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3 years ago

What is 21/4 in simplest form

Mathematics

1 answer:

scZoUnD [109]3 years ago

3 0

This is already in simplest form. it can't be reduced furthermore.

As a mixed number is 5 1/4

As a decimal is 5.25

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What is the simplest form of 27/42? a.27/42 d.9/14 b.1 15/27 e.13/21 c.2/3

soldi70 [24.7K]

$\frac{27}{42}=\frac{27:3}{42:3}=\frac{9}{14}\\\\Answer:D$

5 0

3 years ago

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Find the value of the variable. If your answer is not an integer, leave it in simplest radical form.

AlekseyPX

Answer:

$\frac{5\sqrt{2} }{2}$

Step-by-step explanation:

$x: \text{opposite side of the angle of 45\º}$

$5: \text{hypotenuse of the right triangle}$

$\sin(\theta)=\frac{\text{opp}}{\text{hyp}} \Rightarrow \sin(45\º)=\frac{x}{5}$

$\text{Once }\sin(45\º)=\frac{\sqrt{2} }{2}$

$\frac{\sqrt{2} }{2} =\frac{x}{5} \Rightarrow 2x=5\sqrt{2} \Rightarrow x=\frac{5\sqrt{2} }{2}$

You can just remember that 5 is the diagonal of a square of side length x.

$5=x\sqrt{2} \Rightarrow x=\frac{5}{\sqrt{2} } \Rightarrow x=\frac{5}{\sqrt{2} } \cdot \frac{\sqrt{2} }{\sqrt{2} } = \frac{5\sqrt{2} }{2}$

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4 years ago

Imara used these steps to find the length of the hypotenuse of the right triangle.

andriy [413]

Answer:

Step-by-step explanation:

I did the test

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3 years ago

|x| = -5 <br><br> Select a he graph of the solution. Click until correct graph appears

Gnoma [55]

Answer:

No solution

Step-by-step explanation:

No solution.

You could graph y = |x| and then graph y = -5. You'd see quickly that these two graphs never intersect.

The absolute value function y = |x| can only be zero (0) or positive.

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3 years ago

Shirts are on sale at a price of $50 for 4. How many shirts can be purchased for $125?

mezya [45]

Answer:

10 shirts

Step-by-step explanation:

We can use a ratio to solve

50 dollars 125 dollars

-------------------- = -------------------

4 shirts x shirts

Using cross products

50 *x = 4 * 125

50x = 500

Divide each side by 50

50x/50 = 500/50

x = 10

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3 years ago

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