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Solnce55 [7]
3 years ago
15

Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0

Answer:

270 yds squared    

Step-by-step explanation:

You need to area of each of the shapes that make up the triangular prism. So, the side triangles, the back rectangle, the bottom rectangle and the top rectangle.

Side triangle (1x): base*height/2

12*5/2

60/2

30 yds, 60 yds for both sides.

Back rectangle: length*width

5*7

35 yds

Bottom Rectangle: length*width

7*12

84 yds

Top rectangle: length*width

7*13

91 yds.

To get the final answer, you add the surface areas together to get the final amount of yards: 30+30+35+84+91= 270 yds squared. Hope this helps.

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If sally got 28 questions correct and received 70% on the exam, how many questions were on the exam
Furkat [3]

Answer: 40

Step-by-step explanation:

Number of correct questions Sally got = 28 questions

Percentage of correct questions answered= 70% on the exam,

Total number of questions in the exam = Unknown

Let the total questions in the exam be represented as y.

Since Sally got 70% correctly, this will be:

70% of y = 28

70/100 × y = 28

0.7 × y = 28

0.7y = 28

Divide both side by 0.7

0.7y/0.7 = 28/0.7

y = 40

There are 40 questions in the exam.

7 0
3 years ago
From Kansas City to Denver is twice as far as from Kansas City to St. Louis the two distance together total 900 miles what are t
BARSIC [14]

Answer:

KC to StL = 300

KC to Den = 600

Step-by-step explanation:

KC to StL was the base distance, so we'll call that x.

KC to Denver is twice as long, so we'll call that 2x.

If we add the together is is 900 miles total.

x + 2x = 900    Combine like terms

3x = 900          Divide by 3

x = 300

If x is 300, then 2x is 600.

4 0
2 years ago
Help w algebra please
hjlf
The correct answer is C
6 0
3 years ago
Please help fast!! A, B, C or D?
MakcuM [25]

Answer:

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4 0
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5. Austin left for school at 7:35 A.M He arrived at school 15 minutes later. What time did Austin arrive at school?
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Answer:

He arrived at school at 7:50

Step-by-step explanation:

15 plus 7:35 is 7:50


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