2 years ago

Find the diameter of a circle with an area of 90.25m2

Mathematics

1 answer:

Mars2501 [29]2 years ago

5 0

Answer:

10.7196

Step-by-step explanation:

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Rachael can paint a room in 9 hours. Kelsey can paint same room in 15 hours. How long if they paint it together.

ElenaW [278]

Answer:

6 hours

Step-by-step explanation:

because if they work together it will be 9 hours slower than Kelsey's time alone.

not sure if correct

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3 years ago

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likoan [24]

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3 years ago

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What is the answer for 4x y = -10

CaHeK987 [17]

4 times y = -10

-10/4 = -2.5

y = -2.5

8 0

3 years ago

Can someone pls help

azamat

Answer:

3.6

Step-by-step explanation:

sine theta=3.2/5.1

theta=sine^-1(3.2/5.1)

theta=38.86230987

sine 38.86230987=x/5.7

x=sine 38.86230987(5.7)

x=3.576470588

Rounded to the nearest tenth is 3.6

4 0

3 years ago

Work out the angle of x please answer ASAP!!

geniusboy [140]

Given:

The figure of a pentagon.

To find:

The value of the x.

Solution:

We know that, the sum of all interior angles of a pentagon is 540 degrees. So,

$(5x-25)+(6x+25)+(6x-3)+(9x)+(7x+15)=540$

$(5x+6x+6x+9x+7x)+(-25+25-3+15)=540$

$33x+12=540$

Subtract both sides by 12.

$33x+12-12=540-12$

$33x=528$

Divide both sides by 33.

$x=\dfrac{528}{33}$

$x=16$

Therefore, the value of the x is 16.

6 0

3 years ago