2 years ago

What is the sum of the first five terms in the series 7+12+17+..?

1 answer:

3 0

7 + 12 + 17 + 22 + 27 = ( 7 + 27 ) + ( 12 + 22 ) + ( 34 / 2 ) = ( 34 / 1 ) + ( 34 / 1 ) + ( 34 / 2 ) = ( 68 / 2 ) + ( 68 / 2 ) + ( 34 / 2 ) = 170 / 2 = 85 .

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There can be more than one answer

DerKrebs [107]

Answer:

c and b

Step-by-step explanation:

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3 years ago

I still don't get how to do this: Solve for t then simplify your answer. -6/5t=9

stepladder [879]

Answer:

t= $\frac{-15}{2}$

Step-by-step explanation:

Multiply both sides by 5/(-6).

$\frac{5}{-6}$ * $\frac{-6}{5}$ = $\frac{5}{-6}$ *9

ik the doesnt rlly make any sense but hope this helps

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3 years ago

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If f(x) = 3x – 2 and g(x) = 2x + 1, find (f + g)(x). please help :C

Luba_88 [7]

(f+g)(x) = f(x) + g(x)

(f+g)(x) = 3x-2 + 2x+1

(f+g)(x) = (3x+2x) + (-2+1)

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2 years ago

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In the figure, a ll b and m 6 = 146 degrees <br><br> What is the m 2?

Art [367]

Answer:

∠2 = 146°

Step-by-step explanation:

∠2 and ∠6 are corresponding angles and are congruent, hence

∠2 = ∠6 = 146°

7 0

2 years ago

Evaluate the following expression if x= 2.14<br> 3.35x + 25 - 2x

prohojiy [21]

Answer:

The final answer is 27.889 (Feel free to round it)

Step-by-step explanation:

3.35 x 2.14 = 7.169

7.169 + 25 = 32.169

2 x 2.14 = 4.28

32.169 - 4.28 = 27.889

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

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2 years ago

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