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Monica [59]
3 years ago
13

A triangular prism is shown. What is the surface area of the triangular prism?

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
5 0

Answer:

Area= 840

Step-by-step explanation:

Area= (20x13)x2+(10x12x1/2)x2+10x20

=520+120+200

=840

  • Area=Two area of the triangle [13x20] + Two area of the rectangle + Under area (rectangle)- [10x20]
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Solve the following word problem using any method. Show your work.
VLD [36.1K]
Let's set up two equations:
x+y=20             We know she brought total of 20, some of each so x=small y=big
20x+ 30y=450
 
 x+y= 20
   -y    -y
 ------------
 x= 20 -y

substitute into the other equation:    
20 (20-y) + 30y = 450
400 - 20y + 30y = 450
400+ 10 y = 450
10 y = 50
y= 5

So she brought  5 big cases.  Then substitute the value of y into one of the equations.

5+ x = 20 
x= 15

So we bought 15 small cases and 5 big cases. 

Hope this helps! Please give me the brainliest answer if you like it! If you have further questions, please leave a comment or add me as a friend!


5 0
3 years ago
Read 2 more answers
FIND THE UNIT RATE. SHOW YOUR WORK. <br> 180 miles in 3 hours
poizon [28]
180/3
60/1
Answer: 60 mph
8 0
3 years ago
A field in the shape of a trapezoid has an area of 13.687.5 square yards the length of one base is 150 yards and the length of t
AURORKA [14]

This question is not correctly written

Complete Question

A field in the shape of a trapezoid has an area of 13,687.5 square yards the length of one base is 150 yards and the length of the other base is 215 yards what is the height of the trapezoid

Answer:

The height of the trapezoid is 75 yards

Step-by-step explanation:

Area of a Trapezoid = 1/2(b1 + b2) × h

Where b1 = Length of the first base

b2 = Length of the second base

h = height of the trapezoid

From the question

Area of the trapezoid = 13,687.5 yd²

b1 = Length of the first base = 150 yards

b2 = Length of the second base = 215 yards

h = height of the trapezoid

Hence, we have

13,687.5 = 1/2(150 + 215)h

13,687.5 = 365h/2

13,687.5 × 2 = 365h

h = 13687.5 × 2/365

h = 75 yards

Therefore, the height of the trapezoid is 75 yards.

7 0
4 years ago
A professional baseball team won 84 games this season . The team won 14 more games than it lost. Therwe qere no ties how many ga
Natalka [10]

We are given the professional baseball team won = 84 games.

Let us assume the team loss = x games.

According to problem, "the team won 14 more games than it lost".

14 more than x could be given by expression " x+14".

Therefore, we can setup an equation

x+14 = 84.

Subtracting 14 from both sides, we get

x+14-14 = 84 -14

x = 70.

Team loss = 70 games.

Total number of games played = Number of games win + number of games loss.

= 84 +70 = 154 games.

Therefore, total 154 games were played.

7 0
3 years ago
Please answer this correctly and i will give brainliest​
leonid [27]

Answer:

1. D

2.C

3.D

4.D

5.C

6.A

7.B

7 0
3 years ago
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