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Sunny_sXe [5.5K]
3 years ago
13

How to find circumference of a circle​

Mathematics
2 answers:
forsale [732]3 years ago
5 0

Answer:

C=2πr

Step-by-step explanation:

The circumference of a circle can be found by multiplying pi ( π = 3.14 ) by the diameter of the circle.

If a circle has a diameter of 4, its circumference is 3.14*4=12.56.

If you know the radius, the diameter is twice as large.

Maksim231197 [3]3 years ago
4 0

Answer:

the formula is C = 2(pi)r

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500 in the ratio 2:3
irina1246 [14]
500 in 2:3 is saying that there are five different parts (2 + 3)
This means that 500 needs to be split into five, which is 100.
After that all you need to do is put 2 'sections' on one side and 3 on the other.

For example, 2 : 3 = 2( x 100) : 3( x 100)
                                = 200 : 300
8 0
3 years ago
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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.

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6 0
2 years ago
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Does the function satisfy the hypotheses of the Mean Value Theorem on the given interval? f(x) = ln(x), [1, 5]
matrenka [14]

Answer:

Yes, the function satisfies the hypothesis of the Mean Value Theorem on the interval [1,5]

Step-by-step explanation:

We are given that a function

f(x)=ln(x)

Interval [1,5]

The given function is defined on this interval.

Hypothesis of Mean Value Theorem:

(1) Function is continuous on interval [a,b]

(2)Function is defined on interval (a,b)

From the graph we can see that

The function is continuous on [1,5] and differentiable at(1,5).

Hence, the function satisfies the hypothesis of the Mean Value Theorem.

5 0
3 years ago
what is the volume of the cone with radius 6 inches and height 10 inches express the answer in terms of pi
Vanyuwa [196]

Answer:

V = (1/3)(π)(6 in)²(10 in) = 120π in³

Step-by-step explanation:

The volume of a cone of radius r and height h is V = (1/3)πr²h.

Here, that volume is V = (1/3)(π)(6 in)²(10 in) = 120π in³

6 0
3 years ago
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Jonah invests $400in a bank account that pays 3.5% simple interst per year. At the end of each year Jonah spends 3/5 of the inte
Paraphin [41]

Answer:

$5.60

Step-by-step explanation:

interest = 3.5% = 3.5 ÷ 100 = 0.035

So 3.5% of $400 = 0.035 x 400 = $14

If Jonah spend 3/5 of the interest, then he gives his brother 2/5 of the interest each year.

2/5 of $14 = 2/5 x 14 = $5.60

7 0
2 years ago
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