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Zolol [24]
3 years ago
7

The number of hours you study for an exam affects your grade. What is a reasonable value of the range?

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0
What do u mean a reasonable value of the range range is used when there are 2 numbers not in a sentence
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if 1 mile is 5280 feet, and it is 2 miles from Ellie's house to the school, about how many feet is it from ellie's house to the
Bess [88]
This is a conversion problem. We know that 1 mile is 5280 feet, right? Since Ellie lives 2 miles, and two is double of 1, we just take 5280 and multiply that by two (or add it twice) to find how many feet is between Ellie's house and school. 5280 x 2 = 10560 (you get the same answer if you add 5280 twice). Therefore, 10560 feet lies between Ellie's house and school.
6 0
3 years ago
What is the value of the expression 5ab-2c, where a =2, b=3 and c=0?
ira [324]

Answer:

30

Step-by-step explanation:

5*2*3 - 2*0 = 30 - 0 = 30

5 0
2 years ago
Cooper wrote checks on his checking account for $20 and $35. He also deposited $63 in the account. Which number describes the ch
Licemer1 [7]

Answer:

the change is b 8. 63-55=8 35+20=55

5 0
2 years ago
4(5a-2b)-2(4a-5b)<br><br><br> Expand the brackets and simplify the question
Nutka1998 [239]

Answer:

12a+2b

Step-by-step explanation:

1. Expand by distributing terms.

20a-8b-2(4a-5b)20a−8b−2(4a−5b)

2. Expand by distributing terms.

20a-8b-(8a-10b)20a−8b−(8a−10b)

 3. Remove parentheses.

20a-8b-8a+10b20a−8b−8a+10b

4.Collect like terms.

(20a-8a)+(-8b+10b)(20a−8a)+(−8b+10b)

5. Simplify.

12a+2b12a+2b

6.Answer

12a+2b

6 0
3 years ago
Read 2 more answers
There are 400 silver dollars in two bags. If 275 are in one bag, how many are in the other bag?
xz_007 [3.2K]
If there are 400 silver dollars in all, and there are 275 in one bag, to find the amount in the other bag, just subtract:

400-275=125

There are 125 in the other bag.
4 0
3 years ago
Read 2 more answers
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