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N76 [4]
3 years ago
5

Please help me with this question

Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

B. 1.2 x 10^-1

Step-by-step explanation:

3.6 x 10^7 = 36,000,000

3 x 10^8 = 300,000,000

36,000,000 ÷ 300,000,000 = 0.12

= 1.2 x 10^-1

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Answer:

146 feet below the surface

Step-by-step explanation:

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8 0
1 year ago
Alonzo takes 12 minutes to run 6 times around a 400-meter track. Assuming he runs at a constant speed, how long does he take to
snow_lady [41]

Answer:

5 minutes to run 1 kilometer

Step-by-step explanation:

Alonzo takes 12 minutes to run 6 times around a 400-meter track.

6 times around a 400 m track

400 * 6 = 2400 meters

It take 12 minutes to run 2400 meters

2400 meters = 2400/1000 = 2.4km

distance = 2.4 km  and time = 12 minutes

Now we find our constant speed

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divide by 12 on both sides

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so speed is 0.2 km per minute

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divide by 0.2 on both sides

5 = t

So it take 5 minutes to run 1 kilometer

3 0
3 years ago
5x + 2y = 6 3x + y = 4 Which of the following is part of the solution to the system of equations?
BabaBlast [244]
5x + 2y = 6
3x + y = 4....multiply by -2
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5x + 2y = 6
-6x - 2y = -8 (result of multiplying by -2)
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-x = -2
x = 2

5x + 2y = 6
5(2) + 2y = 6
10 + 2y = 6
2y = 6 - 10
2y = -4
y = -4/2
y = -2 <=== here it is
6 0
3 years ago
Read 2 more answers
A school debate team has 4 girls and 6 boys. A total of 3 of the team members will be chosen to participate in the district deba
lys-0071 [83]

Answer:

I’m pretty sure the answer is A.

Hope this helps!

7 0
3 years ago
8x - 2 = -9 + 7x what does x equal
Nimfa-mama [501]

Answer:

x = - 7

Step-by-step explanation:

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8x - 2 + 2 = -9 + 7x + 2

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8x - 7x = 7x - 7 - 7x

x = - 7

4 0
3 years ago
Read 2 more answers
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