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nevsk [136]
2 years ago
8

Find the rate of change: (18, 4.5) (20, 5) (22, 5.5) (24, 6)

Mathematics
2 answers:
natta225 [31]2 years ago
5 0
The anwser to this question is 5
Korvikt [17]2 years ago
4 0

Answer:

The rate of change for the

X is +2

The rate of change for the

Y is + 0.5

Step-by-step explanation:

No need

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The function Q(x)=2x^2-kx+18. For what value of k does Q(x) have one distinct real solution? (NEEDS TO BE DONE WITHIN 2 HOURS!)
Aliun [14]

Answer:

k = 12

Step-by-step explanation:

Given:

The equation Q(x)=2x^2-kx+18

To find:

Value of k = ? for which the given equation has one distinct real solution.

Solution:

The given equation is a quadratic equation.

There are always two solutions of a quadratic equation.

For the equation: ax^{2} +bx+c=0 to have one distinct solution:

b^2 - 4ac = 0

Here,

a = 2,

b = -k and

c = 18

Putting the values, we get:

(-k)^2 - 4\times 2\times 18 = 0\\\Rightarrow k^2 = 18\times 8\\\Rightarrow k^2 =144\\\Rightarrow k = 12

The equation becomes:

Q(x)=2x^2-12x+18

And the one root is:

2(x^2-6x+9 ) = 0\\\Rightarrow 2(x-3)^2=0\\\Rightarrow x = 3

4 0
3 years ago
What are 25 times by the same number then divide it by sixty
larisa86 [58]
25(25) = 625

625/60 ≈ 10.4166

Or when rounded to the nearest hundredth, 10.42
6 0
3 years ago
When giving directions to your house, you tell someone to drive two miles east, then three miles north, then one mile west. what
Sonja [21]
Then my house will be in the south because thats the only one that is left
4 0
3 years ago
Solve and get brainliest!!<br>please be sure of your answer!!!!​
Phantasy [73]

Answer:

I think it's D

Step-by-step explanation:

Supplementary means the angels add up to 180 degrees. So 95 + ? = 180. The ? is equal to 85, but how do you get it. Well we know 5x means to multiply a # by 5. So 17 x 5 = 85. So x = 17. Hope this helps!

3 0
2 years ago
Read 2 more answers
Find the midpoint of the line segment with the given endpoints. (-3.1, -2.8) and (-4.92, -3.3)
OleMash [197]

Answer:

Step-by-step explanation:

(-3.1 - 4.92)/2 = -8.02/2 = -4.01

(-2.8 - 3.3)/2 = -6.1/2= -3.05

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7 0
3 years ago
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