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3 years ago

Find the quotient of x-8 over x-10 by inspection.

Mathematics

1 answer:

Andru [333]3 years ago

7 0

$\frac{x-8}{x-10}$

$\frac{x-10+2}{x-10}$

$\frac{x-10}{x-10}+\frac{2}{x-10}$

$1 + \frac{2}{x-10}$

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The answer to the question

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irina [24]

Answer:

Part 1) The perimeter is $P=6\sqrt{6}\ cm$

Part 2) The diagonal is $d=\sqrt{30}\ cm$

Step-by-step explanation:

<u><em>The question in English is</em></u>

You have a rectangle whose base is twice the height and its area is 12

square centimeters. Calculate the perimeter of the rectangle and its diagonal

step 1

Find the dimensions of rectangle

we know that

The area of rectangle is equal to

$A=bh$

$A=12\ cm^2$

$bh=12$ ----> equation A

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$b=2h$ ----> equation B

substitute equation B in equation A

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$b=2\sqrt{6}\ cm$

step 2

Find the perimeter of rectangle

The perimeter is given by

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substitute

$P=2(2\sqrt{6}+\sqrt{6})\\P=6\sqrt{6}\ cm$

step 3

Find the diagonal of rectangle

Applying the Pythagorean Theorem

$d^2=b^2+h^2$

substitute

$d^2=(2\sqrt{6})^2+(\sqrt{6})^2$

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3 years ago

A scientist has two solutions, which she has labeled Solution A and Solution Each contains salt. She knows that Solution A is 40

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Answer:

Step-by-step explanation:

Let the number of ounces of

A = x

B = y

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Our system of equations is given as

x + y = 90.... Equation 1

x = 90 - y

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We substitute 90 - y for x in Equation 2

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Answer:

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Step-by-step explanation:

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