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sasho [114]
3 years ago
7

A rectangular prism is 15 centimeters long, 2 centimeters wide, and 6 centimeters high. What is the surface area of the rectangu

lar prism?
Mathematics
1 answer:
Alex787 [66]3 years ago
3 0
SA = 2lw + 2lh + 2hw

SA = 2(15)(2) + 2(15)(6) + 2(6)(2)

SA = 60 + 180 + 24

SA = 264
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Please help me solve---- -20-(4x-1)=-15
nikklg [1K]
I hope this helps you -20-(4x-1)=-15 -20-4x+1=-15 -20+1+15=4x -4=4x x=-1
7 0
3 years ago
The distance from Kenya's house to her job is 18 miles. One morning she left her house at 7:15 a.m. She traveled at the rate of
Snezhnost [94]

20 minutes = 1/3 of an hour

1/3 = 0.333

 1/3 x 45mph = 15, so she drove 15 miles at 45mph

18-15 = 3

3 miles/ 20 mph = 0.15 hours


0.333+0.15 = 0.483 hours total

0.483 x 60 = 28.98 so approximately 29 minutes total driving time

7:15 + 29 minutes is 7:44 am she arrived at work

8 0
3 years ago
I need help with #11 and #12 how do I do this?
USPshnik [31]

Answer:

  11. x = 6; y = 6.5

  12. x = 2; y = 4

Step-by-step explanation:

In each figure, the hash marks on the lines indicate the parallel lines (marked with red arrows) are equally-spaced. That means the two expressions involving x are equal to each other, and the two expressions involving y are equal to each other.

__

11. 2x +1 = x +7

  x = 6 . . . . . . . subtract (x+1) from both sides

and

  3y -8 = y +5

  2y = 13 . . . . add (8-y) to both sides

  y = 6.5 . . . . divide by the coefficient of y

__

12. x +3 = 3/2x +2

  1 = 1/2x . . . . . subtract (x+2)

  2 = x . . . . . . . multiply by 2

and

  2y -1 = 3y -5

  4 = y . . . . . . add (5 -2y)

8 0
3 years ago
Read 2 more answers
Can you help me find the composition of funtions​
balandron [24]

where's the question? x

6 0
3 years ago
Please help me! Need help! I will give brainliest.
alexandr1967 [171]

Answer:

A I think

Step-by-step explanation:

7 0
2 years ago
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