2 years ago

What is the scale factor?

Mathematics

2 answers:

fiasKO [112]2 years ago

7 0

The scale factor is 5/3

9(5/3) = 15

choli [55]2 years ago

5 0

Answer:

scale factor is 15 because of a calculator

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Aneli [31]

THE ANSWER IS THE SECOND AND THIRD CHOICE.

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3 years ago

Read 2 more answers

Hi! Please help, I'd appreciate it!

Romashka-Z-Leto [24]

The volume of sphere is $\frac{1372}{3}\pi$ feet cubed.

Step-by-step explanation:

Given,

Surface area of sphere = 196π square feet

Surface area of sphere = 4πr²

We will find radius of sphere.

$4\pi r^2=196\pi$

Dividing both sides by 4π

$\frac{4\pi r^2}{4\pi}=\frac{196\pi}{4\pi}\\\\r^2=49$

Taking square root on both sides

$\sqrt{r^2}=\sqrt{49}\\r=7$

The radius is 7 feet.

Volume of sphere = $\frac{4}{3}\pi r^3$

$Volume=\frac{4}{3}\pi (7)^3\\\\Volume= \frac{4}{3}\pi *343\\\\Volume = \frac{1372}{3}\pi$

The volume of sphere is $\frac{1372}{3}\pi$ feet cubed.

Keywords: volume, surface area

Learn more about surface area at:

#LearnwithBrainly

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2 years ago

What is the equation of the axis of symmetry for the parabola y= 1/4(x+2)^2-7

Nezavi [6.7K]

Your answer is -2 as the axis of symmetry is at -b/2a. So if you were to expand the equation, you would get y= x^2/4 +x -6 where b is 1 and 2a is ½ . Therefore -1 / ½ gives you -2

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3 years ago

<img src="https://tex.z-dn.net/?f=x%20%2B%207%20%20%3C%20%20-%202" id="TexFormula1" title="x + 7 < - 2" alt="x + 7 < -

vladimir1956 [14]

First one because when you subtract 7 u keep the var. x alone and isolate it.

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Graph the equation -5x + 2y=2

dimulka [17.4K]

Slope = 5 over 2
Y-intercept = 1

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