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3 years ago

Solve for r what is the answer

Mathematics

1 answer:

Murljashka [212]3 years ago

4 0

-11x < 55
When you divide by -11, the sign flips and gives you x > -5. Therefore, letter D is the correct answer.

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ycow [4]

Answer:

Step-by-step explanation:

The domain is the x value which in this case would be the hours of training

3 0

2 years ago

Help this has to be don today or my grade on it will be a 60

mariarad [96]

Answer:

$\frac{5}{13}$

Step-by-step explanation:

If you have the same denominator, you can just subtract the numerators normally and carry over the denominator.

7 0

2 years ago

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What is 3x+2x-8y pls help

Snezhnost [94]

Answer:

5x -8y

Step-by-step explanation:

3x+2x-8y

3x and 2x are like terms so we can combine them

5x -8y

7 0

2 years ago

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Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?

Marina86 [1]

Answer:

The inverse of $2(x - 2)^2 = 8(7 + y)$ is $y=\sqrt{(4x+28)}+2$

Step-by-step explanation:

Given equation : $2(x - 2)^2 = 8(7 + y)$

$\Rightarrow \frac{2(x-2)^2}{8}=7+y\\\Rightarrow \frac{2(x-2)^2}{8}-7=y$

Replace x with y and y with x

So, $\Rightarrow \frac{2(y-2)^2}{8}-7=x\\\Rightarrow \frac{2(y-2)^2}{8}=x+7\\\Rightarrow 2(y-2)^2=8(x+7)\\\Rightarrow (y-2)^2=4(x+7)\\\Rightarrow (y-2)=\sqrt{4(x+7)}\\\Rightarrow y=\sqrt{4(x+7)}+2\\\Rightarrow y=\sqrt{4x+28)}+2$

So, Option C is correct

Hence The inverse of $2(x - 2)^2 = 8(7 + y)$ is $y=\sqrt{(4x+28)}+2$

4 0

3 years ago

What is the solution for the equation 3x + 0.3 = 3.3.

hoa [83]

Answer:

3x+0.3=3.3.

\ /

We move all terms to the left:

3x+0.3-(3.3.)=0

We add all the numbers together, and all the variables

3x+0.3-0=0

We add all the numbers together, and all the variables

3x+0.3=0

We move all terms containing x to the left, all other terms to the right

3x=-0.3

x=-0.3/3

/ \

*eliza*

3 0

3 years ago