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2 years ago

Write the quadratic function in the form f (x) = a (x - h)2 +k.

Mathematics

1 answer:

Yakvenalex [24]2 years ago

6 0

The awnser would be f(x) = 2x2 -4x +4

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a hardware store marks up the price of all tools it gets from the ware house by 18% and then puts them on sale for 20% off what

Sauron [17]

Ksisiszijssjsndbdn 882728338388 Irish

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2 years ago

3 Find y if the slope between ( – 7, y) and (1, 13) is 3/4

mafiozo [28]

Step-by-step explanation:

$slope \: = \frac{y2 - y1}{x2 - x1} = \frac{3}{4}$

point 1 ( -7,y)

point 2 (1,13)

$\frac{13 - y1}{1 - ( - 7)} = \frac{3}{4}$

$\frac{13 - y1}{8} = \frac{3}{4}$

$13 - y2 = \frac{8 \times 3}{4} = 6$

$y2 = 13 - 6 = 7$

y = 7

3 0

3 years ago

Rachel jogged along a trail that was 1/4 of a mile long. She jogged along the trail 8 times. How many miles did Rachel jog?

ki77a [65]

I am thinking as wisely as I can. I believe that Rachel would have jogged 2 miles, if you think about it. If 1/4 of the trail is jogged each time, and she does that 8 times, 1/4 + 1/4 + 1/4 + 1/4 +1/4 + 1/4 + 1/4 + 1/4= 8/4 or 2. I hope this helped!

5 0

3 years ago

Find the numbers of faces, edges, and vertices of the solid.

deff fn [24]

Answer:

7 faces
15 edges
10 vertices

Step-by-step explanation:

This is a counting problem. As with many counting problems, it is helpful to adopt a strategy that helps ensure you count everything only once.

<h3>Faces</h3>

There are two pentagonal faces and 5 rectangular faces for a total of ...

7 faces

<h3>Edges</h3>

There are 5 edges around each of the pentagonal faces, and 5 edges connecting the top face to the bottom faces, for a total of ...

15 edges

<h3>Vertices</h3>

There are 5 vertices on the top face, and 5 on the bottom face, for a total of ...

10 vertices

7 0

2 years ago

42=Wf×64 (what fraction)

Dmitry [639]

So basically 42=x times 64 or 42=64x where you want x to be represented as a fraction so just don't simplify as much

42=64x
divide both sdies by 64
42/64=64/64x
42/64=1x
x=42/64
simplify
42/64=21/32

the answer is 21/32 in simplest form

7 0

3 years ago