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2 years ago

Please help me, i don't get this

Mathematics

2 answers:

ser-zykov [4K]2 years ago

8 0

Your answer should be A

mylen [45]2 years ago

5 0

Answer:

Step-by-step explanation:

The rule is, whenever you plug in g(x) into f(x) or vice versa, they always must equal x. So if you plugged in g(x) into f(x), then the outcome should be x. If the output is not x, then they are not inverses.

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What is the solution to the equation?

AleksandrR [38]

Solution of the equation: $x=6\frac{1}{2}$

Step-by-step explanation:

The equation that we have to solve in this problem is:

$13\frac{3}{4}+x=7\frac{1}{4}$

The first step to do is to rewrite the mixed fractions as improper fractions. We have:

$13\frac{3}{4}=\frac{13\cdot 4+3}{4}=\frac{52+3}{4}=\frac{55}{4}$

And

$7\frac{1}{4}=\frac{7\cdot 4+1}{4}=\frac{29}{4}$

So the equation becomes

$\frac{29}{4}+x=\frac{55}{4}$

Now we multiply by 4 each term on both sides, and we get

$29+4x=55$

Now we subtract 29 from both sides,

$4x=55-29=26$

And finally, we divide both sides by 4:

$x=\frac{26}{4}=\frac{13}{2}=6\frac{1}{2}$

Learn more about equations:

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4 0

2 years ago

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Ann is using a recipe that serves 20 people. the recipe requires 1/2 of a cup of sugar. how many cups of sugar does ann beed to

Setler [38]

Answer:

1 1/4 cup

Step-by-step explanation:

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2 years ago

It takes Jill 2 hours to run 14.5 miles. At this rate, how far could she run in 3 hours?

Vanyuwa [196]

Answer:

21.75 miles

Step-by-step explanation:

2 hours=14.5 miles

3 hours=x

2x=14.5*3

x= $\frac{14.5*3}{2}$

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2 years ago

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I am a cube that has a length, width, and height of 1 unit

OlgaM077 [116]

If you would like to know the volume of the cube, you can calculate this using the following steps:

volume = length * width * height
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The volume of a cube is 1.

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3 years ago

Solve 0 = -1.8y + 0.72. What is y = to? 1.0.4 2.-0.4 3.0.8 4.1.8

PIT_PIT [208]

Answer:

0.4

Step-by-step explanation:

just solve it like an equation.

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2 years ago

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Please help me, i don't get this​

Please help me, i don't get this