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alex41 [277]
3 years ago
14

Help me lawd!!!!!!!jkdmfkfm

Mathematics
1 answer:
Klio2033 [76]3 years ago
6 0
This is equivalent to:

(2.2533/2.59)(10^8/10^4)

(0.87)(10^4) which is:

0.87X10^4  which is equal to:  

0.87X10000 which is equal to:

8.7X1000  and since 1000=10^3 we can say:

8.7X10^3
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Points A, B, and C are collinear. Point B is between A and C. BC=8x+709. AB=487+5x. AC=91. Find BC.
Zolol [24]

Answer:

<h3>            BC = 29</h3>

Step-by-step explanation:

Point B is between A and C and the points A, B, and C are collinear so:

AB + BC = AC

487 + 5x + 8x + 709 = 91

  13x + 1196 = 91

       - 1196      - 1196

   13x  =  - 1105

     ÷13     ÷13

    x = - 85

BC =  8x + 709 = 8(-85) + 709 = - 680 + 709 = 29

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3 years ago
(20 POINTS!!!!) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What portion of the house can th
Mariulka [41]
Answer: 7/12 portion

Explanation:

Jack can paint:

1 house = 3hr
1/3 portion= 1hr

Jill can paint:

1 house = 4hr
1/4 portion = 1hr

Both of them together can paint in 1 hour:

1/3 + 1/4 = 3/12 + 4/12 = 7/12 portion in 1hr
5 0
3 years ago
Read 2 more answers
Help plss I will mark brain liest​
djyliett [7]

Answer:

2π

Step-by-step explanation:

Period is the time it takes for the wave to reach one full cycle, which is the distance between the adjacent crests. The first crest is at 0 and the second crest is at 2π. Therefore, it takes 2π seconds to complete a full cycle. Hope this helps!

5 0
3 years ago
What are the solutions of this system of equations? Select all that apply. y = x2 − x − 3 y = −3x + 5
goldfiish [28.3K]
What are the solutions of this system of equations? Select all that apply. y = x2 − x − 3 y = −3x + 5

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In April, the water level in a mountain reservoir increased 0.6 m as the snow began to melt. In May, the water level increased a
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Step-by-step explanation:

x+0.6+0.3-0.2=14.2

x+0.7=14.2

x=14.2-0.7

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2 years ago
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