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3 years ago

Express 0.75 as a fraction in its simplest from.

Mathematics

1 answer:

user100 [1]3 years ago

8 0

Answer:

3/4

Step-by-step explanation:

Reading out 0.75 as "75 hundredths" gives us the fraction 75/100. The greatest common factor between 75 and 100 is 25, so dividing the numerator and denominator by 25 gives us an equivalent fraction in simplest form:

$\frac{75}{100}\div\frac{25}{25} =\frac{3}{4}$

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What is the area of this composite figure?

Mkey [24]

We have two congruent trapezoids.

The formula of an area of a trapezoid:

$A=\dfrac{base_1+base_2}{2}\cdot\ height$

We have:

$base_1=210\ mm\\\\base_2=150\ mm\\\\height=55\ mm$

Substitute:

$A=\dfrac{210+150}{2}\cdot55=\dfrac{360}{2}\cdot55=180\cdot55=9,900\ mm^2$

Answer:

$2A=2\cdot9,900\ mm^2=19,800\ mm^2$

6 0

3 years ago

In the solution of the equation 5 + 3x = -2x + 9, 2 x is added to the equation first. which of the following should be done next

wariber [46]

Hi!

<h3>Let's do the first step (add 2x). </h3>

5 + 3x + 2x = -2x + 2x + 9

<h3>Our goal is to isolate x on one side, so the next step would be to subtract 5 (or add -5).</h3>

5 + -5 + 5x = 9 + -5

<h2>The answer is B. add -5</h2><h3><em>And if you want to finish solving, you would divide by 5 on both sides.</em></h3>

5x/5 = 4/5

x = 0.8

Hope this helps! :)

-Peredhel

4 0

3 years ago

Solve for x : x/-9=3

USPshnik [31]

Answer:

x=-27

Step-by-step explanation:

x/-9=3

x=3*-9=-27

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3 years ago

Equation of a line that best fits the points (-4,10)(-1,5) (2,-1) (3,-6) (5,-7)

Slav-nsk [51]

Answer:

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3 years ago

Find the area of an equilateral triangle that has perimeter of 24 m.

mafiozo [28]

we know the perimeter is 24, and is an equilateral triangle, so it has three equal sides, so each side is 24 ÷ 3 = 8.

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3 years ago