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Ann [662]
3 years ago
13

Which choice is equivalent to the expression below? 2sqrt(7) + 8sqrt(7)

Mathematics
1 answer:
dexar [7]3 years ago
5 0

Answer:

Dear Twinkie

Answer to your query is provided below

10√7 is the expression equivalent for 2√7+8√7.

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Andrew has one book that is 237 inches thick and a second book that is 3.56 inches thick. If he stacks the books, about how tall
sattari [20]
You just add the thickness of the 2 books which is 237+3.56=240.56
Then you round the hundredth place which is 5 and next to it is the number 6 and that’s 5+ so it’s going up by a number. The answer is 240.6 inches tall. I tried explaining it well so sorry if you didn’t understand.
3 0
3 years ago
Shirley spelled 12 of her 16 spelling words correctly on the test. What percent grade did shirley get on the test
Black_prince [1.1K]

Answer:

75%

Step-by-step explanation:

percent = part/whole * 100%

percent = 12/16 * 100%

percent = 0.75 * 100%

percent = 75%

Answer: 75%

5 0
3 years ago
Freddy’s savings account went from $520 to $321 after he purchased a new bike. What was the percent decrease?
Vinil7 [7]

Step-by-step explanation:

The bike cost $199 to get $199 you do a number line then label 520 then at the end label 321 so then you do -20 then -100 then -50 then -20 then -9. so now you add them up 20+100+50+20+9 which equals =199

so bike cost $199

then 520%×199= 1034.8

or 520%×321=1669.2

so the  percentage is 1669.2 or 1034.8 probably 1669.2 but they bot count.

5 0
3 years ago
The hourly wages for employees at a hardware store are shown. ​
NemiM [27]

Answer:

do you have a picture

Step-by-step explanation:

instructions uncleat

8 0
3 years ago
Tim spent $37.45 on groceries. On the way home, he wants to stop and pay cash for gas at $3.35 per gallon. If he started with $6
dalvyx [7]

Answer:

6.7

Step-by-step explanation:

60$-37.45=22.55

22.55/3.35=6.731

Which rounds to 6.7

5 0
3 years ago
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