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3 years ago

Which expression is equivalent to the area of square A, in square centimeters?

Mathematics

2 answers:

VMariaS [17]3 years ago

8 0

According the Pythagorean theorem, the side length of A would be

√(25² + 45²)

This only the side length. In order to get the area, we have to square the side length.

[√(25² + 45²) ]²

= 25² + 45²

Thus, your answer is the last choice.

Have an awesome day! Feel free to comment if you need any clarifications! :)

oksano4ka [1.4K]3 years ago

5 0

You can use the Pythagorean theorem for this question, because all three of the squares form a right triangle together.

A=24²+45²

The answer is the bottom choice.

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What is the product of the rational expressions shown below? Make sure your

Blababa [14]

Answer:

$\frac{2x}{x+7}$

Step-by-step explanation:

we have

$(\frac{x-3}{x+7})(\frac{2x}{x-3})$

When multiply two fractions:

Multiply the numerators of the fractions to get the new numerator.

Multiply the denominators of the fractions to get the new denominator

$(\frac{x-3}{x+7})(\frac{2x}{x-3})=\frac{(x-3)(2x)}{(x+7)(x-3)}$

(x-3) cancels out

$\frac{2x}{x+7}$

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3 years ago

Mike earn $34 in 4 hours on his job today he wants to know how much would he earn if he wants 10 hours tomorrow

max2010maxim [7]

Answer:

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Step-by-step explanation:

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olganol [36]

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Which property would be used to show that the product of two rational is always rational

KatRina [158]

You multiply two rational numbers by multiplying numerators and denominators with each other. So, you have

$\dfrac{a}{b} \times \dfrac{c}{d} = \dfrac{ac}{bd}$

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3 years ago

Im not sure how to do this or what function to use SIN, COS, or TAN but if you could walk me through it that would be so so so a

Elanso [62]

Answer: 3.8

Step-by-step explanation:first, you need to figure out what side you’re looking for. Side AC is opposite of the angle you’re given. They also give you length of side AB which is 4. That is the hypotenuse (side directly across from right angle). So, you have the hypotenuse, and need the find the opposite side measure. Which option uses opposite and hypotenuse? That’s Sin. So, you would do: sin70 = ? / 4.

sin (of given angle)= opposite / hypotenuse.

Sin (70 degrees) = ? / 4

Then you solve for “?”

Type sin70 into your calculator, then multiply both sides by 4 to get “?” by itself. You should get 3.758770483, which rounds to 3.8

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2 years ago