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max2010maxim [7]
3 years ago
5

Which of the following is the solution to 31 %-12 12?

Mathematics
1 answer:
stellarik [79]3 years ago
4 0

Answer:

I think so, but don't lose sight

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PLEASE HELP ME 20 PTS
podryga [215]

Answer:

The answer is C

Sn=3(1-1/2^n)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Colin and Brian were playing darts. Colin scored 91. Brian scored 9 more than Colin. What was their combined score?
Sloan [31]
Answer:
The combined score was 191
Explanation:
91 (Colin’s score) + 9 (how many more Brian had than Colin) = 100 (Brian’s score)
91 (Colin’s score) + 100 (Brian’s score) = 191 (combined score)
6 0
2 years ago
A chef made 30 donuts in 60 minutes. How long would it take him to<br> make 90 donuts?
Snowcat [4.5K]

\bf \begin{array}{ccll} donuts&minutes\\ \cline{1-2} 30&60\\ 90&x \end{array}\implies \cfrac{30}{90}=\cfrac{60}{x}\implies \cfrac{1}{3}=\cfrac{60}{x}\implies x=180

6 0
3 years ago
Read 2 more answers
Which situation is most likely to have a constant rate of change?
Vera_Pavlovna [14]

Answer:

b

Step-by-step explanation:

each brick is the exact same size.

(Also can I please have brianliest? I need it to level up!!!)

3 0
3 years ago
How do you solve You earn 15n 15n dollars for mowing n lawns. How much do you earn for mowing one lawn? Seven lawns?
Rudik [331]

Answer:

$15 for a lawn, $105 for seven lawns.

Step-by-step explanation:

The question is about the direct ratio problem. Logically, you will earn more if you mow more lawn.

The scheme for this ratio is given below:

15 n_________n lawns

   x_________ 1 lawn

x=\frac{15n*1}{n} = 15

You will earn 15 dollars for mowing a lawn


When you mow 7 lawns, the scheme will be in this manner:

15 n__________n lawns

    x__________7 lawns

x=\frac{15n*7}{n}=105

You will earn 105 dollars

8 0
3 years ago
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