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3 years ago

Please help solve this math problem

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

3 0

I believe the answer is 115 but I haven’t done this in a long time.

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The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?

horsena [70]

Area for circle is πr² so πr² =28.26 and we can sub 3.14 as pi
3.14*r²=28.26 we can divide by 3.14 to get r² on it's own
r²=28.26/3.14
then we root both sides to get r on it's own
28.26/3.14=9 √9=3
and the diameter is double the radius 3*2=6 so the diameter is 6

5 0

3 years ago

HELP ME IM SO CONFUSED IT HAS TO BE SIX SUMTHIN RIGHT??

shusha [124]

Answer:

(6,7)

Step-by-step explanation:

I think

8 0

3 years ago

Read 2 more answers

Write an equation and solve round to the nearest hundredth when necessary 19 is what percent of 40

german

Answer:

Final answer is 47.5%.

Step-by-step explanation:

Let the missing percent is x.

Then x percent of 40 can be written as: $40\cdot\frac{x}{100}$ .

Given that resulting percent value is 19.

So we can set both equal.

$40\cdot\frac{x}{100}=19$

$40x=19\cdot100$

$40x=1900$

$x=\frac{1900}{40}$

$x=47.5$

So the final answer is 47.5%.

4 0

4 years ago

What is 14% of 3.09 million

svlad2 [7]

14% * 3.09 million = 432,600

7 0

3 years ago

Find x .....merry Christmas :)))<br>

Ivahew [28]

The value of x in the triangle is 70°

<h3>What is a scalene triangle?</h3>

A scalene triangle is a plane figure that has 3 different length sides and 3 different angles. The sum of all the angles in a scalene triangle is equal to 180°

i.e

$\mathbf{\hat x + \hat y + \hat z = 180 ^0}$