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3 years ago

HELP THIS IS DUE TOMRROW ANYWAYS THE QUESTION IS

Mathematics

2 answers:

Andreas93 [3]3 years ago

8 0

Answer: -5

Explanation:
The midpoint between -7 and -3 will be the center of the segment, which would be -5.

FromTheMoon [43]3 years ago

5 0

This could be wrong because I'm going into the fifth grade but wouldn't it just be (7,-3)?

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2. y = -2x² + 8x<br>Axis of Symmetry:<br>Vertex:<br>Domain:<br>Range:

worty [1.4K]

Answer:

Part 1) The axis of symmetry is x=2

Part 2) The vertex is the point (2,8)

Part 3) The domain is all real numbers

Part 4) The range is all real numbers less than or equal to 8

Step-by-step explanation:

we have

$y=-2x^{2}+8x$

This is a vertical parabola open downward (because the leading coefficient is negative)

The vertex represent a maximum

step 1

Find the vertex

Convert the quadratic equation in vertex form

Factor -2 leading coefficient

$y=-2(x^{2}-4x)$

Complete the square

$y=-2(x^{2}-4x+4)+8$

rewrite as perfect squares

$y=-2(x-2)^{2}+8$

The vertex is the point (2,8)

step 2

Find the axis of Symmetry

we know that

In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex

the vertex is the point (2,8)

therefore

The axis of symmetry is x=2

step 3

Find the domain

The domain of the quadratic equation is the interval ------> (-∞,∞)

The domain is all real numbers

step 4

Find the range

The range of the quadratic equation is the interval ------> (-∞,8]

$y\leq 8$

The range is all real numbers less than or equal to 8

5 0

3 years ago

What is 17 / 20 as a decimal

Ivanshal [37]

I believe the answer is .85

4 0

3 years ago

2. The oil company wants to transport 27L/min of oil through the pipes. Find the maximum

SVETLANKA909090 [29]

Answer:

2. The oil company wants to transport 27L/min of oil through the pipes. Find the maximum

flow of oil that can flow through the pipes (per minute) to show that this demand cannot

be met. Clearly explain how you have found the maximum flow.

8 0

3 years ago

PLEASE HELP 10 POINTS

abruzzese [7]

A) 70 pools in total
B) 5:2

5 0

3 years ago

What are the steps to (5.2 − 4.5) − 5.5 4.8?

artcher [175]

To complete the problem (5.2 - 4.5) - 5.5(4.8) you have to start with solving the numbers inside of the ( )'s.

Once you do this you should get .7 - 5.5(4.8).

Then you need to multiply to get .7 - 26.4.

Now all you have to do is simplify, -25.7

There you go! If you have any more questions about this or anything else just let me know! ;)

6 0

3 years ago