Which numbers are a distance of 3 units from 12 on a number line? Solect each correct answer// a. 3 b. 9 c. 15 d. 0 e. -9 f. -15

Mathematics

2 answers:

Sladkaya [172]3 years ago

5 0

Answer:

c. 15 and b. 9

Step-by-step explanation:

It's only 15 because 12+3 is 15. 15 is three steps away from 12 on a number line. The other one would be 9 because it is backwards three from 12 on a number line. 12-3 is 9. So your answers would be 15 and 9 (c and b)

Vesnalui [34]3 years ago

3 0

Answer:

The 3 units from 12 on a number line is 4units

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There are 620 students and 31 teachers at the Turner Middle School.There are 950 students and 38 teachers at the Green Middle Sc

kicyunya [14]

We begin with the Turner Middle School:
Ratio of students to teachers: $\frac{620}{31}$
Green Middle School:
Ratio of students to teachers: $\frac{950}{38}$
Let check that we cannot form a proportion:
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The two ratios are not equals so we cannot form a proportion.
Let x be the number of teachers that Green have to hire in order to make the two ratios equal. We get the equation:
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Part-to-whole ratio:
Turner Middle School:
$\frac{620}{31+620}$
Green Middle School:
$\frac{950}{38+950}$

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3 years ago

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Gemiola [76]

10 is the right answer

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