MATHEMATICS HIGH SCHOOL

The Wilsons have triplets and another child who is fifteen years old. The sum of the ages of their children is 36. How old are the triplets?

Answers

Answer 1

Answer:

the answer is 37-10=27/3=9

Answer 2

Answer:

Answer:

Step-by-step explanation:

The Wilsons have triplets and another child who is 15. Since their ages all add up to 36, we can first start off with subtracting 15 from 36.

36 - 15 = 21

Now we can divide the amount we have from the rest amount of kids, since they are triplets, they are 3:

21 / 3 =

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It is 8/10 mile from liz's house to the market. Liz walked 6/10 mile, stopped for a break, and walked the rest of the way to the market. Which equation represents liz's walk?
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Peter drove 300 miles in 5 hours. Jane drove 400 miles in 8 hours. Who drove at a higher speed?

A.
Jane

B.
Peter

Answers

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Jane = 400/8=50mph

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Sonny substituded 5 for x in the proportion 16/x =48/15 and cross to multiply to get 240 =240 why is this?

Answers

If x = 5 then 5*48 = 240 and 16*15 equals 240 equals eachother.

Another perspective: Divide 16 by 5 then divide 48/15

16/5=3.2 48/15=3.2 Hence the porportions are the same.

Help please!! Solve for r in the following equation: 5r−r−9=15
What does the equation look like now?
Use your answer and finish solving the equation for r.

r=

Answers

Answer:

r=6

Step-by-step explanation:

subtract r from 5r to get 4r, and add 9 to the other side, 4r=24, divide 24 by 4 to get 6

Find the common ratio for the following sequence.

0.1, 0.01, 0.001, ...

Answers

Well, you divide by 10 each time, so a common ratio is 1/10. Haven't done this in a while so. Not entirely sure

Which of the following expressions is the inverse of the function y equals quantity x minus 2 divided by 3

Answers

$y=(x-2)/(3)\ \ \ \ |change\ x\to y\ and\ y\to x\n\nx=(y-2)/(3)\to(y-2)/(3)=x\ \ \ \ |multiply\ both\ sides\ by\ 3\n\ny-2=3x\ \ \ \ |add\ 2\ to\ both\ sides\n\n\boxed{y=3x+2}\leftarrow answer$

Justine filled quart jars with 248 pints of juice. How many quart jars did Justine need?

Answers

124 quart jars.
2 pints are in a quart.
To have 248 pints of juice.
Take 248 divided 2 and that gets you 124 quart jars

124 jars cuz 248=124

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