2 years ago

10

1 answer:

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

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2 years ago

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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

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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.

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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 · 5.9 x $10^{12}$ miles
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

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2 years ago

50% of 80 50% of 48 50% of 15 25% of 120 25% of 90

Semenov [28]

1. 40
2. 24
3. 7.5
4. 30
5. 22.5

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3 years ago