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gulaghasi [49]
2 years ago
15

I will give Brainliest

Mathematics
2 answers:
Stels [109]2 years ago
6 0

Answer:

I believe that it should be Y; Height of an emperor penguin on Antarctica

galina1969 [7]2 years ago
4 0

<u>Answer:</u>

Z = "results of flipping two coins"

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

A discrete variable is one which can take only certain values and usually represents values that are counted. The result of flipping two coins can only take a certain number of values of heads or tails (1 head and 1 tail, two heads, or two tails); therefore it is a discrete variable.

A continuous variable is one which can take any value, and usually represents values that are measured. The rest of the options provided (W, X, and Y) are all measurements, and are therefore continuous, not discrete.

Also, among the options presented, option Z is the only one which is "random".

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Answer:

2

Step-by-step explanation:

f(x)=2x^2+9x-5

When we are find how many times it intersects the x axis, we are finding the zero's. Set the equation equal to zero

0=2x^2+9x-5

Factor the equation

0 = (2x+1) (x-5)

2*1

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2*-5 +1*1 = -9

This checks for the first last and middle terms so we factored correctly

Then using the zero product property

2x+1 = 0 and x-5 =0

2x = -1    x=5

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sergejj [24]

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