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3 years ago

2x-5y=17 ..solve for y

1 answer:

7 0

$2x-5y=17\ \ \ \ | subtract\ 2x\\\\
-5y=17-2x\ \ \ | divide\ by\ -5\\\\
y=\frac{-17+2x}{5}\\\\Solution\ is\ y=\frac{-17+2x}{5}.$

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. On a school field trip, the school requires that there are 6 teachers for every 90 students. If 135 students attend the trip h

mr_godi [17]

Answer:

For 135 students , the number of teacher requires is 9

Step-by-step explanation:

Given as :

The number of teacher = 6

The number of student = 90

∵ For 90 students , the number of teacher requires = 6

So , For 1 student , the number of teacher requires = $\frac{6}{90}$

= $\frac{1}{15}$

∴ For 135 student , the number of teacher requires = $\frac{1}{15}$ ×135

Or, For 135 student , the number of teacher requires = $\frac{135}{15}$

So, For 135 student , the number of teacher requires = 9

Hence For 135 students , the number of teacher requires is 9 Answer

5 0

3 years ago

Which expressions<br> are<br> equivalent to 4-2.7-2 ?

Sholpan [36]

I think it’s A (4x7)-2

7 0

3 years ago

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OLEGan [10]

With where is it ?????

3 0

3 years ago

Read 2 more answers

Need answer Immediately!!!!!!

slamgirl [31]

Answer:

I believe it is 48%

Step-by-step explanation:

The total amount of people who liked to read printed books is 67.

Then the total amount of people who liked either print or electronic books is 140.

If I am remembering correctly, you would divide 67 by 140 to get the percentage of people who like to read printed books.

<u>67/140 = 48%</u> (rounded)

4 0

3 years ago

An 8-oz bottle of ketchup costs $1.39.

inna [77]

First, you need to find how much an ounce costs. To do that, you have to divide 1.39 by 8. Then you get about 0.17. Now, you multiply 0.17 by 14, and get the answer of 2.38. Therefore, a 14-oz bottle of ketchup costs $2.38.

6 0

4 years ago

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