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2 years ago

I need help on this. I’m so confused

Mathematics

1 answer:

12345 [234]2 years ago

8 0

The answer is “12p+10”
4p+8p+10
12p+10

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15. Choose the graph of 3x + y = -2. A. 41 -6 -4 -2

lana [24]

Answer:-6

Step-by-step explanation:

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3 years ago

Please help me 7th grade

Anon25 [30]

Answer:

4(-80) = -320

Step-by-step explanation:

His elevation decreased by 80 each hour. Since he was walking for 4 hours, the equation would be

4(-80) = -320.

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2 years ago

hue Lake Trail is 1 miles has hiked miles each hour for How far is she from the end of the an 7.3) o

KonstantinChe [14]

Gemma was hiking for 2 1/2 a hour for 3 hours so u have to multiply 2.5 by 3 and that gonna equal 7.5 so u leave that alone and come back to it later so u get 11 3/8 minus 7.5 and it gonna equal 3 7/8 and I hope that helped you

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3 years ago

What is the square root of 5 divided by the square root of 15 and simplify and in fraction form

ozzi

Answer:

$\sqrt{\frac{1}{3} }$

$\frac{\sqrt{3} }{3}$

Step-by-step explanation:

The expression $\frac{\sqrt{5} }{\sqrt{15} }$ can be simplified by first writing the fraction under one single radical instead of two.

$\frac{\sqrt{5} }{\sqrt{15} } = \sqrt{\frac{5}{15} }$

5/15 simplifies because both share the same factor 5.

It becomes $\sqrt{\frac{5}{15} } = \sqrt{\frac{1}{3} }$

This can simplify further by breaking apart the radical.

$\sqrt{\frac{1}{3} } = \frac{\sqrt{1} }{\sqrt{3} } = \frac{1}{\sqrt{3} }$

A radical cannot be left in the denominator, so rationalize it by multiplying by √3 to numerator and denominator.

$\frac{1}{\sqrt{3} } *\frac{\sqrt{3} }{\sqrt{3} } =\frac{\sqrt{3} }{3}$

4 0

2 years ago

Four times a number increased by seven must be at least 31 but at most 55. Which interva

TEA [102]

Answer:

6 $\leq$ x $\leq$ 8

Step-by-step explanation:

We'll represent the number with the expression 4x + 7

Then, we'll set up the inequality:

31 $\leq$ 4x + 7 $\leq$ 55

24 $\leq$ 4x $\leq$ 48

6 $\leq$ x $\leq$ 8

3 0

3 years ago