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3 years ago

This makes no sense can someone please explain.

Mathematics

1 answer:

Kitty [74]3 years ago

6 0

If you need any help i will help you

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Find the domain of the relation {(–2, 3), (–1, 3), (–1, 5)}. Then determine whether the relation is a function.

DIA [1.3K]

Answer:

The domain is (-2,-1,) This relation is not a function because there are repeating x-values.

Step-by-step explanation:

The domain are the list of x values and x values are the first number in a given point. Ex: (0,9) x-value is 0

3 0

3 years ago

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A volleyball reaches its maximum of 13 feet, 3 seconds after it is served. What quadratic formula could model the height of the

Katena32 [7]

Answer:

$H=-(t-3)^2+13$

Step-by-step explanation:

The path covered by the volleyball will be a downward parabola with the vertex being the highest point of the ball.

A general form of a downward parabola is given as:

$y=-a(x-h)^2+k$

Where $(h,k)$ is the vertex of the parabola and 'a' is a constant.

Now, let 'h' be the vertical height and 't' be the time taken.

So, the equation would be of the form:

$H=-a(t-h)^2+k$

Now, as per question:

h = 2 seconds, k = 13 feet.

$H=-a(t-3)^2+13$

Now, taking a = 1. So, the formula that can be used is:

$H=-(t-3)^2+13$

7 0

3 years ago

HELP ME PLS <br> (I have the answers I just need to show the work and that’s it)<br><br> Answer: B

AveGali [126]

Answer:

Im dumb but cant you just be like, I subtracted 146° and 62°?

8 0

3 years ago

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Find the unit rate for $5.40 for 24 cans

vichka [17]

Ok so $5.40 divided by 24 = 0.225. Each can is $0.225

3 0

3 years ago

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Please help I will also give you brainlist if correct

Katyanochek1 [597]

I would say D because if you do 10 x 2 you get 20 then minus 9 equals 11 and that seems around the right measurements

6 0

3 years ago