2 years ago

Blank minus 1/2 equals 3/4

Mathematics

1 answer:

Serhud [2]2 years ago

3 0

Do u have a picture?

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It takes Benjamin 28 minutes to mow 2 Lawns assuming the Lawns are the same size and Benjamin works at the same speed about how

Ivan

28min/2lawns = 14min per lawn. Then 14min * 5 lawns = 70min

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3 years ago

Let F(X) = x^2-16x+71. What is the vertex and minimum value of F(X)?

LekaFEV [45]

The veretx is normally the minimum value
hack:
for f(x)=ax²+bx+c
the x value of the vertex is -b/2a
so
f(x)=1x²-16x+71
x value is -(-16)/(2*1)=16/2=8
find f(8) to find y value of vertex

f(8)=8²-16(8)+71
f(8)=64-128+71
f(8)=7

the vertex is (8,7)
the minimum value is 7

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3 years ago

Rearrange the formula A = <br> Θr2<br> 2<br> for Θ.

Lina20 [59]

Answer:

$\theta=\frac{2A}{r^2}$