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larisa86 [58]
3 years ago
11

- 9.9t = - 9.9 solve for t

Mathematics
1 answer:
vampirchik [111]3 years ago
5 0
T=1

Hope that helps bud!
You might be interested in
I really need help I would appreciate it if someone could help me
sleet_krkn [62]

Answer:

a) The vertex of the graph is (h,k) = (0, 31), b) a = -16, c) The equation of the parabola is f(t) = -16\cdot t^{2}+31.

Step-by-step explanation:

a) The tennis ball experiments a free fall, that is, an uniform accelerated motion due to gravity and in which effects from Earth's rotation and air viscocity are negligible. The height of the ball in time is represented by a second order polynomial. Hence, the vertex of the parabola is the initial point highlighted in graph.

The vertex of the graph is (h,k) = (0, 31).

b) If we know that (h,k) = (0, 31), f(t) = a\cdot (t-h)^{2} + k and (t,f(t)) = (1,15), then the value of a is:

f(t) = a\cdot (t-h)^{2} + k

15 = a\cdot (1-0)^{2}+31

15 = a\cdot 1 + 31

a = 15-31

a = -16

c) The equation of the parabola is f(t) = -16\cdot t^{2}+31.

4 0
3 years ago
8. Don made deposits of $500 at the end of each year for eight years. The rate is 8% compounded annually. Using the tables found
Sonbull [250]

Answer:

Step-by-step explanation:

P = $ 500 ;r =8% ;  n= 8

A = P* (1+r/100)^n

A= 500 * ( 1 + 8/100)⁸

= 500 * ( 1 + 0.08)⁸  = 500 * 1.08⁸

=500*1.85

= $ 925.45

5 0
2 years ago
How can you tell if an equation has one, zero, or infinite solutions? For example:
QveST [7]
Simplifying
-4v + 2v = -12

Combine like terms: -4v + 2v = -2v
-2v = -12

Solving
-2v = -12

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Divide each side by '-2'.
v = 6

Simplifying
v = 6
8 0
3 years ago
Ill mark brainly if its correct. a,b,c, or d ~ quickly please ~
IgorLugansk [536]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
Use distributive property to remove the parentheses 5(3-y)
Zielflug [23.3K]

Answer:

15-5y

Step-by-step explanation:

To distribute, multiply everything inside the parentheses by the number outside the parentheses.

5(3-y)

Multiply 5 by 3-y

(5*3)+(5*-y)

15-5y

4 0
3 years ago
Read 2 more answers
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