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Artist 52 [7]
2 years ago
5

10

Mathematics
1 answer:
Kazeer [188]2 years ago
6 0
10. He will need 11,4 minutes to get to sea level. To get to 30 he'll need 6 minutes.

11. He'll be able to cut 4 complete pieces.
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There are 9 times as many cubes in the black bag as in the green bag. The green bag has 12 cubes. How many cubes are in the blac
Delicious77 [7]

Answer:

108 cubes

Step-by-step explanation: 9 times 12 equals 108

9 • 12 = 108 cubes

4 0
2 years ago
Read 2 more answers
There were three quizzes for the week. The first quiz was worth twice as much as the second quiz. The third quiz was 10 points l
iren2701 [21]
X+y+z=70
x=2y
z=2y-10
6 0
2 years ago
What ratio is equivilent to the ratio 3:4
Assoli18 [71]

Answer:

6:8       x2

9:12      x3

12:16     x4

15:20    x5

Step-by-step explanation:

Just multiply both of the number by the same number and you will find an equavilant ratio.

Hope this helps!

*I also added a few different answers so it can give you a clear idea.

4 0
3 years ago
A certain star is 2.4 x 102 light years from the Earth. One light year is about 5.9 x 1012 miles. How far
Studentka2010 [4]

Answer:

2.5 x 10^{15} miles

Step-by-step explanation:

We are given that 1 light year ≈ 5.9 x 10^{12} miles so:

  • 4.3 x 10² light year · <u>5.9 x </u>10^{12}<u> miles </u>                                                                                                
  •                                    1 light year

Multiply 4.3 an 5.9 and round to 2 significant digits then add the exponents:

                                              ≈25 x 10^{14}

This is not the scientific notation since the number is not between 0 and 10 so we move the decimal point by 1 place to the left. We then add 1 to the exponent to obtain the final answer:

                                                  ≈ 2.5 x 10^{15} miles

6 0
2 years ago
50% of 80<br> 50% of 48<br> 50% of 15<br> 25% of 120<br> 25% of 90
Semenov [28]
1. 40
2. 24
3. 7.5
4. 30
5. 22.5
3 0
3 years ago
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