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Naddik [55]
3 years ago
15

How does a change in the value of h effect the axis of symmetry of the graph ? How does the value of k change the axis of symmet

ry ?
I really need to know this ASAP please help
Mathematics
1 answer:
Ber [7]3 years ago
5 0

The value of h is exactly the axis of symmetry. So when h changes, it completely changes the line of symmetry. This is because the vertex is (h, k) and the x value of the vertex is always equal to the line of symmetry in a quadratic.

Changing the k value does nothing to the line of symmetry. This is because it is just moving the graph up and down, which doesn't change the symmetry of a parabola.

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puteri [66]

Answer:

10

30%

Step-by-step explanation:

In this case it would be the combination of 2 taken from 5.

That is, when n = 5 and r = 2

nCr = n! / r! * (n-r)!

replacing

5C2 = 5! / (2! * 3!)

5C2 = 10

Which means that the sample space is 10 possible combinations.

the probability that the card you draw is even is 3/5, since there are 3 even cards that exist and 5 is the total number of cards.

Now, so that both are for it would be the multiplication of the previous probability and 2/4 because an even card and a card in general have already been drawn:

(3/5) * (2/4) = 0.3

So the probability that both are even is 30%

5 0
4 years ago
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7 0
3 years ago
What t chart matches the equation y=x^2-2
blondinia [14]
The answer is y=xz-2
8 0
4 years ago
The cost for a company to produce x smartphones can be modeled by C(x)= 2x+35 and the company's total profit after selling x sma
Andrews [41]

Answer:

D

Step-by-step explanation:

R(x) = -x^2+122x+400

8 0
3 years ago
A rectangular sheet of paper is 25/2cm long and 32/3 cm wide. Find its perimeter. *​
Zina [86]

Answer:

46.3cm

Step-by-step explanation:

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  • 25/2 multiply by 2 becoz it's got two equal sides
  • 32/3 multiply by two for the other equal sides
  • add answers together to give you
  • 46.3cm
3 0
3 years ago
Read 2 more answers
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