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irakobra [83]
3 years ago
7

Katie runs 4 miles in 24 minutes. How many miles can she run in 30 minutes?

Mathematics
2 answers:
vova2212 [387]3 years ago
8 0
Katie runs 1 mile every 6 mins so she can run 5 miles in 30 mins.
elena-14-01-66 [18.8K]3 years ago
6 0
I used proportions to figure out the answer. Hope this helps!
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What does unit rate mean​
satela [25.4K]

Answer:

Unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity. Some common unit rates are miles, per hour, cost per item, earnings and per week

Step-by-step explanation:

6 0
3 years ago
MATH HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sveta [45]
So the first one, 1.2 >11/5. and the second one 1/3> 1/2
6 0
3 years ago
Read 2 more answers
Simplify 6 x 10−7 2 x 105 .
mafiozo [28]

Answer:

-49

Step-by-step explanation:

it would be this because first we would have to figure out what 6*10 is that why we know what to distribute . so once we figure it out , which is 70 . We would then subtract 14 from 70 . Since 7 is right next to 2 we would then multiply it to get to 14. Once we get that you should get 56, from there you would subtract 56 to 105 , and get your answer.

7 0
3 years ago
One plane can travel 30 miles per hour faster than another. one of them goes 185 miles in the same time it takes the other to go
ycow [4]
Plane #1 speed:  x mph
Plane #2 speed:  (x+30) mph

time = time becomes

170 mi        185 mi
---------- = --------------
      x             x+30

Solving for x, the speed of the slower plane, we get

170x + 5100 = 185 x
                                           5100
Then 15x = 5100, and x = ---------- (mi/hr) = 340 mph
                                              15

The slower plane flies at 340 mph, and the faster one at 370 mph.
6 0
3 years ago
Write a function rule for the relationship. the amount c of energy you burn and the time t you spend exercising, if you burn Cal
gregori [183]

Answer:

c= 12t

c is the amount of energy you burn, so it'll be the "solution" to the equation. Multiply 12 times the amount of time you spend exercising to find how much energy you'll burn.

6 0
3 years ago
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