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Vladimir79 [104]
3 years ago
11

What is an Equivalent Expression of 3x+20?

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Step-by-step explanation:

4x hope this explanation will help

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Round to the nearest tenth Pythagorean Theorem
Lemur [1.5K]
I think 8.0 is the answer
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Which is the dependent variable and which is the independent variable?
lyudmila [28]

The dependent variable is something that is affected. For example, it would be the height of a plant. An independent variable is something that is changed throughout the experiment and can vary. An example would be sunlight. If the independent variable(IV) is set to some sunlight. The dependent variable would be a medium plant height

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4 years ago
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Need help with this question please?
kirill115 [55]
34.25 is the correct answer for this question you welcome
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3 years ago
if the volume of the cube is increased by the factor of 8, what is the change in the length of the sides of the cube?
lorasvet [3.4K]

The new vol = 8 times the old vol.  Therefore the sides of the cube have been made 2 times larger.  (the cube root of 8 is 2.)

<span>Doubled: Volume increased 8 times 
Tripled: Volume increased 27 times 
Quadrupled: Volume increased 64 times 

Pretty simple. If you're doubling the lengths, you're increasing them by 2 times. Take 2 and raise it to the 3rd power. If you're tripling the lengths, you're increasing them 3 times over. Take 3 and raise it to the 3rd power. And so on. 

Doubled = 2^3 = 8 
Tripled = 3^3 = 27 
Quadrupled = 4^3 = 64 

Does that make sense?</span>

8 0
3 years ago
Use the slope formula to find the slope of the line passing through the given points.
umka2103 [35]

Hi there! :)

Step-by-step explanation:

SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}

\frac{(-5)-1}{4-2}=\frac{-7}{2}

<u><em>Slope is -7/2</em></u>

<u><em>Final answer is -7/2</em></u>

Hope this helps!

Have a nice day! :)

:D

Thanks!

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