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Kruka [31]
3 years ago
12

What is the vertex of the graph?

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0
The vertex is (2,5)
Nat2105 [25]3 years ago
6 0

Answer:

The vertex of the graph is (2,5)

Step-by-step explanation:

you need to find what a,b and c are:

a=-2  b=8  c=-3

b/2a=   8/2(-2)

x=2

plug x in to the equation x=2 to find y

y=-2(2)^2+8(2)-3= 5

y=5

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Complete the equation of the line through (-9,7) and (-6,-3)
Mila [183]

Answer:



Step-by-step explanation:

In point slope form, the equation is y-7=(-10/3)(x+9).  In slope-intercept form, it is y=(-10/3)x-23.

First find the slope of the line.  The formula for slope is

m=(y₂-y₁)/(x₂-x₁)

Using our points, we have 

m=(-3-7)/(-6--9) = -10/3

Plug this into point slope form:

y-y₁=m(x-x₁)

y-7=(-10/3)(x--9)

y-7=(-10/3)(x+9)

Using the distributive property:

y-7=(-10/3)*x+(-10/3)*9

y-7=(-10/3)x-90/3

y-7=(-10/3)x-30

Add 7 to both sides:

y=(-10/3)x-23

7 0
3 years ago
Need help, and fast please look at the image below
r-ruslan [8.4K]

<em>Answer:</em>

<em>Box one: 2 ||| Box two: -3</em>

<em>Step-by-step explanation:</em>

<em>Input the numbers, then solve the inequality.</em>

<em>Hope this helps. Have a nice day.</em>

6 0
4 years ago
Read 2 more answers
What is the rate of 28/22
sineoko [7]

How much is 22 out of 28 written as a percentage? Convert fraction (ratio) 22 / 28 Answer: 78.571428571429%

Hope this helped! Enjoy! :)

5 0
3 years ago
A cone has a diameter of 6 centimeters and a height that is 5 times the diameter. Using 3.14 for pi, which of the following can
Anuta_ua [19.1K]
To calculate the Volume of a sphere we use =\frac{1}{3}  \pi  r^{2} hi
in  this question our radius is 6cm and height is 30cm therefore the volume will be :-
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Answer= 360 cm^{3}


7 0
3 years ago
Read 2 more answers
What is 40 times 16 ​
kompoz [17]

Answer:

640

Step-by-step explanation:

7 0
3 years ago
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