The simplified form of the expression 15x - 12 - 4x + 3x + 13 is 14x+1. Option A
To simplify the expression 15x - 12 - 4x + 3x + 13, we can combine like terms. Like terms are those that have the same variable and exponent.
First, let's combine the x terms:
15x - 4x + 3x = (15 - 4 + 3)x = 14x
Next, let's combine the constant terms:
-12 + 13 = 1
Putting it all together, the simplified form of the expression is:
14x + 1
Therefore, the correct answer is "14x + 1."
To simplify the expression, we added the coefficients of the x terms (15, -4, 3) to get 14x. Then, we added the constant terms (-12, 13) to get 1. This final expression, 14x + 1, does not have any like terms that can be combined further, so it is considered simplified.
It's important to note that when simplifying expressions, we group like terms together and perform the indicated operations, such as addition or subtraction. By doing so, we reduce the expression to its simplest form, where no further combining of like terms is possible.
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Cuantos metros recorre un motociclista que va a 50Km/h en 3 horas
The height h(x), of an object is given by the function h(x) = -16x + 176x + 65
where x is time in seconds and h(x) is height in feet. When does the object reach its maximum height? Round your answer to two decimal places.
To find an object's maximum height, we need to find the vertex of this quadratic equation.
Answer: 5.50 seconds
Terms to know:
Quadratic function: A quadratic function is a polynomial function of degree 2, which means the highest power of the variable in the equation is 2.
Vertex: The vertex of a quadratic function is the point on the graph where the function reaches its highest or lowest point. In the case of a quadratic function in the form f(x) = ax^2 + bx + c, the vertex is given by the coordinates (x, f(x)).
Step-by-step explanation:
The vertex of a quadratic equation can be represented as [tex](\frac{-b}{2a}, f(\frac{-b}{2a})[/tex]
Since we only are looking at the time it takes to reach maximum height we will only look at the x value.
[tex]x= \frac{-176}{2(-16)}[/tex]
[tex]x= 5.50[/tex]
the month net salary rate of a married secondary level teacher of 4 grade is Rs 43,689. s/he gets Rs 1,456 for one grade , Rs 2,000 for dearness allowance in every month and one month salary for festival allowance at once. 10% of his/her monthly salary is deposited in employee's provident fund (EPF), 10% in citizen investment fund (CIF) and Rs 400 in life insurance in each month. the government deposits the same EPF and insurance premium amounts in the related offices
1) find his/her assessable income
2) find his/her total income tax
Answer:
Step-by-step explanation:
The Chief Secretary's total monthly salary, including basic salary, dearness allowance, and festival allowance, is Rs 1,50,000.
We have,
The monthly basic salary of the married Chief Secretary of Nepal Government is given as Rs 74,000.
This is the fixed amount he receives as his base salary every month, before any additional allowances or deductions are considered.
Now,
In this case, the dearness allowance of Rs 2,000 is added to the basic salary.
This allowance is provided to compensate for the rising cost of living and is a fixed amount added to the basic salary.
Additionally, he receives 1 month's basic salary as a festival allowance. Since his monthly basic salary is Rs 74,000, his festival allowance would also be Rs 74,000.
Therefore, his total monthly salary can be calculated as follows:
Basic salary + Dearness allowance + Festival allowance
= Rs 74,000 + Rs 2,000 + Rs 74,000
= Rs 1,50,000
Thus,
The Chief Secretary's total monthly salary, including basic salary, dearness allowance, and festival allowance, is Rs 1,50,000.
An author is writing and illustrating a new book. The gale diagram represent the ratio of area. In cm2 with text to area with illustrations .based on the ratio there 500cm2 of illustrations
The better definition of Intersection is:
OA system that has at least one solution.
O Where lines cross over each other. The lines have a common point.
OA value we can put in place of a variable (such as x) that makes the equation true.
OA system that has no solutions.
Answer:
Where lines cross over each other. The lines have a common point.
Brittany invests $1000 into a savings account with an annual simple interest rate of 3%. Her bank charges no annual fees. How much will Suzy have after 5 years? Show your work.
Answer:
$150
Step-by-step explanation:
Original Savings (Year 0): $1,000
Convert Interest rate into a decimal: 3 / 100 = 0.03
therefore the interest rate is 1.03
How much will be added each year?
$1,000 x 1.03 = $1,030--> $30this shows that $30 dollars will be added per year, the interest is a simple rate and so it will not increase per year.5 years = $30 x 5 = $150
Final sum: $1,000 x $150 = $1,150
Suzy will have $1,150 in her account at the end of a five year period.
A group of adults were asked how many children they have in their families. The bar graph below shows the number of adults who indicated each number of children. 4+ 3.5+ 3- 2.5 2- 1.5- 1 0.5- 0 1 2 Number of Children How many adults were questioned? m St 4 5 What percentage of the adults questioned had 2 children? Round answer to 1 decimal place. %
Answer:
Step-by-step explanation:
To determine the percentage of adults who had 2 children, we need to first find the total number of adults questioned.
Looking at the bar graph, we can see that the bar representing 2 children has a height of 2.5. This means that 2.5 adults indicated having 2 children.
Let's assume the total number of adults questioned is "m". According to the bar graph, the sum of the heights of all the bars represents the total number of adults questioned.
From the bar graph, we can see the following:
The bar representing 4+ children has a height of 4.
The bar representing 3- children has a height of 3.5.
The bar representing 2- children has a height of 2.5.
The bar representing 1- children has a height of 1.5.
The bar representing 1 child has a height of 1.
The bar representing 0.5- children has a height of 0.5.
The bar representing 0 children has a height of 0.
To find the total number of adults questioned (m), we sum up the heights of all the bars:
m = 4 + 3.5 + 3 + 2.5 + 2 + 1.5 + 1 + 0.5 + 0
m = 18
Therefore, the total number of adults questioned is 18.
To find the percentage of adults who had 2 children, we divide the number of adults with 2 children (2.5) by the total number of adults questioned (18) and multiply by 100:
Percentage = (2.5 / 18) * 100
Percentage ≈ 13.9 (rounded to 1 decimal place)
Therefore, approximately 13.9% of the adults questioned had 2 children.
4 litres of paint has a mass of 7.88 kg. Calculate the density of the paint, in kg/litre. Give your answer to 2 d.p.
The density of the paint is 1.97 kg/liter.
To calculate the density of a substance, we use the formula:
Density = Mass / Volume
In this case, we are given that 4 liters of paint has a mass of 7.88 kg.
To find the density of the paint, we divide the mass by the volume.
Density = 7.88 kg / 4 liters
Performing the calculation:
Density = 1.97 kg/liter
Therefore, the density of the paint is 1.97 kg/liter.
Density is a measure of how much mass is contained in a given volume. In this case, the density tells us that for every liter of paint, there is an average mass of 1.97 kilograms.
This value is rounded to two decimal places as per the instructions.
Understanding the density of a substance is important in various fields such as physics, chemistry, and engineering.
It provides valuable information about the compactness and weight of a material.
For example, knowing the density of a liquid like paint is essential in determining how it will behave when poured, how much space it will occupy, and how much it will weigh.
Additionally, density plays a role in calculations involving buoyancy and fluid dynamics.
In conclusion, the density of the paint is calculated to be 1.97 kg/liter. This information helps us understand the relationship between the mass and volume of the paint and provides insights into its physical properties.
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The table displays the scores of students on a recent exam. Find the mean of the
scores to the nearest 10th.
Score Number of Students
70
6
75
80
85
90
95
3
9
5
7
8
2
A marketing firm conducts a survey to determine the ages of their survey subjects who like a new health drink.
This is the resulting data from their survey:
49, 63, 78, 22, 41, 39, 75, 61, 63, 65,
58. 37. 45, 52, 81, 75, 78, 72, 68, 59,
72, 85, 63, 61, 75, 39, 41, 48, 59,55
61, 25, 61, 52, 58, 71, 75, 82, 49, 51
The mean age of the subjects who like the new health drink is (type your answer...)
and the median age of the subjects is (type your answer..)
Answer:
Mean = 59.1, Median = 61
(there might have been a mistake in calculation (a lot of numbers!))
Step-by-step explanation:
The sample size is 40,
Now, the formula for the mean is,
Mean = (sum of the sample values)/(sample size)
so we get,
[tex]Mean = (49+63+78+22+41+39+75+61+63+65+58+37+45+52+81+75+78+72+68+59+72+85+63+61+75+39+41+48+59+55+61+25+61+52+58+71+75+82+49+51)/40\\Mean = 2364/40\\Mean = 59.1[/tex]
To find the median, we have to sort the list in ascending (or descending)order,
we get the list,
22,25,37,39,39,41,41,45,48,49,
49,51,52, 52,55,58, 58, 59, 59, 61,
61, 61, 61, 63, 63, 63, 65, 68, 71, 72,
72, 75, 75, 75, 75, 78, 78, 81, 82, 85
Now, we have to find the median,
since there are 40 values, we divide by 2 to get, 40/2 = 20
now, to find the median, we takethe average of the values above and below this value,
[tex]Median = ((n/2+1)th \ value + (n/2)th \ value )/2\\where, \ the\ (n/2)th \ value \ is,\\n/2 = (total \ number \ of \ samples) /2\\n/2=40/2\\(n/2)th = 20\\Hence\ the (n/2)th \ value \ is \ the \ 20th \ value[/tex]
And the (n+1)th value is the 21st value
Now,
The ((n/2)+1)th value is 61 and the nth value is 61, so the median is,
Median = (61+61)/2
Median = 61
The following is a list of shoe sizes for a group of 13 people.
4.5, 9.5, 8, 6.5, 10, 7, 8.5, 6, 7.5, 9, 6, 7, 11
Which of the following box plots best represents the numerical data?
A box plot using a number line from 3 to 12.25 with tick marks every one-fourth unit. The box extends from 6.25 to 9.25 on the number line. A line in the box is at 7.5. The lines outside the box end at 4.5 and 11. The graph is titled Shoe Sizes, and the line is labeled Size of Shoe.
A box plot using a number line from 3 to 11.25 with tick marks every one-fourth unit. The box extends from 6.25 to 8.75 on the number line. A line in the box is at 7.25. The lines outside the box end at 4.5 and 10. The graph is titled Shoe Sizes, and the line is labeled Size of Shoe.
A box plot using a number line from 3 to 13 with tick marks every one-half unit. The box extends from 6.5 to 9 on the number line. A line in the box is at 7.5. The lines outside the box end at 4.5 and 12. The graph is titled Shoe Sizes, and the line is labeled Size of Shoe.
A box plot using a number line from 3 to 12.5 with tick marks every one-fourth unit. The box extends from 6.25 to 8.75 on the number line. A line in the box is at 7.5. The lines outside the box end at 4.5 and 10.5. The graph is titled Shoe Sizes, and the line is labeled Size of Shoe.
The box plot that best represents the numerical data is: A. A box plot using a number line from 3 to 12.25 with tick marks every one-fourth unit. The box extends from 6.25 to 9.25 on the number line. A line in the box is at 7.5. The lines outside the box end at 4.5 and 11. The graph is titled Shoe Sizes, and the line is labeled Size of Shoe.
How to complete the five number summary of a data set?In order to determine the five-number summary for the survey, we would arrange the data set in an ascending order:
4.5,6,6,6.5,7,7,7.5,8,8.5,9,9.5,10,11
Based on the information provided about the list of shoe sizes for a group of 13 people, we would use a graphical method (box plot) to determine the five-number summary for the given data set as follows:
Minimum (Min) = 4.5.
First quartile (Q₁) = 6.25.
Median (Med) = 7.5.
Third quartile (Q₃) = 9.25.
Maximum (Max) = 11.
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(Sumita plans to deposit Rs. 21000 in any bank for 3 years. (a) Define compound interest. (b) How much amount will she get at 10% simple interest when she deposits it in a bank N ? Calculate it. (c) How much amount will she get at 9% interest being compounded annually when she deposits it in another bank M?Calculate it. (d) Which bank is better to deposit the sum and how much more amount will she get (e) from the better bank?
Answer:
(Sumita plans to deposit Rs. 21000 in any bank for 3 years. (a) Define compound interest. (b) How much amount will she get at 10% simple interest when she deposits it in a bank N ? Calculate it. (c) How much amount will she get at 9% interest being compounded annually when she deposits it in another bank M?Calculate it. (d) Which bank is better to deposit the sum and how much more amount will she get (e) from the bet
(a) Compound interest is the interest earned on both the initial principal amount and any accumulated interest from previous periods. Unlike simple interest, which is calculated only on the principal amount, compound interest takes into account the interest that has been added to the principal over time.
(b) To calculate the amount Sumita will get at 10% simple interest when she deposits Rs. 21,000 in bank N for 3 years, we can use the formula for simple interest:
Simple Interest = (Principal * Rate * Time) / 100
In this case:
Principal (P) = Rs. 21,000
Rate of interest (R) = 10%
Time (T) = 3 years
Simple Interest = (21,000 * 10 * 3) / 100
Simple Interest = 6,300
Amount = Principal + Simple Interest
Amount = 21,000 + 6,300
Amount = Rs. 27,300
Therefore, Sumita will get Rs. 27,300 at 10% simple interest when she deposits it in bank N.
(c) To calculate the amount Sumita will get at 9% interest compounded annually when she deposits Rs. 21,000 in bank M for 3 years, we can use the formula for compound interest:
Compound Interest = Principal * [(1 + Rate/100) ^ Time] - Principal
In this case:
Principal (P) = Rs. 21,000
Rate of interest (R) = 9%
Time (T) = 3 years
Compound Interest = 21,000 * [(1 + 9/100) ^ 3] - 21,000
Calculating the compound interest:
Compound Interest = 21,000 * (1.09^3) - 21,000
Compound Interest ≈ 21,000 * 1.29503 - 21,000
Compound Interest ≈ 27,139.63 - 21,000
Compound Interest ≈ Rs. 6,139.63
Amount = Principal + Compound Interest
Amount = 21,000 + 6,139.63
Amount ≈ Rs. 27,139.63
Therefore, Sumita will get approximately Rs. 27,139.63 at 9% interest compounded annually when she deposits it in bank M.
(d) To determine which bank is better to deposit the sum, we compare the amounts received in bank N (simple interest) and bank M (compound interest).
In bank N, Sumita will receive Rs. 27,300, while in bank M, she will receive approximately Rs. 27,139.63.
Comparing the amounts, we can see that Sumita will get a slightly higher amount in bank N.
(e) The amount she will get from the better bank (bank N) is Rs. 27,300 - Rs. 27,139.63 = Rs. 160.37 more than bank M.
Step-by-step explanation:
hope it help
Find the length of KL.
Answer:
KL = 6
Step-by-step explanation:
We see that the length of IL includes IJ, JK, and Kl and is 26.
Since IL = 26 and IJ + JK + KL = IL, we can subtract the sum of the lengths of IJ and Jk from IL to find KL:
IL = IJ + JK + KL
26 = 9 + 11 + KL
26 = 20 + KL
6 = KL
Thus, the length of KL is 6.
We can confirm this fact by plugging in 6 for KL and checking that we get 26 on both sides of the equation when simplifying:
IL = IJ + JK + KL
26 = 9 + 11 + 6
26 = 20 + 6
26 = 26
Thus, our answer is correct.
please answer ASAP I will brainlist
(a) The average cost in 2010 is $2088.82.
(b) A graph of the function g for the period 2006 to 2015 is: D. graph D.
(c) Assuming that the graph remains accurate, its shape suggest that: B. the average cost increases at a slower rate as time goes on.
How to estimate the average cost in 2011?Based on the information provided, we can logically deduce that the average annual cost (in dollars) for health insurance in this country can be approximately represented by the following function:
g(x) = -1736.7 + 1661.4lnx
where:
x = 6 corresponds to the year 2006.
For the year 2011, the average cost (in dollars) is given by;
x = (2010 - 2006) + 6
x = 4 + 6
x = 10 years.
Next, we would substitute 10 for x in the function:
g(10) = -1736.7 + 1661.4ln(10)
g(10) = $2088.82
Part b.
In order to plot the graph of this function, we would make use of an online graphing tool. Additionally, the years would be plotted on the x-axis while the average annual cost would be plotted on the x-axis of the cartesian coordinate as shown below.
Part c.
Assuming the graph remains accurate, the shape of the graph suggest that the average cost of health insurance increases at a slower rate as time goes on.
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25 shaded squares 13 used what percentage used
Answer:
52% used.
Step-by-step explanation:
13/25=52/100=52%
please answer i am stuck
The correct answer choice is: A. The system has exactly one solution. The solution is (13, 5).
The correct answer choice is: A. all three countries had the same population of 5 thousand in the year 2013.
How to solve this system of equations and interpret the answer?Based on the information provided above, the population (y) in the year (x) of the counties listed are approximated by the following system of equations:
-x + 20y = 87
-x + 10y = 37
y = 5
where:
y is in thousands.x = 10 corresponds to 2010.By solving the system of equations simultaneously, we have the following solution:
-x + 20(5) = 87
x = 100 - 87
x = 13
-x + 10(5) = 37
x = 50 - 37
x = 13
Therefore, the system of equations has only one solution (13, 5).
For the year when the population are all the same for three countries, we have:
x = 2010 + (13 - 10)
x = 2013
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Here are ten numbers:
3 7 2 4 7 5 7 18 8
a) Write down the mode.
b) Work out the median.
c) Calculate the mean.
d) What is the range?
Step-by-step explanation:
a) The mode is 7, because it appears three times, which is more than any other number in the list.
b) To find the median, we need to arrange the numbers in order from smallest to largest:
2 3 4 5 7 7 7 8 18
The median is the middle number, which in this case is 7, since there are an equal number of values on either side of it.
c) To calculate the mean, we add up all the numbers and then divide by the total number of values:
(3 + 7 + 2 + 4 + 7 + 5 + 7 + 18 + 8) / 9 = 61 / 9 ≈ 6.78
So the mean is approximately 6.78.
d) The range is the difference between the largest and smallest numbers in the list:
18 - 2 = 16
So the range is 16.
Answer:
The numbers are 9 in total
Step-by-step explanation:
a) Mode 7
7 is the most occuring number.
b) Rearrange the numbers to find median
2, 3, 4, 5, 7, 7, 7, 8, 18
median=7
middle number is the median
c) Mean=2+3+4+5+7+7+7+8+18/9
mean=6.7
d) Range= Highest number - lowest number
18-2=16
I hope this helps a lot!
GEOMETRY 40POINTS
TY
Answer:
It's 7.81
Step-by-step explanation:
Ahmed has five more CDs than one-half the number of CDs Julia has. In this situation, what does One-halfc+ 5 represent?
the number of CDs Ahmed has
the number of CDs Julia has
the number of CDs Ahmed has more than Julia
the number of CDs Ahmed and Julia have altogether
The number of CDs Ahmed has: The expression (1/2) * c + 5 represents the number of CDs Ahmed has, as we derived earlier. Therefore, this option is correct. Option A
According to the given information, Ahmed has five more CDs than one-half the number of CDs Julia has. One-half of the number of CDs Julia has can be represented as (1/2) * c. Ahmed has five more CDs than this value, so we can express the number of CDs Ahmed has as:
Ahmed's CDs = (1/2) * c + 5
Now, let's analyze the options provided:
A. The number of CDs Ahmed has:
The expression (1/2) * c + 5 represents the number of CDs Ahmed has, as we derived earlier. Therefore, this option is correct.
B. The number of CDs Julia has:
The expression (1/2) * c + 5 does not directly represent the number of CDs Julia has. It represents the number of CDs Ahmed has. Therefore, this option is incorrect.
C. The number of CDs Ahmed has more than Julia:
This option is incorrect because the expression (1/2) * c + 5 represents the absolute number of CDs Ahmed has, not the difference between the number of CDs Ahmed and Julia have.
D. The number of CDs Ahmed and Julia have altogether:
The expression (1/2) * c + 5 represents only the number of CDs Ahmed has. It does not include Julia's CDs. Therefore, this option is incorrect.
In conclusion, the expression (1/2) * c + 5 represents the number of CDs Ahmed has.
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f(x)= [tex]\frac{5x-5}{x^{2} -7x+6}[/tex]
Answer:
f(x)=5/(x-6)
Step-by-step explanation:
f(x)=(5x-5)/(x^2-7x+6)
f(x)=[5(x-1)]/[(x-1)(x-6)]
f(x)=5/(x-6)
Find the area of the region bounded by the graphs of f(x) = x^3 + x^2 - 6x and g(x) = 2x - x^2
The area of the region bounded by the graphs of [tex]f(x) = x^3 + x^2 - 6x[/tex] and [tex]g(x) = 2x - x^2[/tex] is 69 1/3 square units.
To find the area of the region bounded by the graphs of the functions [tex]f(x) = x^3 + x^2 - 6x[/tex] and [tex]g(x) = 2x - x^2[/tex], we need to determine the points of intersection and evaluate the definite integral.
First, let's find the points of intersection by setting f(x) equal to g(x):
[tex]x^3 + x^2 - 6x = 2x - x^2[/tex]
Rearranging the equation, we get:
[tex]x^3 + 2x^2 - 8x = 0[/tex]
Factoring out an x, we have:
[tex]x(x^2 + 2x - 8) = 0[/tex]
Using the quadratic formula, we find the solutions for [tex]x^2 + 2x - 8 = 0[/tex] to be x = -4 and x = 2. Therefore, the points of intersection are (-4, -16) and (2, 4).
To calculate the area, we integrate the difference of the two functions within the bounds of -4 to 2:
Area = ∫[from -4 to 2] (f(x) - g(x)) dx
Evaluating the definite integral, we have:
Area = ∫[-4 to 2] [(x^3 + x^2 - 6x) - (2x - x^2)] dx
= ∫[-4 to 2] (x^3 + 2x^2 - 8x) dx
Integrating each term and evaluating the integral, we find:
Area = [1/4x^4 + 2/3x^3 - 4x^2] from -4 to 2
= [(1/4)(2)^4 + (2/3)(2)^3 - 4(2)^2] - [(1/4)(-4)^4 + (2/3)(-4)^3 - 4(-4)^2]
= [4/4 + 16/3 - 16] - [16/4 + (-128/3) - 64]
= 1/3 + 128/3 - 16 + 4 - 128/3 + 64
= 1/3 + 4 + 64
= 69 1/3
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The table represents a logarithmic function f(x).
1 over 125 −3
1 over 25 −2
one fifth −1
1 0
5 1
25 2
125 3
Use the description and table to graph the function, and determine the domain and range of f(x). Represent the domain and range with inequality notation, interval notation, or set-builder notation. Explain your reasoning.
The graph of the logarithmic function f(x) exhibits an increasing trend as x approaches positive infinity, while it approaches negative infinity as x approaches negative infinity. The domain is (0, +∞), and the range is (-∞, +∞).
To graph the given logarithmic function f(x), we can use the information provided in the table. The table gives us various values of x and their corresponding values of f(x). We can plot these points on a graph and connect them to visualize the function.
The table shows the following points: (1, 125), (-3, 1/25), (-2, 1/5), (-1, -1), (0, 5), (1, 125), (2, 2125), and (3, 3).
When we graph these points, we observe that the function starts at (-3, 1/25) and approaches positive infinity as x approaches positive infinity. Similarly, as x approaches negative infinity, the function approaches negative infinity.
From the graph, we can determine the domain and range of the function:
Domain: The domain of a logarithmic function is all real numbers greater than 0. In this case, since the function is defined for x = 1/5 and x = 3, the domain can be expressed as x ∈ (0, +∞).
Range: The range of a logarithmic function is all real numbers. In this case, the function takes values ranging from negative infinity to positive infinity. Therefore, the range can be expressed as f(x) ∈ (-∞, +∞).
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Given that p(x)=2(5−x)2+1 , what is the value of p(-4)? Responses
Answer:
37
Step-by-step explanation:
x=-4
=2(5-(-4)2+1
=2(5+4)2+1
=2(9)2+1
=18(2)+1
=36+1
=37
The length of a rectangle is 4 ft longer than its width. If the perimeter of the rectangle is 32 ft, find its area.
To find the area of a rectangle, we need to know its length and width. Let's solve the problem step by step:
Let's assume that the width of the rectangle is represented by "w" (in feet).
According to the given information, the length of the rectangle is 4 feet longer than its width, which means the length can be represented as "w + 4" (in feet).
The perimeter of a rectangle is calculated by adding up all the sides. In this case, the perimeter is given as 32 feet.
Since a rectangle has two pairs of equal sides (length and width), we can express the perimeter equation as the following:
2(length + width) = perimeter
Substituting the values into the equation, we get:
2(w + (w + 4)) = 32
Simplifying the equation, we have:
2(2w + 4) = 32
4w + 8 = 32
4w = 24
w = 6
Now we know that the width of the rectangle is 6 feet. To find the length, we can substitute this value back into the equation for the length:
Length = w + 4 = 6 + 4 = 10 feet
The width is 6 feet, and the length is 10 feet. Now we can calculate the area of the rectangle:
Area = Length × Width = 10 × 6 = 60 square feet
Answer: The area of the rectangle is 60 square feet.
The function V(r)=¹ can be used to find the volume of air inside a basketball given its radius. What does V(r)
represent?
the radius of the basketball when the volume is V
the volume of the basketball when the radius is r
the volume of the basketball when the radius is V
the radius of the basketball when the volume is r
OOO
Answer:
In the given equation, V(r) represents the volume of the air inside a basketball when the radius of the basketball is r.
Step-by-step explanation:
The function V(r) represents the volume of the basketball when the radius is r. So, the correct interpretation is that V(r) represents "the volume of the basketball when the radius is r."
The circle below is centered at the origin and has radius of 8. what is the equation ?
Step-by-step explanation:
h,k center is 0,0 and radius is 8
(x-0)^2 + ( y-0)^2 = 8^2
x^2 + y^2 = 64
IM NOT SURE, DO YOU WANT ME TO WORK IT OUT FOR YOU?
HELP PLEASEEE!!
Drake predicted that he would be able to make 16 more pancakes with the remainder of his mix. however, he only made 10 pancakes. What was Drake's percent error?
Answer:
60%
Step-by-step explanation:
To find percent error, use the following equation:
Percent error = [tex]\frac{prediction-actual}{actual}[/tex]×100
=[tex]\frac{16-10}{10}[/tex]
=[tex]\frac{6}{10}[/tex]×100
=0.6×100
Drake's percent error is 60%.
What type of association does the following scatter plot represent?
Graph shows 0 to 10 on x and y axes at increments of 1. Dots are made at the ordered pairs 0, 10 and 1, 9 and 2,8 and 3,7 and 4,6 and 5,5 and 6,4.5 and 7,4 and 8,3.8 and 9,3.8 and 10,3.8
Positive linear association
Negative linear association
Positive nonlinear association
Negative nonlinear association
The data points form a straight line, suggesting a negative linear association.
Based on the given scatter plot, the association can be described as a negative linear association. A linear association refers to a relationship between two variables where the data points tend to cluster around a straight line. In this case, as the x-values increase, the corresponding y-values consistently decrease.
The scatter plot displays a clear negative slope, indicating that as the x-values increase, the y-values decrease in a linear fashion. This pattern suggests an inverse relationship between the two variables: as one variable increases, the other decreases proportionally.
The dots are arranged in a downward trend, with a clear linear pattern. This is characteristic of a negative linear association. The relationship between the variables can be described by a negative slope or a negative correlation coefficient.
It's worth noting that the scatter plot does not exhibit any curvature or nonlinear patterns. If there were a curvature present, indicating a non-linear relationship, it could be further classified as either positive or negative based on the direction of the curve.
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Complex fractions level 4
By algebra properties, the simplified form of the complex fraction is - (x - 4) / [120 · (x - 1)].
How to simplify a complex fraction
In this problem we find the case of a complex fraction that must be simplified by algebra properties. A simple fraction must be found. First, write the entire expression:
[1 / (3 · x² - 3)] / [5 / (x + 1) - (x + 4) / (x² - 3 · x - 4)]
Second, factor the parts of the fraction:
[1 / [3 · (x - 1) · (x +1)]] / [5 / (x + 1) - (x + 4) / [(x - 4) · (x + 1)]]
[1 / [3 · (x - 1) · (x +1)]] / [[5 · (x - 4) - (x + 4)] / [(x - 4) · (x + 1)]]
Third, eliminate the rational fraction:
[(x - 4) · (x + 1)] / [- 120 · (x - 1) · (x + 1)]
Fourth, eliminate common binomials:
- (x - 4) / [120 · (x - 1)]
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Help I’m lost somebody please help me
Answer:
l
Step-by-step explanation: