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irga5000 [103]
3 years ago
9

Please help asap. 55 points

Mathematics
2 answers:
telo118 [61]3 years ago
8 0
k^2+kf-2f^2
=k^2+kf-f^2-f^2
=k^2-f^2+kf-f^2
=(k+f)(k-f)+f(k-f)
=(k+2f)(k-f)
B
atroni [7]3 years ago
5 0
The answer would be B. Using the foil method to check, the two k's equal k^2, then the k and -f would equal -fk, plus the 2fk would equal a positive fk. Lastly, the 2f and -f would equal -2f^2.
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A hot tub has capacity of 1458 liters 487 liters and 750 ml were put in how much more needs to be put in
Colt1911 [192]
Well the easiest way we can do it is convert liters in to milliliters and since there are 1000 milliliters in a liter multiply 1458 by 1000 and 487 by 1000 which will get you 1458000 milliliters of capacity and the 487 liters turns into 487000 mililiters we add this to the 750 milliliters  to get 487750 milliliters. Now it is all a matter of subtracting to find out how much more needs to be put in. 1458000-487750=970250  milliliters. So the amount needed to fill the hot tub is 970250 ml or if you want to convert it back to liters 970.250 l
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3 years ago
<img src="https://tex.z-dn.net/?f=1.%20%5Cfrac%7B1%7D%7B3%7D%20%20%2B%20%20%5Cfrac%7B3%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7B6%7D%7B
kondaur [170]

Answer:

1. 3.33333333333

2. -1.3

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8 0
2 years ago
Pythagorean Theorem.....​
pentagon [3]

Step-by-step explanation:

the specific gravity of honey is 1.43. a vat of honey 10 feet deep is inside a dome pressurized to 0.05 atmospheres on the surface of pluto. the total pressure at the bottom of the tub is 7,930 pa. what is the gravitational acceleration of pluto in m/s2

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nika2105 [10]

Answer:

-7

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7 0
3 years ago
Read 2 more answers
Solve by extracting roots. Round your answers to two decimal places.
Colt1911 [192]
2.8a^2=55
a^2=55/2.8
a= square root of 55/2.8
7 0
3 years ago
Read 2 more answers
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