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mixas84 [53]
3 years ago
11

(5a + a2 - 14) (10a + a2 + 39)

Mathematics
1 answer:
yan [13]3 years ago
8 0
15a+a4+25 is the answer
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Josephine wants to put a wallpaper border around the ceiling of her room. The dimensions are 7 ft and 3 inches and 8 feet and 3
Ilya [14]
Answer:
372inches or 31feet
How to:
7feet and three inches is equal to 87 inches and 8ft and 3 inches is equal to 99 inches. Then you know that both sides have to be multiplied by two because there are four sides in the room. Meaning you have 174in and 198in. Then you add those together to get your answer which is 372. To get back to feet just divide by twelve.
8 0
3 years ago
Seven kilometers is how many meters​
Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

Hello,

1km=1000m, right?

so 7km = 7 * 1000 m = 7000m

thanks

4 0
3 years ago
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mrs_skeptik [129]
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3 years ago
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2n

6 0
4 years ago
Ms. Coleman's class has already collected 403 cans for a food drive, but the class wants to collect a total of at least 1,000 ca
pochemuha
We need to figure out how many more cans they need to bring.  We figure this out by subtracting 403 from 1,000, which gives us 596 more cans.  We now divide 596/28, to find how many each student would need to bring.  This equals 21.3.  You might want to mention that each student can't bring .3 of a can, so the answer could be 22 also.
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3 years ago
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