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faust18 [17]
3 years ago
12

a soccer ball is kicked into the air, and it’s path can be modeled with a quadratic function. the table shows the time, t, in se

conds , as the height of the soccer ball,h, in feet
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
4 0

Answer:

f(t)=-2 t(t-5)

-just took the assignment

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Plz help ill give brainlist to you
dusya [7]
Hey there!

To start, first set up your expression like this:
(5x+17)-(3x-4)

You must set up your expression like this since in subtraction, order matters and the problem asks for the difference between the first plant and the second plant, respectively, meaning you must follow in this order.

Now, simplify:
(5x+17)-(3x-4)
(5x+17)+(-3x+4)
2x+21

Therefore, the difference the two companies would be 2x+21.
8 0
3 years ago
Find the value of x. Then find the angle measures of the polygon.
iogann1982 [59]

Answer:

120+100+120+120+x+x+10=720 (given)

470+2x=720

2x=720-470

x=250/2

x=125

           

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Harmony earns a $42,000 salary in the first year of her career. Each year, she gets a 4%, percent raise.
marysya [2.9K]

Answer:

42000*1.04^(n-1)

Step-by-step explanation:

4% is equal to 0.04, a raise is 1+0.04=1.04

1.04 is now the number we are multiplying by to get a new yearly salary for Harmony.

42000*1.04^(n-1) since n is how many years after she has the job you have to raise it to the power and subtract one.

3 0
1 year ago
A student is given the rectangle and the square shown. The student states that the two figures have the
VladimirAG [237]

Answer:

correct

Step-by-step explanation:

The perimeter is the sum of the sides.

Rectangle ( opposite sides are congruent ), thus

perimeter = 2x + 2(x + 18) = 2x + 2x + 36 = 4x + 36

Square ( sides are congruent ), thus

perimeter = 4(x + 9) = 4x + 36

The perimeters are the same, so the student is correct

5 0
3 years ago
Find the coordinates of the midpoint of the segment whose endpoints are H(8, 13) and K(10, 9).​
Wittaler [7]

Good evening

Answer:

<h2>M(9 , 11)</h2>

Step-by-step explanation:

let Point M(x , y) be the midpoint of segment HK then

x = (8+10)/2 = 18/2 = 9

y = (13+9)/2 = 22/2 = 11.

:)

8 0
3 years ago
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