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3 years ago

Consider the scatter plot. I'm struggling can someone help

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

First this is a positive slope go left to right, next the score is around 50 to 60 percent, the slope is 8

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in a given classroom the number of girls is 10 greater than number of boys if the ratio of the number of girls to the number of

Xelga [282]

Answer:

a) 35, b) 25, c) 60

Step-by-step explanation:

The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.

Number of boys: b

Number of girls: b + 10

Ratio of girls:boys is 7:5, so

$\frac{b+10}{b}=\frac{7}{5}$

"Cross multiply" to get

$7b=5(b+10)\\7b=5b+50\\2b=50\\b=25$

There are 25 boys. There are 10 more girls, so the number of girls is 35, and the total number of students is 60.

That's a packed classroom!

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3 years ago

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Paha777 [63]

Answer:

ummmm Tupac

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is 7.2 times 10^5 equal to.

FromTheMoon [43]

The answer to this is 720000

4 0

3 years ago

Read 2 more answers

Don’t mind my computer but can someone help me pls!!!

mel-nik [20]

I'm pretty sure the answer is the top right one because it looks really messed up. i mean, mi/hr*min doesn't equal mi, but im not too sure about the conversion part.

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3 years ago

Solve for x <br> -2^2(-5x+10)=100

masha68 [24]

Answer:

$x=7$

Step-by-step explanation:

Hi there!

$-2^2(-5x+10)=100$

Solve -2^2:

$-4(-5x+10)=100$

Divide both sides by -4:

$\displaystyle \frac{ -4(-5x+10)}{-4}=\frac{100}{-4} \\\\-5x+10=-25$

Subtract 10 from both sides:

$-5x+10-10=-25-10\\-5x=-35$

Divide both sides by -5:

$\displaystyle \frac{-5x}{-5} = \frac{-35}{-5} \\\\x=7$

Therefore, x = 7.

I hope this helps!

3 0

3 years ago