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babymother [125]
3 years ago
7

Prii needs to run at least 30

Mathematics
1 answer:
frozen [14]3 years ago
7 0
30 - 18 = 12
So he has 12 miles left for this week.
There are 3 more days
So 12 divided by 3
Which is 4, so he needs 3 more hours per day for the remaining 3 days
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How many L of an 85% alcohol solution must be mixed with 6 L of a 55% alcohol solution to make a 65% solution?
zepelin [54]

Answer:

3 Liters of the 85% Solution

Step-by-step explanation:

You have to draw your buckets. I can't on computer so imagine the fraction bar is the bottom of the buckets.

\frac{85}{x}+\frac{55}{6}=\frac{65}{x+6}

Then we multiply the top of the buckets with the bottom:

85x+330=65x+390

Now we simplify and solve

20x=60

x=3

You need 3 liters of the 85% solution!

4 0
3 years ago
Decorations for a seventh-grade dance take 1/6 of the student council's budget. entertainment takes 3/8 of the budget. what frac
defon

Answer:

11/24 is left over

Step-by-step explanation:

1/6 + 3/8 = 13/24

24/24 - 13/24 = 11/24

11/24 of the budget is left over

Hope this helps

5 0
3 years ago
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What is the value of the expression 1/4 ^-3?
zloy xaker [14]
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Your final answer is B. 64.
8 0
3 years ago
What is the ratio of 8 to 60 written as a fraction in lowest terms
Sedaia [141]

Answer:

2/15

Step-by-step explanation:

8/60

Divide the top and bottom by 4

8/4 =2

60/4 = 15

2/15

3 0
3 years ago
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3m^3<br> ​3<br> ​​ + 4f + 4 + 2f + 2f^2<br> ​2<br> ​​ + 1
damaskus [11]

Answer:

33m^33+2f^22+6f+5

Step-by-step explanation:

this is the answer for if you are supposed to be simplifying :)

6 0
3 years ago
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