Why can you use a model to check your answer for a division problem

1 answer:

7 0

If multiplication and retracing your track count as a model I believe it's good to see what you did wrong and to see what the answer really should bee

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What is the value of n?<br><br> 40= -5n/8<br><br> n=________

vodka [1.7K]

40 = -5 × $\frac{n}{8}$

First, simplify 5 × $\frac{n}{8}$ to $\frac{5n}{8}$ / Your problem should look like: 40 = $-\frac{5n}{8}$
Second, multiply both sides by 8. / Your problem should look like: 320 = -5n
Third, divide both sides by -5. / Your problem should look like: $\frac{320}{-5}$ = n
Fourth, simplify $\frac{320}{-5}$ to $- \frac{320}{5}$ / Your problem should look like: $-\frac{320}{5}$ = n
Fifth, simplify $\frac{320}{5}$ to 64. / Your problem should look like: -64 = n
Sixth, switch sides. / Your problem should look like: n = -64

Answer: n = -64

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3 years ago

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the values in the table represent a linear function. what is the common difference of the arithmetic sequence x: 1 2 3 4 5 y: 11

GenaCL600 [577]

Answer:

common difference: 14

Step-by-step explanation: You have to find out what number it takes to add to the number to get the following number. ex 11+14=25 25+14=39 etc

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3 years ago

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The lower base of the frustum shown is a square 8 ft on each side. The upper base is a square 4 ft on each side. If the altitude