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serious [3.7K]
3 years ago
11

Solve and describe the graph of the inequality: j + 16 ≥ -21

Mathematics
2 answers:
Doss [256]3 years ago
4 0

Answer:

Subtract 16 from both sides: j ≥ -37; the graph would be a closed circle on -37 with an arrow pointing to the right.

Step-by-step explanation:

it was on my test and thats what it said was correct

liraira [26]3 years ago
3 0

Answer:

j ≥ -37

Step-by-step explanation:

j + 16 ≥ -21

move constant to the right hand side and change its sign

j ≥ -21 - 16

calculate the difference (subtract)

j ≥ -37

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The ratio of boys to girls in a school is 5:4. if there are 500 girls , how many boys are there in the school?
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Answer:

The number of boys in the school is;

625

Explanation:

Given that the ratio of boys to girls in a school is 5:4;

5\colon4

And there are 500 girls in the school.

The number of boys in the school will be;

\begin{gathered} \frac{B}{G}=\frac{5}{4} \\ G=500 \\ B=\frac{5\times G}{4}=\frac{5\times500}{4} \\ B=625 \end{gathered}

Therefore, the number of boys in the school is;

625

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1 year ago
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Factor out y from (xy-3y) and get (3-x)y=2+2x - now divide both sides by (3-x) resulting in y=2+2x/3-x .
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