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Crazy boy [7]
3 years ago
6

A cross- country runner runs 10 km in 40 minutes. what is his average speed

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0
The answer is 400 because you multiply it
dlinn [17]3 years ago
6 0
All you have to do is to find the unit rate at which this person runs.

It is 

10 km
--------- = 1/4 km/min, or   1 km
40 min                              --------- , or 0.25 km/min
                                          4 min
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Michael is placing cubic blocks into a box that measures 8 inches by 12 inches. each block is 1 cubic inch. he has packed the fi
Nikitich [7]

Answer:

960

Step-by-step explanation:

First of all we can find the volume of the whole box:

8×12×10=960

then find the area of the blocks:

1×1×1=1

Finally, we divide them to find how many fit in to the box:

960÷1=960

So 960 of the blocks will fit into the box.

3 0
3 years ago
Read 2 more answers
Melanie spent $40 in 4 hours while shopping at the mall. How much money has changed hands? A) $10 B) $40 C) -$10 D) -$40
S_A_V [24]
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4 0
3 years ago
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kakasveta [241]

Answer:

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6 0
3 years ago
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A supermarket finds that the number of boxes of a new cereal sold increases each week. in the first week, only 16 boxes of the c
vaieri [72.5K]
For this case, the arithmetic sequence is given by:
 an = 17n-1
 Let's check it:
 First week:
 n = 1:
 a1 = 17 (1) -1
 a1 = 17-1
 a1 = 16
 Second week:
 n = 2:
 a2 = 17 (2) -1
 a2 = 34-1
 a2 = 33
 Third week:
 n = 3:
 a3 = 17 (3) -1
 a3 = 51-1
 a3 = 50
 Answer:
 
the explicit rule for the arithmetic sequence that defines the number of boxes of cereal sold in week n is:
 
an = 17n-1
6 0
3 years ago
What's <br> b-a=<br> c-b=<br> im confused someone help pleaseee
Hitman42 [59]

Answer: n minus c would equal c c minus b would equal z

Step-by-step explanation:

3 0
3 years ago
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