4 years ago

No work needed!! Just answers, thank you! 25 points!!

Mathematics

1 answer:

Maurinko [17]4 years ago

3 0

Answer:

Step-by-step explanation:

$S_{31} = 9 \cdot 31 + [-0.5 \cdot \frac{31(31-1)}{2}] = 46.5$

$S_{40} = 40 + [-3 \cdot \frac{40(40-1)}{2}] = -2300$

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Pls help me on this question

astraxan [27]

Answer:

h < 2

Step-by-step explanation:

Step 1: Distribute

10h + 40 < 60

Step 2: Subtract 40 on both sides

10h < 20

Step 3: Divide both sides by 10

h < 2

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3 years ago

Kwasi has earned $60 in babysitting money. He spends 40% of this money buying drinks for himself and two friends at Starbucks. H

mart [117]

Answer: Yes

Step-by-step explanation:

Given

Kwasi earned $\$60$ in babysitting

He spends 40% of the money in buying drinks

Money spend is given by

$\Rightarrow 60\times 40\%\\\Rightarrow \$24\\\text{Remaining amount is}\\\Rightarrow 60-24=\$36$

So, Kwasi has enough money left to buy a skateboard.

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olga_2 [115]

Answer:

y = 12x

Step-by-step explanation:

The shirts sell for $12 each, so the income equation is

y = 12x

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ad-work [718]

C = 1/4 y + -1/4 is the answer

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guapka [62]

Answer:

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Step-by-step explanation:

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