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3 years ago

Write each percent as a fraction in simplest form? 1. 75%

Mathematics

1 answer:

dem82 [27]3 years ago

5 0

Answer:

3/4

Step-by-step explanation:

As a decimal, 75% is 0.75, which is 3/4

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What is 120 degrees in radians?

RideAnS [48]

Answer:

$\frac 23 \pi$

Step-by-step explanation:

120 degrees is one third of the whole circle, or $\frac 13 2\pi$

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3 years ago

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A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.

Dafna1 [17]

The area of a triangle in terms of height and base is A = 1/2*base*height

Suppose base = 6 cm and height = 12 cm. Then, A = 1/2*6*12 = 36 cm2.

If the base and height are scales by a factor of 5, b= 30 cm and h = 60 cm. Then, A = 1/2*30*60 = 900 cm2.

Thus the area of the resulting triangle is scaled by a factor of 25, which is 900 cm2.

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3 years ago

These base-10 blocks model 68.

Rina8888 [55]

Answer:

68 ÷ 7 = 9.714

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7 0

2 years ago

HELP PLEASE!! I DONT UNDERSTAND!!!!!!!!!! THANKS SO MUCH

8090 [49]

Hello, please consider the following.

We will multiply the numerator and denominator by

$4+\sqrt{6x}$

to get rid of the root in the denominator.

First of all, we cannot divide by 0, right? So, we need to make sure that the denominator is different from 0.

$4-\sqrt{6x} =0\sqrt{6x}=4\\\\\text{Take the square}\\\\6x=4^2=16\\\\x=\dfrac{16}{6}=\dfrac{8}{3}$

We need to take any x real number different from 8/3 then and simplify the expression.

Let's do it!

$\begin{aligned}\dfrac{4}{4-\sqrt{6x}}&=\dfrac{4(4+\sqrt{6x})}{(4+\sqrt{6x})(4-\sqrt{6x})}\\\\&=\dfrac{4(4+\sqrt{6x})}{(4^2-\sqrt{6x}^2)}\\\\&=\dfrac{4(4+\sqrt{6x})}{(16-6x)}\\\\&=\dfrac{2(4+\sqrt{6x})}{(8-3x)}\\\\&\large \boxed{=\dfrac{8+2\sqrt{6x}}{8-3x}}\end{aligned}$

Thank you

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3 years ago

What's the square root of 3 to the second power

jeka94

Answer:

*if you ever need to do more math like this, I suggest using desmos :)

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3 years ago

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