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2 years ago

What is 12 more than 3 times a number?

Mathematics

2 answers:

Nadya [2.5K]2 years ago

6 0

Answer:

We can use 2 things to help solve this

First multiplication, What times 3 is 12?

Well we can use common factors to find out. But if we studied are facts we would know 3×4=12

Next division: What'd 3÷12? We can divide to figure this out. 3÷12=4

3÷12=4

3×4=12

sleet_krkn [62]2 years ago

4 0

Answer:

I think it's 4 times 3 is the more number for 12.

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At East Middle School, there are 58 left-handed students and 609 right-handed students. The numbers of left- and right-handed st

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Answer:

C. Left-handed: 48, Right-handed: 504

D. Left-handed: 30, Right-handed: 315

Step-by-step explanation:

We are given that there are 58 left-handed students and 609 right-handed students at East Middle School and these numbers of students are proportional to the number of left and right handed students at East Middle School.

Given the above information, we are are to determine which two options could be the the numbers of left-handed and right-handed students at West Junior High.

Ratio of right handed to left handed students at East Middle School = $\frac{609}{58} = 10.5$

Checking for ratios of the given options:

A. $\frac{483}{42} =11.5$

B. $\frac{378}{28} =13.5$

C. $\frac{504}{48} =10.5$

D. $\frac{560}{56} =10$

E. $\frac{315}{30} =10.5$

Therefore, the possible numbers of left-handed and right-handed students at West Junior High could be C. Left-handed: 48, Right-handed: 504 and D. Left-handed: 30, Right-handed: 315.

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2 years ago

Read 2 more answers

Find the domain and range of the graph

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9514 1404 393

Answer:

domain: [-6, -1)
range: [-5, 4]

Step-by-step explanation:

You have correctly determined the domain to be from x = -6 to x < -1. In interval notation, that would be ...

[-6, -1)

The range is the vertical extent of the graph. It extends from a minimum of y = -5 to a maximum of y = +4 at the top of the curve. In interval notation, that would be ...

[-5, 4]

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2 years ago

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Answer: The class raises at least $700.

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