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lord [1]
2 years ago
9

If the expression is 2m+n and m=16 and n=7 what is the value of the expression?

Mathematics
2 answers:
maksim [4K]2 years ago
6 0
The answer is 39
multiply 2 and 16 together to get 32. then add 7 and you get 39
dimulka [17.4K]2 years ago
4 0

Answer: 39

Step-by-step explanation:

Put 16 in parentheses next to the 2 and multiply them together then add that to 7  which is 39.

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-8(r-2)=40 what is the answer to this equation
Elena-2011 [213]
The answer is r=-3. You use the distributive property which is basically multiplying -8 with all the numbers inside the parenthesis. So -8 x r and -8 x -2. This results to -8r+16=40 (Two negative numbers multiplied together will form a positive number). We use inverse operations to subtract 16 from both sides. 16-16 is 0 and 40-16 is 24. So we are left with -8r=24. We want to be left with only r, so we once again use inverse operations to divide -8 from both sides. -8/-8 is 1, and 24/-8 is -3. So we end up with r=-3. Hope this helped :]
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3 years ago
Using the difference in perfect squares completely factor the binomial x^2-121
Murrr4er [49]

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Step-by-step explanation:

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igor_vitrenko [27]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Which graph represents the function y = 4?<br><br> A) A <br> B) B <br> C) C <br> D) D
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5 0
3 years ago
1: A woman buys a car making a $3,000 down payment and then agrees to make 48 monthly payments of $360. What is the total cost o
katrin [286]

Answer:

1. $20280

2. 117 h

Step-by-step explanation:

1.

to know the value of the car we have to add all the monthly payments with the $ 3000 that she paid at the beginning

x =  car value

x = $3000 + 48 * $360

x = $3000 + $17280

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2.

To know how many hours I work in total we have to add the hours I work in each day 5 times with the 57 hours I work the following week

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x = 5 * 12 + 57

x = 60 + 57

x = 117

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3 years ago
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