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makkiz [27]
4 years ago
6

What is the approximate circumference of a circle with radius 3?

Mathematics
2 answers:
mart [117]4 years ago
6 0
I’m guessing C, but I’m not for sure
malfutka [58]4 years ago
6 0

Answer:

C

Step-by-step explanation: Plug the radius into the formula 2\pir so first you multiply the radius by 2, giving you 6\pi, next, multiply 6 by pi(3.14) and you will end up with 18.849, then you round up and end up with 18.85

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Find the Surface Area of the right triangular prism.
Elis [28]
It’s always gonna be 60 Units this is just an known fact
8 0
3 years ago
The radius of a circle is 2 centimeters. What is the circles circumference?
Salsk061 [2.6K]

Answer: 4π cm or 12.56 cm

Step-by-step explanation: To find the circumference of this circle, start with the formula for the circumference of a circle which is C = 2πr.

Since the radius is 2 centimeters, we can

plug in 2 centimeters for <em>r</em> in the formula.

So we have (2)(π)(2 cm) which is equal to 4π cm.

So the circumference of this circle is 4π cm.

Remember that π is approximately equal to 22/7 or 3.14 so we can estimate the value of the circumference by plugging in 3.14 for π.

So we have (4)(3.14) which is equal to 12.56.

So the circumference of the circle is

approximately equal to 12.56 cm.

5 0
3 years ago
Three less than on-half a number is -71
pogonyaev

Your Answer:

<em>B. 1/2n-3</em>

Explanation:

<em>One way to get half a number is to multiply it by 1/2.</em>

<em>The phrase "a number less than an other number" often indicates subtraction.</em>

7 0
3 years ago
Read 2 more answers
The conversion of square feet to square yards can be represented by direct variation. Three square yards are
grandymaker [24]
<h3>The constant of variation is \frac{1}{9}</h3><h3>The equation is y=\frac{1}{9}x</h3>

<em><u>Solution:</u></em>

Given that,

The conversion of square feet to square yards can be represented by direct variation

Let y represent the number of square yards

Let x be the number of square feet

y \propto x

y = kx ------ eqn 1

Where, "k" is the constant of variation

Three square yards are  equivalent to 27 square feet

Substitute, y = 3 and x = 27 in eqn 1

3 = k \times 27\\\\k = \frac{3}{27}\\\\k = \frac{1}{9}

Thus the constant of variation is \frac{1}{9}

<em><u>What is the equation representing the direct variation?</u></em>

Substitute k = 1/9 in eqn 1

y = \frac{1}{9}x

Thus the equation is found

4 0
4 years ago
PLEASE HELP!! 20 POINTS EACH
SashulF [63]

Answer:

443.2 grams

Step-by-step explanation:

Each can contains 55.4 grams of protein, and there are 8 cans, so the answer would be 55.4*8 = 443.2 grams.

4 0
3 years ago
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