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vlabodo [156]
3 years ago
12

**PLEASE HURRY**

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Step-by-step explanation:

so go to safari and look it up !!!

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Simplify: (3²-4)/5 <br>A. 1 <br>B. 1.25 <br>C. 1/5 <br>D. 5​
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A is the correct answer

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??? Anyone know how to answer this question
True [87]
Answer: 35 additional teachers are needed

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Explanation:

We have 2470 students and the ratio of students to teachers is 26:1. This means that for every teacher, there are 26 students. Put another way, we can set up this ratio

2470/x = 26/1

where x is the number of teachers. Cross multiply and solve for x

2470/x = 26/1
2470*1 = 26*x
2470 = 26x
26x = 2470
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x = 95

So we have 95 teachers currently

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Let y be the new number of teachers needed to bring the ratio down to 19:1

Using a similar idea as done above, we would have this ratio

2470/y = 19/1

Let's solve for y
2470/y = 19/1
2470*1 = 19*y
2470 = 19y
19y = 2470
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y = 130

So we'll need 130 teachers to have the ratio be 19:1

The difference of the values is y - x = 130 - 95 = 35, which is the final answer. This is the additional amount of teachers needed.
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Answer:

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