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labwork [276]
2 years ago
6

F(x) = 5x2 + 20x - 12 What is the vertex for this

Mathematics
1 answer:
kifflom [539]2 years ago
3 0

Answer:

10+20x-12

20x-2

X=20-2

X=18

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melisa1 [442]

Answer:

The answer is 18,700

Step-by-step explanation:

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5 0
1 year ago
A tree casts a shadow 21m long. The angle of elevation of the sun is 55 degrees. What is the height of the tree?
Orlov [11]

Answer:

The height of the tree is about 30 feet.

Step-by-step explanation:

tan(55) = h/21

*21          *21

21*tan(55)=h

29.99=h

h=29.99=30 feet

4 0
3 years ago
Juan has 4 1/2 gallons of blue paint. Each wall in his house will need 3/4 of a gallon of paint. How many walls can Juan paint b
Lostsunrise [7]
We know that

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</span>
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x=(9/2)/(3/4)----> 9*4/2*3-----> 36/6----> 6 walls

the answer is
6 walls
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3 years ago
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Answer:

I think you got it right

Step-by-step explanation:

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