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zhenek [66]
3 years ago
12

Someone please help!!!!! i will mark brainliest :)

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0

Answer:

you have to solve all of the equations i none square and then once you have all of the answers in each square, add them up and then solve the questions down below

Step-by-step explanation:

correct me if im wrong

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Please list the factors thanks :)
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What effect does doubling the radius of a cylinder have on the volume of the cylinder?
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Doubling the radius of the cylinder will quadruple the volume.
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Based on her recipe, Elena knows that 5 servings of granola have 1,750 calories. 1. if she eats 2 servings of granola, how many
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Which of the following have the property that a(x)=a−1(x)? I. y=x II. y=1/x III.y=x^2 IV. y=x^3 A. I and II, only B. IV, only C.
valentina_108 [34]

Answer:

<em>Correct answer:</em>

<em>A. I and II</em>

<em></em>

Step-by-step explanation:

First of all, let us have a look at the steps of finding inverse of a function.

1. Replace y with x and x with y.

2. Solve for y.

3. Replace y with f^{-1}(x)

Given that:

I.\ y=x \\II.\ y=\dfrac{1}x \\III.\ y=x^2 \\IV.\ y=x^3

Now, let us find inverse of each option one by one.

I. y = x, a(x) = x

Replacing y with and x with y:

x = y

x = a^{-1}(x) = a(x)  Hence, I is true.

II. y =\dfrac{1}{x}

Replacing y with and x with y:

x =\dfrac{1}{y}

x=\dfrac{1}{a^{-1}(x)}

\Rightarrow a^{-1}(x) = \dfrac{1}{x}

a^{-1}(x) = a(x)  Hence, II is true.

III. y =x^{2}

Replacing y with and x with y:

x =y^{2}\\\Rightarrow y = \sqrt x\\\Rightarrow a^{-1}(x) = \sqrt{x} \ne a(x)

 Hence, III is not true.

IV. y =x^{3}

Replacing y with and x with y:

x =y^{3}\\\Rightarrow y = \sqrt[3] x\\\Rightarrow a^{-1}(x) = \sqrt[3]{x} \ne a(x)

Hence, IV is not true.

<em>Correct answer:</em>

<em>A. I and II</em>

<em></em>

4 0
3 years ago
Giving brainliest to best answer ;)
zaharov [31]

Answer:

<6 = 50 percent

Step-by-step explanation:

<2 = <5 = <7 = <9 = 130 percent

<1 + <2 = <6 + <7 = 180 percent

180 percent - <7

180 percent - 130 percent = 50 percent

<6 = 50 percent

8 0
2 years ago
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