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sladkih [1.3K]
3 years ago
9

Solve each of these equations. Explain or show your reasoning.

Mathematics
1 answer:
defon3 years ago
4 0

Answer: Answers are in the pictures

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a triangle has sides with lengths of 5x-7, 3x-4, and 2x-6. what is the simplified expression for t h e perimeter of the triangle
Zielflug [23.3K]
Perimeter\ of\ the\ triangle:\\\\(5x-7)+(3x-4)+(2x-6)=5x+3x+2x-7-4-6=\boxed{10x-17}

3 0
4 years ago
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ben drives from a 36- foot platform. The equation h= -16t^2+14t+36 models the dive. How long will it take Ben to reach the water
Valentin [98]
So you want to plug in the height for h and solve for t

36 = -16t^2+14t+36
So you get 14/16 which simplifies to
7/8 seconds

Hope this helped!
6 0
3 years ago
I need help with all these problems and need to know is the ones I did correct
never [62]
The answers are 5:30 6:20 8:120
7 0
4 years ago
Please help, will give brainliest!!
bogdanovich [222]

Answer:

15°

Step-by-step explanation:

sum of exterior angles=360°

each angle=360/24=15°

b

20 ×n=360

n=360/20=18

18 sides

c.

(n-2)×180=174n

180n-174n=360

6 n=360

n=360/6=60

number of sides =60

5 0
4 years ago
Hello~<br>I need help !​
sertanlavr [38]

#1

Write in distributive form

  • 48=40+8

Place value of 4 is 10

#2

Here

  • 8>12>21>32

32 is greatest

#3

15<26<37<52

  • 15 is smallest

#4

Any number multiplied by 0 yeilds 0

  • 86×0=0

#5

Cost:-

  • 9(8)=72

5 0
2 years ago
Read 2 more answers
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