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Colt1911 [192]
3 years ago
9

HELP ME ME ME HELP ME ME​

Mathematics
1 answer:
marishachu [46]3 years ago
5 0
I’m not super sure but i think is the 3rd choice
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Evaluate 15r -1 when r=5
alukav5142 [94]

Answer:

74

Step-by-step explanation:

You just have to substitute r with 5.

Now, the equation looks like this:

15(5)-1

Next, solve 15*5 first according to PEMDAS

And 15*5 equals 75

\frac{\left[\begin{array}{ccc}1&5\\5\\\end{array}\right] }{75}

Lastly, do 75-1 which equals 74

\frac{\left[\begin{array}{ccc}7&5\\-1\\\end{array}\right] }{74}

Therefore, 74 is your answer.

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Blank - 2 1/3 = 3 1/3 please help I need to finish my homework :(
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What is the length of angle EF in the right triangle below?
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