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UkoKoshka [18]
3 years ago
12

What is the surface area of the right rectangular prism with square bases

Mathematics
2 answers:
aliina [53]3 years ago
7 0

Answer:

288 cm^2

Step-by-step explanation:

BartSMP [9]3 years ago
5 0

Answer:

210 cm²

Step-by-step explanation:

SA = Ph + 2B

where SA = surface area

P = perimeter of the base

h = height of the prism

B = area of the base

SA = [(8 + 8 + 8 + 8)(5) + 2(5²) ]cm²

SA = 210 cm²

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The sum of two numbers is 90. Their difference is 18. Find<br> the numbers.
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Answer:

36 & 54

Step-by-step explanation:

<em><u>By </u></em><em><u>Question</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

  • Sum of numbers = 90 .
  • Difference of numbers = 18 .

<em><u>Let </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

  • First Number be x .
  • Second number be y .

<em><u>According</u></em><em><u> to</u></em><em><u> </u></em><em><u>1</u></em><em><u>s</u></em><em><u>t</u></em><em><u> </u></em><em><u>condition</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies x + y = 90

<u>According</u><u> to</u><u> </u><u>2</u><u>n</u><u>d</u><u> </u><u>condition</u><u> </u><u>:</u><u>-</u><u> </u>

: \implies x - y = 18

<em><u>Adding</u></em><em><u> the</u></em><em><u> </u></em><em><u>equations</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies 2x = 18 + 90

: \implies 2x = 108

: \implies x = 54

<em><u>Therefore</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies First number = 54

: \implies Second number = 36

5 0
3 years ago
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Your weekly base salary is $150. You earn $20 for each phone you taht you sell. The company policy is that as a part-time employ
Eduardwww [97]

Answer:

You can sell at least 40 phones each week.

Step-by-step explanation:

Given that:

Weekly base salary = $150

Earning on each phone = $20

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Let,

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Dividing both sides by 20

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Hence,

You can sell at least 40 phones each week.

6 0
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