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mel-nik [20]
3 years ago
9

Multiply n by 3 than square the result

Mathematics
2 answers:
ikadub [295]3 years ago
8 0
The equation would be: (n3) ^{2}
Gre4nikov [31]3 years ago
5 0
So,

"Multiply n by 3"
n * 3 or 3n

"square the result"
3n^2
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Brian needs $315 to buy a new cell phone. He has already saved $115 and plans to save an additional
Juliette [100K]

Answer:

34 weeks

Step-by-step explanation:

Hello!

We can set up an equation to solve for the number of weeks.

Let w = the number of weeks he is saving up.

The equation is 315 = 115 + 10w - 140

  • 315 is the target amount
  • 115 is the current amount
  • 10w is the rate of growth
  • 140 is the current debt

<h3>Solve for w</h3>
  • 315 = 115 + 10w - 140
  • 315 = -25 + 10w
  • 340 = 10w
  • 340/10 = w
  • 34 = w

He needs to save up for 34 weeks.

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2 years ago
Kenneth ran a marathon (26.2) miles) in 5.5 hours. What was Kenneth’s average speed? (Round your answer to the nearest tenth.)
Serga [27]

Answer:

4.8 miles per hour.

Step-by-step explanation:

Average speed=Total distance/Time taken

=26.2miles/5.5hour

=4.8 miles per hour

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3 years ago
The line L passes through the points (5, -5) and (1, 2).<br> Find the gradient of line L.
Free_Kalibri [48]

gradient of L = -7/4

Explanation:

\sf gradient = \dfrac{y_2-y_1}{x_2-x_1}

<u>Insert the following values.</u>

\rightarrow \sf \dfrac{2-(-5)}{1-5}

\rightarrow \sf \dfrac{7}{-4}

\rightarrow \sf -\dfrac{7}{4}

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C.) the company will have 25 customers every 3 days.

Step-by-step explanation:

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The answer is 16.2%
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