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Shkiper50 [21]
3 years ago
15

Write an equation for the sentence "The product of a number n and 7.7 equals 112.42." Solve for the variable.

Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0

Answer:

7.7n=112.42

n=14.6

Step-by-step explanation:

The product is the result obtained by multiplying two factors. Then, the sentence ""The product of a number n and 7.7 equals 112.42" can be expressed with the following equation:

7.7n=112.42

To solve for the variable "n", you has two apply the Division property of equality and divide both sides of the equation by 7.7

Therefore, the value of "n" is:

\frac{7.7n}{7.7}=\frac{112.42}{7.7}\\\\n=14.6

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Ryan runs 3 miles in 28 minutes. at the same rate, how many miles would he run in 42 minutes?
Sphinxa [80]
If 3mile=28 min
x mile=42 min
cross multiply
x=3/28
therefore if 3/28=1 min
then x mile= 42 min
cross multiply
42 x 3/28 =21 x 3/14
                =3 x 3/1
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The answer is 9 miles
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3 years ago
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I need help with please
Tcecarenko [31]

Answer:

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Step-by-step explanation:

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First, you want to combine like terms.

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Another way to write this would be x - 2, because you can simplify it by dividing it by 6.

7 0
3 years ago
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yawa3891 [41]

Answer:

The edge length will be equal to 4 inches.

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