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2 years ago

Hi hi um help. i'm too tired to think.

Mathematics

2 answers:

leva [86]2 years ago

5 0

Answer:

I think 66?

I hope it is if it’s not I’m sorry

Step-by-step explanation:

ValentinkaMS [17]2 years ago

4 0

Felt lol. but if i’m not mistaken it would be 66. feel free to bully me if i’m wrong

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3 years ago

What is the least common multiple of 31, 28, and 14?

WINSTONCH [101]

<u>⇨ By prime factorization method:</u>

$\begin{array}{r | l}{\sf{2 & {\sf14,28,31} \\\cline{2-2} {\sf2 & {\sf7,14,31 \\\cline{2-2} {\sf7 & {\sf7,7,31 \\\cline{2-2} {\sf31 & {\sf1,1,31 \\\cline{2-2} & {\sf1,1,1\end{array}$

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2 years ago

The fourth term in an arithmetic sequence is 18 and the seventh term is 39. If the first term is a1 , which is an equation for t

evablogger [386]

Answer:

Step-by-step explanation:

The nth term: $a_n=a_1+d(n-1)$

So:

a₄ = a₁ + 3d

18 = a₁ + 3d ⇒ 3d = 18 - a₁

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39 = a₁ + 2(18 - a₁)

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3 years ago