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attashe74 [19]
3 years ago
6

Tell whether or not the relation is a function. {(-4,-7), (-1, 8), (4, -7), (4, -8)}

Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer:

Not a function because the domain 4 repeats.

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Sati [7]

Answer: A Yes, because the balls are randomly selected, the distances of the new ball can be compared to the distances of the original ball.

B Yes, because the original ball type is included in this experiment, the distances the different balls travel can be accurately compared.

Step-by-step explanation:

C No, because a placebo ball was not used, a comparison cannot be made to determine if the new ball travels significantly farther.

D No, because all of the new type of balls are not hit first, the distances they travel cannot be compared to the distances of the original ball.

3 0
1 year ago
Please help!!
jenyasd209 [6]

Answer:

x = - 3

y = - 2

Step-by-step explanation:

Start with the second equation. Switch

3y = 2x               Divide by 3

3y/3 = 2x/3

y = 2x/3

Now go to the first equation. Put the value for y in the first equation.

x - 3(2x/3) = 3      Cancel the 3s on the left.

x - 2x = 3              Combine

-x = 3                    Multiply by -1

-1(-x) = 3(-1)

x = - 3

Now go back to the original equation I have called the second equation

2x = 3y

2(-3) = 3y                  Put in - 3 for x

- 6 = 3y                     Divide by 3

-6 / 3 = y

y = - 2


8 0
3 years ago
Slove this equation 4x+y=5
notsponge [240]
4x + y =5

x = \frac{5 - y}{4}
y = 5 - 4x
4 0
3 years ago
Read 2 more answers
I need help thank you
Anni [7]

Answer:

A

Step-by-step explanation:

Because when you are doing a reflection, You sort of see if you can fold it and it will still be the same. If you put the first triangle on the second one, they have the same shape.

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Forty-five states in a country have​ four-star hotels. Assume the country has 50 states.​ (a) What fraction of the states can cl
Masteriza [31]
A. 90% b. 5 c. 10/100 or 5/50 or 1/10
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3 years ago
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