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tekilochka [14]

3 years ago

8

The circumference of circle A is 3 times greater than the circumference of circle B. What is the relationship between the areas

of the circles?

1 answer:

SashulF [63]3 years ago

6 0

We know, Circumference of a Circle = 2πr

In mathematical form, You can write it as:

2πr₁ = 3(2πr₂)

Hope this helps!

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What is <img src="https://tex.z-dn.net/?f=15%5E%7B2%7D" id="TexFormula1" title="15^{2}" alt="15^{2}" align="absmiddle" class="la

umka21 [38]

Amayo943,

Remember that with exponents you have to multiply the number of exponets by the same number it's in for example: $1^2 = 1 \times 1$ In this case you need to know that:

$15^2 = 15 \times 15$
$15 \times 15 = 225$
$=225$

Therefore your answer is "225."

Hope this helps!

5 0

4 years ago

shop sells pencils in packs and in boxes. There are 4 pencils in a pack and 12 pencils in a box. Lola buys d packs of pencils. (

suter [353]

Answer:

(a) 4d

(b) 4x+12y

Step-by-step explanation:

If there are 4 pencils in a pack and she buys d packs, the amount of pencils she gets is 4*d, or 4d. The same principle goes for (b). Hope this helps!

3 0

4 years ago

the lines shown below are parallel. if the green line has a slope of -4, what is the slope of the red line

Olenka [21]

-4, parallel lines have the same slope.

4 0

4 years ago

Read 2 more answers

A quarter-circle with a diameter of 4 meters. What is the area?

Zarrin [17]

First, just find the area of the whole circle:

πr²
π(2)²
4<span>π

Now, just multiply by 1/4.

4</span><span>π * 1/4
</span><span>π
</span><span>
Hope this helps!

</span>

7 0

4 years ago

Whats the mean of 45 and -75

Kryger [21]

I’m pretty sure it would be 30

4 0

3 years ago

Read 2 more answers