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3 years ago

Evaluate. 102+6⋅7+8 70142150190

2 answers:

6 0

Hi.

102+6(7)+8 (your equation)
102+ 42+ 8 (since the order is PEMDAS, multiplication has to go first. 6x7=42
144 + 8 (since you go left to right, 102 +42 has to be 1st. Answer= 144)
152 (now the only thing left is 144 + 8, so do that. Answer= 152.)

Since that's the last step, 152 will be your answer.

Hoped I helped and if you need anymore you could always ask me~

-Dawn

Alinara [238K]3 years ago

3 0

Answer:

150

Step-by-step explanation:

The 102 was supposed to be 10². I know this because it was on my test. (I'm in 6th grade, I made this acc for my bro tho. I'm ahead of my class TWT)

Step-by-step solving:

10² + 6 • 7 + 8

100 + 6 • 7 + 8

100 + 42 +8

142 + 8

150

(Bolded is the part of the expression being solved)

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Position to term rule of 2, 6, 10, 14, 18 multiply by _____ and subtract by _____

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Answer:

Please check the explanation.

Step-by-step explanation:

Given the sequence

2, 6, 10, 14, 18

An arithmetic sequence has a constant difference and is defined as

$\:a_n=a_1+\left(n-1\right)d$

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$6-2=4,\:\quad \:10-6=4,\:\quad \:14-10=4,\:\quad \:18-14=4$

The difference between all the adjacent terms is the same.

Thus,

$d=4$

and

$a_1=2$

Therefore, the nth term is computed by:

$a_n=4\left(n-1\right)+2$

$a_n=4n-2$

Thus, position to term rule of 2, 6, 10, 14, 18 multiply by __4___ and subtract by __2__.

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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3 years ago