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Lisa [10]
3 years ago
13

The quadratic formula

Mathematics
2 answers:
egoroff_w [7]3 years ago
6 0

Answer:

This is my alt

Step-by-step explanation:

Alecsey [184]3 years ago
5 0

Answer:

(-b±√(b²-4ac))/(2a)

Step-by-step explanation:

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Devorah is filling a pool with a hose. The volume.H. In liters, of water coming out of the hose in .m.minutes is given by the fu
Alja [10]
<span>Given that Devorah is filling a pool with a hose. The volume.H. In liters, of water coming out of the hose in .m.minutes is given by the function H(m)=17.4m. However it is a sunny day, and water is also evaporating from the pool. Therefore,the volume ,V, in liters, of water in the pool m minutes after devorah started filling it is given by V(m)=17m.

  IfE be the volume of water, In Liters ,that has evaporated from the pool m minutes after devorah started filling it .

The formula for E(m) in terms of H(m) and V(m) is given by

E(m) = H(m) - V(m)

And

The formula for E(m) in terms of m is given by

E(m) = 17.4m - 17m = 0.4m</span>
8 0
3 years ago
Read 2 more answers
Solve this polynomial:
irina [24]

Answer:

-4r²-3s²

Step-by-step explanation:

Remove unnecessary parentheses:

r²+s²-(5r²+4s²)

Connect like terms:

-4r²+s²-4s²

Simplify/ collect like terms:

-4r²-3s²

Solution:

-4r²-3s²

6 0
3 years ago
Read 2 more answers
Find LM while showing work.
Contact [7]
X + 0.5 + 3x - 2 = 3x + 1.5
X= 3.5
Putting the all x on the right side and distributing all the numbers on the left side
8 0
3 years ago
Aaron is growing two plants. At the last measurement,the first plant was 6.53 inches tall and the second was 2.7 inches tall.
AlekseyPX
Just subtract the two numbers and the answer is 3.83 inches
5 0
3 years ago
Read 2 more answers
Select the correct answer.
Sliva [168]

Answer:

C

Step-by-step explanation:

substitute X=7 in 2x+8, answer 22

substitute X=5, answer 18

option C

substituting X=7 in (X+4)+(X+4) also gives 22

substituting X=5 also gives 18

5 0
2 years ago
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