what is the area of the circle

Answer:

30

Step-by-step explanation:

2/3 = 20/30

4/5 = 24/30

7/10 = 21/30

Answer: 30

Step-by-step explanation: 2/3 = 20/30, 4/5 = 24/30, 7/10 = 21/30

Answer:

x=11

Step-by-step explanation:

15+5x+5x-7=118 [An exterior angle of a triangle is equal to the sum of the two opposite interior angles]

10x=118-8

x=110/10

x=11

Answer:

-648

Step-by-step explanation:

If that is a negative 72 then it would be -648

If a positive 72, it would be 648.

Hope this helps!

Answer:this is the answer

Answer:

[tex]f^{-1}(x)=3x-6[/tex]

Step-by-step explanation:

Let's replace [tex]f(x)[/tex] with [tex]x[/tex] and replace [tex]x[/tex] with [tex]f^{-1}(x)[/tex] ad solve.

[tex]x=1/3*f^{-1}(x)+2[/tex]

[tex]x-2=1/3*f^{-1}(x)[/tex]

[tex]f^{-1}(x)=3(x-2)[/tex].

[tex]\boxed{f^{-1}(x)=3x-6}[/tex]

Answer:

Step-by-step explanation:

According to the graph, the line goes down in both sections as the value of x increases. It means the function is always decreasing.

Correct answer choice is:

The best describes the function is,

''The function is never increasing.''

A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

Given that;

This graph shows a reciprocal parent function.

Since, We have;

According to the graph, the line goes down in both sections as the value of x increases.

It means the function is always decreasing.

Hence, Correct answer choice is:

C. The function is never increasing.

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Answer:

1 5/8 is equal to 13/8

Step-by-step explanation:

Answer:

negative slope intercept

Step-by-step explanation:

Answer:

What Peter did wrong was that he should have multiplied 275 by 0.08 and 12, not 0.8 and 12. The correct amount of interest he will earn is $264.

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Let the age of Vera be x,

Linda's age = 2x

Tanya's age = (4 × 2x) - 4 = 8x - 4

Total Age = 9x + 2

so, let's Solve for x :

Age of Tanya :

Tanya's age is 20 years.

estimated sum-114, actual sum-112.97

Step-by-step explanation:

76.6-77

25.5-26

10.87-11

77+26+11=114

76.6+25.5+10.87=112.97

Answer:

A quadratic function is a second degree polynomial function. The general form of a quadratic function is this: f (x) = ax2 + bx + c, where a, b, and c are real numbers, and a≠ 0.

Answer:

c

Step-by-step explanation:

Answer:

1.11 s , 10.88 m/s

Step-by-step explanation:

Initial velocity and air resistance = 0

Time to fall : s = 1/2 gt²

6 = 1/2 * 9.8 * t²

t² = 1.224

t = 1.11 s

final velocity = initial velocity + gt

                    = 0 + 9.8 * 1.11

                    = 10.88 m/s

Answer:

28.375 (rounded to 29 grams)

Step-by-step explanation:

there are about 454 grams in a pound and 16 ounces in a pound, so to find the relationship we divide 454 by 16 to get 28.375 or about 29 grams

The equation that can be used to represent the cost paid for the staircase frame is 50 + 2.25x

Based on the information given, let the number of rods be represented by x.

Fixed cost = $50

Variable cost = $2.25 × x = 2.25x

Therefore, the equation to calculate the total cost will be:

= Fixed cost + Variable cost

= 50 + 2.25x

Therefore, the equation to represent the fact that the staircase frame cost $2.25 for each rod plus $50 for shipping and handling is 50 + 2.25x

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Answer:

9,000

5,025

Step-by-step explanation:

Answer:

x^2 - 4/5x - 3/5 = 0

Step-by-step explanation:

5x^2/5 - 4x/5 - 3/5 = 0/5

x^2 - 4/5x - 3/5 = 0

[tex]\\ \sf\longmapsto \dfrac{5x^2-4x-3=0}{5}[/tex]

[tex]\\ \sf\longmapsto \dfrac{5x^2}{5}-\dfrac{4x}{5}-\dfrac{3}{5}=\dfrac{0}{5}[/tex]

[tex]\\ \sf\longmapsto x^2-\dfrac{4}{5}x-\dfrac{3}{5}=0[/tex]

We are done!

Step-by-step explanation:

[tex]3(4 - 2x) = - x + 1 \\ 12 - 6x = - x + 1 \\ 12 - 1 =6x - x \\ 11 = 5x \\ \frac{11}{5} = x \\ 2 \frac{1}{5} = x \\ [/tex]

The solution of the equation is x = 11/5

An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.

The given equation is,

3 (4 - 2x) = -x + 1

We have to solve the equation.

Distributive property states that, for three numbers, a, b and c,

a(b + c) = ab + ac

So, 3 (4 - 2x) = (3 × 4) - (3 × 2x)

                     = 12 - 6x

Substituting,

3 (4 - 2x) = -x + 1

12 - 6x = -x + 1

-6x + x = 1 - 12

-5x = -11

x = 11/5

Hence the solution is x = 11/5.

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Answer:

The unit cost is 25 cents for 1 oz of cereal, because 4/16 = 1/4, convert to cents.

Hope this helps and have a nice day:)

Step-by-step explanation:

Answer:

Your answer should be the 3rd one.

Step-by-step explanation:

Answer:

U

Step-by-step explanation:

FINE ASHAlways include the steps and/or background required to get to the final answer. Let’s help other people understand and solve future problems on their own.

(6, 8). Substitute the numbers in for x and y and then solve the equation. The coordinates are (x, y).

Answer:

(6,8)

Step-by-step explanation:

[tex]\\ \sf\longmapsto y=\dfrac{1}{3}x+2[/tex]

[tex]\\ \sf\longmapsto 8=\dfrac{1}{3}(6)+2[/tex]

[tex]\\ \sf\longmapsto 8=2+2[/tex]

[tex]\\ \sf\longmapsto 8\neq 4[/tex]

Answer:

$960

Step-by-step explanation:

2,400 divided by 2.5 = 960

y divided by x = 950 (x) 2,400 (y)

Answer:

the last choice

Step-by-step explanation:

i mean, you judt gotta find the points of the letters.

you can first find the coordinates of point A, which is 3, 2

based off of that, the rest of the answer choices don't have A as 3, 2.

so, with Process of Elimination, its the last one.

Answer:

c/3 and if multiple c/3 and b/8

Step-by-step explanation:

Answer:

Step-by-step explanation:

ry+r=x-t

ry+r+t=x

x=r(y+1)+t

Answer:

64

Step-by-step explanation:

4^3, means 4*4*4, and it is very simple to calculate when you break it down to 4*4= 16 and then 16*4=64. So your final answer is 64.

formula= LCM ×GCD of the numbers ÷ The first number