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faltersainse [42]
2 years ago
9

PLEASE HELP 100 POINTS.

Mathematics
2 answers:
Sidana [21]2 years ago
4 0
Answer:
A) between seconds 1 and 2
B) one ball reaches a maximum and falls, the other one always rises

Step-by-step explanation:
H(t) = -16t² + 32t + 50
g(t) = 30 + 30.4t
A) To complete the table replace the values of t in the function, for example: H(2) =-16(2)² + 32(2) + 50 = 50
t H(t) g(t)
0 50 30
1 66 60.4
2 50 90.8
3 2 121.2
The solution to H(t) = g(t) is located between seconds 1 and 2, because before t = 1, H(t) > g(t), and after t = 2 g(t) > H(t)
B) The ball that follows function H(t) increase its height, reaches a maximum and, then, decreases its height. The ball that follows function g(t) increases its height all the time. In the beginning, the ball that follows function H(t) increases its height faster than the other ball, but after it reaches its maximum height, its height starts to decrease, giving the opportunity to the other ball to reach it.
aalyn [17]2 years ago
3 0

Wait I don’t understand what u need
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He's a silly goober and he likes to joke around
6 0
3 years ago
Bill found a book he wanted on sale for $20.80. The original price of the book was $32. Find the discount rate.
Maurinko [17]

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

\frac{20.80}{32} = \frac{x}{100}

We can cross multiply to find the value of x.

20.80\cdot100=2080\\\\2080\div 32 = 65

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

100 - 65 = 35

So the book was on a 35% discount.

Hope this helped!

3 0
3 years ago
What is the formula of a circle in terms of its circumference <br> A=pi*r^2<br> C=2*pi*r
Alja [10]

"Formula of a circle" is too vague to be meaningful. Perhaps you meant, "Formula for the area of a circle in terms of its circumference."

The area of a circle in terms of its radius is A = πr^2. To put this formula to use, we have to know the radius of the circle. The circumference of a circle in terms of its radius is C = 2πr, so a formula for the radius is r = C / (2π).

Now let's find a formula for the area of a circle in terms of its circumference:

C C^2

A = πr^2 = π { ---------------- }^2 = ------------

2π 4π

or:

A = (C^2) / 4π

5 0
3 years ago
Read 2 more answers
What is the power of 256
Juli2301 [7.4K]

In mathematics. 256 is a composite number, with the factorization 256 = 28, which makes it a power of two. 256 is 4 raised to the 4th power, so in tetration notation 256 is 24.

4 0
3 years ago
I know it's an insanely simple question, but my brain isn't working right now and I need help.
faltersainse [42]

Answer:

4 cookies

Step-by-step explanation:

1/3 of 12 is 4 so her son ate 4 cookies, your welcome

6 0
2 years ago
Read 2 more answers
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