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Dima020 [189]
2 years ago
9

A clay block is 12 cm long 6cm wide and 2cm high and the density is 1.25cm3 what is the mass

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
6 0

Answer:

180

Step-by-step explanation:

formula density:

p =  \frac{m}{v}

find volume ..

v = 12 \times 6 \times 2  \\  = 144

subtitute into formula density..

1.25 =  \frac{m}{144}

m = 180

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Answer:

see the explanation

Step-by-step explanation:

we know that

The sum of the interior angles in any polygon is given by the formula

S=(n-2)180^o

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step 1

Find the sum of the interior angles in the given polygon

we have

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substitute

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step 2

Find the value of x

we know that

-3x+125+(45-x)+(-x+90)+80=540

solve for x

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step 3

Find the measure of each interior angle

substitute the value of x

Angle A

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Angle B

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Changing the subject of an equation involves solving for another variable in the equation

The equation of t is t=\frac{\sqrt{y_i-y_o}}{N}

<h3>How to change the subject of the equation</h3>

The equation is given as:

N=\sqrt[2]{\frac{y_i-y_o}{t^2}}

Rewrite the equation as:

N=\sqrt{\frac{y_i-y_o}{t^2}}

Evaluate the square root of t^2

N=\frac{\sqrt{y_i-y_o}}{t}

Multiply both sides by t

Nt=\sqrt{y_i-y_o}

Make t the subject, in the above equation

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Hence, the equation of t is t=\frac{\sqrt{y_i-y_o}}{N}

Read more about subject of formula at:

brainly.com/question/657646

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-6x +10x = 20

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