Answer: use math.......way
Step-by-step explanation
#5 Test question 7th grade math
Answer:
0.85p and p - 0.15p are right
pls help asap no trolls!!
Answer:
The answer to this is SAS
what is the final cost of a book priced at $10.00 with a tax rate of 5%?
Answer:
10.50
Step-by-step explanation:
5% of 10 is 0.5
0.5+10=10.50
Answer:
The answer is $10.50
Step-by-step explanation:
5% of $10 is 50cents so you add .50 to 10 and get $10.50
4/5+5/50
helllppppp pleaseeee
Answer:
9/10
Step-by-step explanation:
you can only add fractions when the denominator is the same, so u either have to multiply or divide a fraction. In this case, we'll multiply 4/5 with 10/10 so that the denominator will be the same as 5/50, and so that the value, 4/5(10/10), would still equal 4/5
4/5(10/10) + 5/50
40/50 + 5/50
45/50
simplify it
9/10
The random variable KK has a geometric distribution with mean 16. Which of the following is closest to the standard deviation of random variable KK ?
A. 0.0625
B. 0.9375
C. 4
D. 15.49
E. 240
Answer:
E 240
Step-by-step explanation:
Geometric Distribution mean = (1- p) / p
16 = (1 - p) / p
16p = 1 - p ; 17p = 1 ; p = 1/17 = 0.058
Standard Deviation = (1 - p) / p^2
= (1 - 0.058) / (0.058)^2
0.942 / 0.003364
= 280 , closest to 240
Jessica is selling books during the summer to earn money for college. She
earns a commission on each sale but has to pay for her own expenses.
After a month of driving from neighborhood to neighborhood and walking
door-to-door, she figures out that her weekly earnings are approximately a
linear function of the number of doors she knocks on.
She writes the equation of the function like this: E() = 10x- 35, where xis the
number of doors she knocks on during the week and E(x) is her earnings for
the week in dollars.
What does the slope of Jessica's function represent?
Answer:
A you can check it by substituting values into x like 5 and 6 then compare the E(X) value
The solution is :
The slope represents the rate of change of earnings in a week for every unitary change in number of doors knocked. For Jessica's function, her earnings change by +7 units for every unit of door she knocks.
What is slope?In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).
here, we have,
The slope of any linear function tells us the rate of increase in Y given 1 unit increase in X
[note the equation as y = mx+b ].
Here, m is the slope.
Jessica's weekly earning function is:
E(x) = 7x - 25
Where,
E(x) is her weekly earnings
x is the number of doors she knocks
So, when comparing this to the meaning of slope stated above, we can say that the slope of Jessica's function represents the rate of change of earnings in a week for every unitary change in number of doors knocked.
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What is the sum of the fractions? Use the nurnber line and equivalert fractions to help find the answer.
o-1
o
Answer:
-3/4
Step-by-step explanation:
-5/4 + 2/4 = -3/4
Hope this helps :)
Find the distance from point A(15,−21) to the line 5x+2y = 4. Round your answer to the nearest tenth.
Answer:
5.8
Step-by-step explanation:
If done on graph, just subtract x value of point A with x value of the line when its y value is -21.
If done algebraic, then plug in -21 into the y value for 5x+2y=4, then take the answer to x value (in our case 9.2) and subtract that from 15.
A student wants to find point C on the directed line segment from A to B on a number line such that the segment is partitioned in a ratio of 3:4. Point A is at –6 and point B is at 2. The student’s work is shown.
C = (three-fourths) (2 minus (negative 6)) + (negative 6)
C = (three-fourths) (8) minus 6
C = 6 minus 6
C = 0
Analyze the student’s work. Is the answer correct? Explain.
No, the student should have added 3 + 4 to get the total number of sections, and used the fraction Three-sevenths instead of Three-fourths.
No, the student should have subtracted 2 from –6 to find the distance.
No, the student should have added 2 at the end to add to the starting point.
Yes, the student’s answer is correct
Answer:
Answer is A
Step-by-step explanation:
Took on Edge 2020
The student should have added 3 + 4 to get the total number of sections, and used the fraction three-sevenths instead of three-fourths.
Given the segment partitioned in a ratio of 3:4, the total ratio is expressed as:
Total = 3 + 4 = 7If point C is on the line segment AB, hence the point C on the line will be expressed as:
[tex]C = \frac{3}{3+4} \cdot (2-(-6)+(-6))\\C= \frac{3}{7} \cdot (2+6-6)\\C= \frac{3}{7} \cdot (8-6)\\C=\frac{3}{7} \=(2)\\C=\frac{6}{7}[/tex]
Based on the calculation, we can conclude that the student's answer is incorrect. The student should have added 3 + 4 to get the total number of sections and used the fraction three-sevenths instead of three-fourths
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Instructed to give 300mg the medication is supplied 200mg 5 ml how much do you give
Answer:
200mg is in 5 ml. So how much is in 1 ml? 200÷5=40mg per ml. 300÷40=7.5ml
Don't steal points
its not cool
i WILL report
and also
answer this and u could have a chance to get brainliest
ill be asking 10 questions
whoever has the best answer in any of these ill give brainliest :D
Answer:
1, 2, 3
Step-by-step explanation:
Solve the inequality for n.
Divide both sides by 4.
4n < 16
4n/4 < 16/4
n < 4
Any number less than 4 is a solution. Now we look at the numbers in the set.
The numbers 1, 2, 3 are solutions.
On Sunday the temperature was 52 degrees and on Tuesday it was -10 degrees. What was the difference in temperature from Sunday to Tuesday?
Answer:
62Step-by-step explanation:
The answer is 62.
Here's an example.
52 - ( -10 ) = 62
So, the difference in temperature from Sunday to Tuesday is 62.
Just to let you know.
( -10 ) - 52 = -62 ( This is not the answer )
Remember that 62 is the answer.
Hope this helps! <3
Help me out please I’m kinda struggling with this
Answer:
Think of a =1 and b=3
All three choices are false
Step-by-step explanation:
Answer:
Step-by-step explanation:
a is less than b in all the cases... if a or b were below zero... it might make a difference.. but b/c they are both positive.. the abs signs make no difference
all the answers are false
need the answer thanks!
Answer:
The sum does not exist, but if you are in a senior math class, it could be - infinity.
Step-by-step explanation:
If the sum does not have an endpoint (and it looks like it does not), then the sum really does not exist.
Consider this question.
Does the sum stop at 0 as in
50 + 40 + 32 + 24 + 16 + 8 + 0
But why not - 8 or - 16 or ...
So it is not that the sum does not exit. It is that we do not know where that stop is. Depending on your grade level, you could answer - infinity, but I doubt that is the expected answer.
Identify the expressions for which limits exist.
The first and last expressions are identified as a limit that exists.
What is a limit?'In Mathematics, a limit is defined as a value that a function approaches the output for the given input values.'
According to the given problem,
For expression 1,
[tex]\lim_{n \to4}\frac{x^{2}-x-12 }{2-x}[/tex]
⇒ [tex]\lim_{n \to4} \frac{x^{2}-4x+3x-12 }{4-x}[/tex]
⇒ [tex]\lim_{n \to4}\frac{-x(4-x)-3(4-x)}{4-x}[/tex]
⇒ [tex]\lim_{n \to4}\frac{(4-x)(-x-3)}{4-x}[/tex]
⇒ [tex]\lim_{n \to4 }(-x-3)[/tex]
Now, we put the value of x as 4
⇒ - 4 - 3
= -7
Therefore, the limit exists.
For the last expression,
[tex]\lim_{x \to 2} \frac{x^{2}+3x-10 }{x^{2} -4}[/tex]
⇒ [tex]\lim_{x \to 2} \frac{x^{2}+5x - 2x-10 }{(x+4)(x-4)}[/tex]
⇒ [tex]\lim_{x \to2} \frac{x(x+5) -2(x+5)}{(x+4)(x-4)}[/tex]
⇒ [tex]\lim_{n \to 2} \frac{(x+5)(x-2)}{(x+4)(x-4)}[/tex]
Now, putting the value of x = 2 in the expression,
⇒ (2+5)(2-2) / (2+4)(2-4)
⇒ 7*0 / 6*(-2)
= 0
Therefore, the limit exists.
For the other expressions, we cannot factorize the numerator or the denominator to cancel out the denominator because of which if we put the values of x directly into the denominator without cancelling it out, the denominator would be zero, which means infinity because zero in the denominator of a fraction means infinity or undefined or does not exist.
Hence, we can conclude that expressions 1 and 6 are limits that exist.
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6. 1350 = 5 = find the quotient
Answer:
this question is of high school or collage
a mail courtier charges a base fee of $6.95 plus $9.50 per package being delievered. If x represents the number of packages delievered, which of the following equations could be used to find y, the total cost of mailing packages?
The hourly wages of a sample of 130 system analysts are given below.
mean=90
mode= 103
median =104
range =18
variance= 729
Find the coefficient of variation.
a. 0.30%
b. 30%
c. 8.1%
d. 81%
Answer: b. 30%
Step-by-step explanation:
A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.i.e. [tex]CV=\dfrac{\sigma}{\mu}[/tex]
Given: mean = [tex]\mu=90[/tex]
Variance = [tex]\sigma^2 = 729[/tex]
[tex]\sigma=\sqrt{729}=27[/tex]
Now, [tex]CV=\dfrac{27}{90}=0.3[/tex]
in percent , [tex]CV= 0.3\times100\%= 30\%[/tex]
Hence, correct option is b. 30%.
Based on the information given the coefficient of variation is b. 30%.
Coefficient of variationUsing this formula
Coefficient of variation=√Variance/Mean
Let plug in the formula
Coefficient of variation=√729/90
Coefficient of variation=27/90
Coefficient of variation=0.3×100
Coefficient of variation=30%
Inconclusion the coefficient of variation is b. 30%.
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A right triangle with a leg 3mi and hypotenuse 5mi
Ben, Mingli and Samy shared $180. Ben received $45, Mingli received $63 and Samy received the rest. What percentage of the money did
Samy receive?
Barry's deck of cards contains 40 blue cards and 70 red cards Max deck of cards contains the same number of blue cards but the ratio of blue cards to red cards is not 8.9 how many total cards does Max deck of cards contain
Answer:
95
Step-by-step explanation:
If the ratio is
8 : 9
and you know that there are 40 blue cards, than multiply the ratio by 5
8 ⋅ 5 : 9 ⋅ 5
40 : 45
If Max has 40 blue cards, he will have 45 red cards. Therefore, he has 40 + 45 = 95 cards in total.
1 + 4.25n + 32p – 3 + (–2p) + 54n=
Answer:
58.25n+30p-2
Step-by-step explanation:
Answer: I got 233n + 120p - 8
———————————————
4
Step-by-step explanation:
The equation y = 10x describes the amount of money Serena earns, where x is the number of hours she works and y is the amount of money she earns.
The table shows the amount of money Christine earns for different numbers of hours
worked.
Christine's Earnings
Time (h):
3 5 8 10
Money earned:
60 100 160 200
(a) How much money does Christine earn per hour? Show your work.
(b) Who earns more per hour? Justify your answer.
(c) Draw a graph that represents Christine's earnings over time in hours. Remember
to label the axes.
I WILL GIVE BRAINLIEST IF THEY ARE CORRECT AND ALL ANSWERS WERE ANSWERED!!!
Answer : Answer:
a) $10 per hour
b) Sandra
Step-by-step explanation: he equation y 10x describes the amount of money Sandra earns, where x is the number of hours she works and y is the amount of money she earns
The table shows the amount of money Susan cams for different numbers of hours worked
Susan's Earnings
Time (h) Money Earned
5 40
8 64
10 80
(a) How much money does Sandra eam per hour? Show your work
(b) Who earns more per hour? Justify your answer
Answer:
a)
y = 10x is sandra's equation. To find her hourly rate, we need to find how much she earns in "1" hour. Since x is hours, we plug in x = 1 and find y (which is her pay).
y = 10x
y = 10(1)
y = 10
$10 is Sandra's hourly rate.
b)
To find who earns more per hour, we need to find the hourly rate of Susan as well from the table. Then compare.
5 hours = $40 so per hour is 40/5 = 8
8 hours is 64, so per hour 64/8 = 8
10 hours is 80, so 80/10 = 8
The table is justified at $8 per hour.
We know Sandra earns $10/hr and Susan earns $8 per hour. So Sandra earns more per hour.
Solve the following system: (5 points)
y = x + 3 4x + y = 18
(6, 3)
(3, 6)
(−3, 6)
(3, −6)
choose the numerical expression that represents multiplying the sum of 159 and 833 by 6
Answer:
(159+833)*6 = 5952
Step-by-step explanation:
(159 + 833) * 6
= 992*6 = 5952
Construct a Stem-and-Leaf Display?
Answer:
Hey mate here's your answer⤵️
A stem and leaf plot is a way to plot data where the data is split into stems (the largest digit) and leaves (the smallest digits). ... The stem and leaf plot is used like a histogram; it allows you to compare data. While a histogram uses bars to represent amounts, the leaves of the stemplot represent amounts.
Hope it was helpfulllTony and Ricky spend a certain amount of money from their accounts each week at a pet shelter.
The table shows the relationship between the amount of money (y) remaining in Tony's account and the number of weeks (x):
Function 1:
Number of Weeks
(x) Amount Remaining (dollars)
(y)
1 30
2 24
3 18
4 12
The equation shows the relationship between the amount of money, y, remaining in Ricky's account and the number of weeks, x:
Function 2:
y = −7x + 30
Which statement states and explains which function shows a greater rate of change?
a. Function 1, because Tony spends $6 each week and Ricky spends −$7 each week
b. Function 2, because Ricky spends $7 each week and Tony spends $6 each week
c. Function 1, because Tony spends $18 each week and Ricky spends $23 each week
d. Function 2, because Ricky spends $30 each week and Tony spends $18 each week
Answer:
No its not a
Step-by-step explanation:
what is the answer because a is not right. I did the quiz and got it wrong
Answer:
it is answer b.
What is corollary to triangle sum theorem?
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles. Triangle Angle-Sum Corollaries: The acute angles of a right triangle are complementary. Corollary: a theorem in which the proof follows directly from another theorem.
Answer:
A corollary to a theorem is a statement that can be proved easily by using the theorem. A useful corollary to the Triangle Sum Theorem involves exterior angles of a triangle. ... The measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.
Find the equation of the line tangent to the graph of
y = sin^-1 (x/5) at x = 5/2. Show your work.
Answer:
[tex]\displaystyle y=\frac{2\sqrt{3}}{15}x+\frac{\pi-2\sqrt{3}}{6}[/tex]
Step-by-step explanation:
We want to find the equation of the line tangent to the graph of:
[tex]\displaystyle y=\sin^{-1}\left(\frac{x}{5}\right)\text{ at } x=\frac{5}{2}[/tex]
So, we will find the derivative of our equation first. Applying the chain rule, we acquire that:
[tex]\displaystyle y^\prime=\frac{1}{\sqrt{1-\left(\dfrac{x}{5}\right)^2}}\cdot\frac{1}{5}[/tex]
Simplify:
[tex]\displaystyle y^\prime=\frac{1}{5\sqrt{1-\dfrac{x^2}{25}}}[/tex]
We can factor out the denominator within the square root:
[tex]\displaystyle y^\prime =\frac{1}{5\sqrt{\dfrac{1}{25}\big(25-x^2)}}[/tex]
Simplify:
[tex]\displaystyle y^\prime=\frac{1}{\sqrt{25-x^2}}[/tex]
So, we can find the slope of the tangent line at x = 5/2. By substitution:
[tex]\displaystyle y^\prime=\frac{1}{\sqrt{25-(5/2)^2}}[/tex]
Evaluate:
[tex]\displaystyle y^\prime=\frac{1}{\sqrt{75/4}}=\frac{1}{\dfrac{5\sqrt{3}}{2}}=\frac{2\sqrt{3}}{15}[/tex]
We will also need the point at x = 5/2. Using our original equation, we acquire that:
[tex]\displaystyle y=\sin^{-1}\left(\frac{1}{2}\right)=\frac{\pi}{6}[/tex]
So, the point is (5/2, π/6).
Finally, by using the point-slope form, we can write:
[tex]\displaystyle y-\frac{\pi}{6}=\frac{2\sqrt{3}}{15}\left(x-\frac{5}{2}\right)[/tex]
Distribute:
[tex]\displaystyle y-\frac{\pi}{6}=\frac{2\sqrt{3}}{15}x+\frac{-\sqrt{3}}{3}[/tex]
Isolate. Hence, our equation is:
[tex]\displaystyle y=\frac{2\sqrt{3}}{15}x+\frac{\pi-2\sqrt{3}}{6}[/tex]
What is this? Please answer with an explanation