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kotegsom [21]
3 years ago
6

How can you tell if an equation has direct variation? (Direct variation means proportional)

Mathematics
1 answer:
mario62 [17]3 years ago
7 0
Direct variation/proportional means that one variable is always a multiple of the other variable.

It looks something like y = n /cdot x, where n is any number.
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What is the area of a circle. Using 3.14 for. A circle with diameter of 8.4 ft.
ira [324]

Hey there! I'm happy to help!

First, let's find the radius. The radius is half of the diameter.

8.4/2=4.2

Here's how to find the area of a circle.

Square the radius.

4.2²=17.64

And multiply by pi (3.14 in our case)

17.64(3.14)=55.3896

We round to the nearest tenth, giving us an area of 55.4 ft²

Have a wonderful day! :D

5 0
3 years ago
PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!!! THANK YOUUU!!! <33
Free_Kalibri [48]

Answer:

A) 113 m²

Step-by-step explanation:

Use the formula for area of a circle.

Area of a circle = πr²

π = pi = 3.14 (rounded)

r = radius

² = the power of 2, or the radius (in this case) multiplied by itself.

Note that the radius is given, and it is 6. Plug in 6 for the radius:

A (circle) = π(6)²

First, solve the power. Multiply 6²:

6² = 6 * 6 = 36

Next, multiply 36 with π (3.14):

36 x 3.14 = 113.04

A) 113 m² is your closest answer.

~

6 0
2 years ago
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5 0
3 years ago
(Need help ASAP!) Select the equation that most accurately depicts the word problem.
antiseptic1488 [7]
I the answer is C I’m not really sure but I’ll update u when i get the answer
5 0
3 years ago
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Pls help this question is way to hard
lubasha [3.4K]

Answer:

men dog-59.09 women-40.90  total- 100%

men cat-61.29 women-38.70  total- 100%

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Step-by-step explanation:

6 0
3 years ago
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