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vladimir1956 [14]
3 years ago
7

In Mr. Henry’s class, there are 8 students that wear glasses, and 3 of them are boys. c. Write a ratio that compares the number

of girls in the class that wear glasses to the number of girls that do not. Explain how you know.
Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

3 : 5

Step-by-step explanation:

Since there are 3 boys, the number of girls is 5.

Causing the ratio to be 3 : 5

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(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

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Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

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Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

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Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

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Divide by (-124)!

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Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

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