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NISA [10]
3 years ago
3

a volleyball reaches its maximum height of 13 feet 3 seconds after its served which of the following quadratics could model the

height of the volleyball over time after its served, select all that apply

Mathematics
2 answers:
ivolga24 [154]3 years ago
0 0

The answer is f(X)= -2x^2 + 12x - 5, or the answer is best represented by the second option.

Because if you do, -b/2a, the result you'd get is three which represents the time of the ball after it's served.

Plug that number into the quadratic equation, and you should be getting thirteen as the result.

Lunna [17]3 years ago
0 0

Answer:

the answers are the second option and the fifth option, i took the alegbra nation and those were marked correct

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Answer:

1680 watt-hours

Step-by-step explanation:

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5 0
2 years ago
Find x. (Use pic for more info)
V125BC [204]

Answer:

x=75

Step-by-step explanation:

Hey There!

If you didn't know the exterior angle of a triangle is equal to the sum of the opposite interior angles of a triangle

So essentially what I'm saying is that

2x-5=70+x

step 1 add 5 to each side

-5+5 cancels out

70+5=75

now we have

2x=70+x

step 2 subtract x from each side

x-x cancels out

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8 0
3 years ago
Jason is buying a home theater system on layaway for $349. If he makes a down payment of $25 and pays $54 each week will it take
Gekata [30.6K]
Hey! 
First, you would take 349 and subtract 25 from it.(349-25=324) This gets rid of the down payment. 
Next, you would divide 324 by 54. (324÷54=6)
It would take him 6 weeks! 
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5 0
3 years ago
Does anyone know the answer to 2/3 divided by 1/6
saveliy_v [14]

Answer:

4

Step-by-step explanation:

You would first do 2/3 times 6/1 which is 12/3. Then you would simplify and divide 12 by 3 to get 4.

7 0
3 years ago
Read 2 more answers
If p(x)= 2x3+ a x2+ 3x–3 and f(x) = x3 + x2-4x+ aleave the same remainder when divided by x-2, find the value of a.
Luda [366]

Answer:

a = 3

Step-by-step explanation:

p(x) = 2x^{3} + ax^{2} +3x -3\\f(x) = x^{3} + x^{2} - 4x + a

To get the remainder when these polynomials are divided by x - 2, subsitute(x = 2) into both functions.

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Since the remainders are the same, p(2) = f(2)

19 - 4a = 4 + a

19 - 4 = a + 4a

15 = 5a

a = 15/5

a = 3

6 0
3 years ago
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