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FrozenT [24]
2 years ago
9

5a - (-9) - 7a - 12 6 - 7m^2 + 4n^2 - 8 - 9m^2 - n^2

Mathematics
1 answer:
Klio2033 [76]2 years ago
3 0

Answer:

ken Copland

Step-by-step explanation:

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Natalka [10]

kladjfklajsdklfjalk x=3

6 0
3 years ago
PLEASE HELP I ONLY HAVE 11 MINS LEFT!!!
gulaghasi [49]

Answer:

3, 4, 5, 6

Step-by-step explanation:

2(.7) in not greater than 1.9

3(.7) is greater than 1.9, so everything above 3 is also

4 0
3 years ago
Please help me!!!!!!!!!!
Alex

The answer is C. 20.3 miles per hour.


In order to solve this, we have to first convert our time into hours. We start with 11 seconds, but need to convert to hours. Since there are 3600 seconds in an hour, we need to divide by that unit rate.


11 seconds/3600 = .00305 hours


Now we need to convert our meters into miles. The problem lets us know that there are 1609 meters in a mile, so we need to divide the 100 meters by 1609.


100 meters/1609 = .0621 miles.


Now to find miles per hour, we divide the miles we got by the hours.


.00305 miles/ .0621 miles = 20.3 miles per hour.

5 0
3 years ago
Find the value of (a+b)^2 if a^2+b^2=10 and ab=3
seropon [69]

Answer:

(a+b)^2 if a©+2b

Step-by-step explanation:

i not sure

6 0
3 years ago
Read 2 more answers
Please help me I I will give you a Brainly
Dimas [21]

Step-by-step explanation:

by deleting

9y = -9

y = -1

6x - 4 = -10

6x = -6 then x = -1

5 0
3 years ago
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