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irina1246 [14]
3 years ago
7

PLEASE HELP! I WILL GIVE BRAINLYEST TO WHOEVER ANSWERS FIRST! PLEASE PLEASE BE QUICK! thank you! and please include explanation

cause i need to learn to do it for my other problems! THANK YOU!!!!
Find the surface area of the prism.

Mathematics
1 answer:
katrin2010 [14]3 years ago
4 0

Answer:

A=920 ft.

Step-by-step explanation:

Using the formulas

A=2AB+(a+b+c)h

AB=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving for A

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=8·20+17·20+15·20+1

2·﹣84+2·(8·17)2+2·(8·15)2﹣174+2·(17·15)2﹣154=920

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Help me with this question please!<br> (Look at image!)
castortr0y [4]
A and D are the solutions that make the inequality true.
6^2= 36
9^2= 81
10^2= 100
-4^2= 16
-9^2+ 81
-12^2= 144
3 0
3 years ago
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A golfer exerts a force of 15.0 N on a golf ball that has a mass of 0.42 kg. What is the golf
Gala2k [10]

Answer:

35.71m/s²

Step-by-step explanation:

using the formula force(F)=mass(m)×acceleration(a)

a =

\frac{f}{m}

F=15.0N

m=0.42kg

a=?

a=15÷0.42

a=35.71m/s²

5 0
3 years ago
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There are three consecutive integers. The sum of the first two is 51 more than the third. Find the integers.
Sauron [17]

Answer:

52,53,54

Step-by-step explanation:

x, x+1, x+2

2x+1=x+53

x+1=53

x=52

x+1=53

x+2=54

3 0
3 years ago
Helppppppppppppppppppppppppppppp
mafiozo [28]

Answer:

1.) x=3  2.)n= -1/4 3.) h=7

Step-by-step explanation:

8 0
2 years ago
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Please help me!!!!!!!!
ValentinkaMS [17]

<u>Answer</u>


A) 7.3 in.



Explanation

The area of a triangle = 1/2 ×base length × height

In the question given, base length = height = x

Area = 27 in²

1/2 × x × x =27

1/2×x²=27

x² = 54

x = √54

= 7.3485 in²

4 0
3 years ago
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