Circumference of a semi-circle with diameter 30

Mathematics

1 answer:

PolarNik [594]3 years ago

7 0

0.5 * 3.14 * 30 = 47.1

You might be interested in

How to set up a system of equations

Scorpion4ik [409]

To set up your system of equations is to have 2 equations. They both would have 1 similar variable. For example, Jenny is 5 more her brother's age. She is also 2 more than twice her brother's age. You would set this up as Y, which is Jenny, and X, her brother. Y = 5 + x and Y = 2x + 2. Make sure you put Y in the same spot in both equations. Then take the other half of the equations and simplify them. 5 + x = 2x + 2. Subtract x from both sides to get 5 = x + 2. Subtract 2 from both sides to get 3 = x. Now replace the X from both equations to get Y = 5+3, and Y = 2(3) + 2. You will see both add up to 8, which is how old Jenny is in this example. Hope this helped!

4 0

2 years ago

If 1/3 of a factory is female and we want to sample workers at this factory, then approximately 1/3 of the sample should be fema

lilavasa [31]

I think the answer is true

6 0

2 years ago

Х- 1, 2, 3 ,4

Len [333]

I think it’s C, good luck

4 0

2 years ago

The basketball game at the high school started at 7:30 P.M. and ended at

jekas [21]

Answer:

3 hours 8 minutes

Step-by-step explanation:

5 0

2 years ago

Author answered 85 out of 95 questions correctly on his math exam.Miguel answered 64 out of 76 questions correctly on his histor

photoshop1234 [79]

In this case, you need to find the percentage each student got, then find who received a higher score.

First Step: $\frac{85}{95}$ (and) $\frac{64}{76}$
Second step: Divide each fraction → ≈ 0.8947 (and) ≈ 0.8421
Third Step: Multiply each decimal by 100. → 89.47% (and) 84.21%

Fourth Step: As 89.47% is greater, Author got an higher score.

BRAINLIEST PLS!!!

3 0

3 years ago