3 years ago

Help asappppp Quickkkkkkkkkkk

Mathematics

1 answer:

kicyunya [14]3 years ago

8 0

Answer:

The answer is C

Step-by-step explanation:

In these questions you have to remember crawl before you walk. So x First then y match up the coordinates (-4,9) and such and the answer should reveal itself.

Regards,

Fellow 8th grader, Abdelmumen Nakoa

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Step-by-step explanation:

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3 years ago

There are 416 students who are enrolled in an introductory geology course. if there are seven boys to every six girls, how many

Alenkinab [10]

$\text{Let the number of boys be x and number of girls be y.}\\
\\
\text{and there are total 416 students enrolled in the course. so we have}\\
\\
x+y=416 \ \ \ \ \ \ \ \ \ \ ......(i)\\
\\
\text{also given that there are seven boys to every six girls, that is}\\
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\frac{x}{y}=\frac{7}{6}$

$\Rightarrow 6x=7y\\
\\
\Rightarrow y=\frac{6x}{7}\\
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\text{substitute this value of y in (i), we get}\\
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x+\frac{6x}{7}=416\\
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\Rightarrow \frac{7x+6x}{7}=416\\
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\Rightarrow x=224$