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worty [1.4K]
3 years ago
9

Genevieve is 3 years older than twice her brother's age. Genevieve is 21 years old. Write an equation to find her brother's age.

​
Mathematics
1 answer:
vfiekz [6]3 years ago
3 0
Her brother is 9.

Because she is 3 years older than half his age, subtract 3 - 21. This gives 18. Then divide 18 / 2. This gives 9.
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If stamps are $0.30 how many stamps can Janice buy with $7.20
snow_lady [41]
Divide the total amount of money Janice has by the cost of the stamps.

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7 0
4 years ago
SOLVE THE INEQUALITY -X/7+ 4 ≥ 3X A. x ≤ 14/11 B. x ≤ 2/5 C. x ≤ 2/1 D. x ≥ –1
Mrrafil [7]

You can eliminate fractions by multiplying the whole thing by 7.

... -x +28 ≥ 21x

Now, add x to get all x-terms on the right. Then, divide by the coefficient of x.

... 28 ≥ 22x

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7 0
3 years ago
If x = 14, which equation is true?
Brrunno [24]

Answer:

C

Step-by-step explanation:

Simply plug in x for all the questions to see if the x is the solution

A.) 3(20-14) = 44

3(16)=48

so A is incorrect

B.) 3(12-14) = 6

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so B is incorrect

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C is correct

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4 0
3 years ago
Read 2 more answers
Which fraction
fiasKO [112]

Answer:

14/3

Step-by-step explanation:

When 56 shares are evenly distributed between 12 people, each person gets equal number of shares.

The number of shares gotten by each person is the ratio of the total number of shares to the total number of people. It is given by the formula:

number of shares gotten by each person = total number of shares / total number of people

number of shares gotten by each person = 56 shares / 12 people

number of shares gotten by each person = 14/3 shares

6 0
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mario62 [17]
Area= 1/2 base x height

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Area= 40/2

Area= 20cm^2
8 0
4 years ago
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