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iogann1982 [59]
3 years ago
5

Robert sketches two rectangular prisms, A and B. Prism A's side lengths are 5 centimeters, 6 centimeters, and 7 centimeters. Pri

sm B's side lengths were twice those of prism A's: 10 centimeters, 12 centimeters, and 14 centimeters. Robert says the surface area of prism B is twice the surface area of prism A. Is he correct? If he is not, how many times as great as prism A's surface area is prism B's surface area? Drop down box answers are correct/incorrect.

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

90

Step-by-step explanation:

10+67

7586+65

576845=8757685

2+88=90

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anyanavicka [17]

Answer:

22

Step-by-step explanation:

it is epuivalet

5 0
3 years ago
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In a pre algebra class containing 40 students, there are 18 freshmen, 19 sophomores, and 3 juniors. What fraction of the class a
dezoksy [38]

\frac{9}{20} of the class consists of freshmen.

Step-by-step explanation:

Given,

Total number of students = 40

Number of freshmen = 18

Number of sophomores = 19

Number of juniors = 3

Fraction of freshmen = \frac{Number\ of\ freshmen}{Total\ number\ of students}

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\frac{9}{20} of the class consists of freshmen.

Keywords: fraction, division

Learn more about fractions at:

  • brainly.com/question/10712420
  • brainly.com/question/10744457

#LearnwithBrainly

7 0
3 years ago
Can someone help me solve this question? It’s similar to the previous ones! Thank you!
luda_lava [24]

Answer:

\boxed{\sf \ \ \ (-2x+-9)(1x+3)=-2x^2-15x-27 \ \ \ }

the coefficient c is -27

Step-by-step explanation:

hello

(-2x+-9)(1x+3)=(-2x-9)(x+3)=-2x(x+3)-9(x+3)=-2x^2-6x-9x-27\\=-2x^2-15x-27

hope this helps

8 0
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Aleksandr-060686 [28]

Answer:

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