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FinnZ [79.3K]
3 years ago
6

Take a look at the score for "Evening Song."

Mathematics
1 answer:
RUDIKE [14]3 years ago
3 0

Answer: sorry

Step-by-step explanation:

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Question 3
Galina-37 [17]

(a) The vertical motion equation for the ball is h = 8 + 48t - 16t².

(b) The time for the ball to hit the ground is 3.15 s.

(c) The time for the ball to travel 56 ft above the ground is 0.79 s.

<h3>Vertical motion equation for the ball</h3>

The vertical motion equation for the ball is calculated as follows;

h = h₀ + vt - ¹/₂gt²

h = 8 + 48t - ¹/₂(32)t²

h = 8 + 48t - 16t²

<h3>Time for the ball to hit the ground</h3>

0 = 8 + 48t - 16t²

solve the above quadratic equation with formula method;

a = -16, b = 48, c = 8

t = 3.15 s

<h3>Time for the ball to be 56 ft above the ground</h3>
  • let upward motion be positive

h = 8 + 48t + 16t²

56 = 8 + 48t + 16t²

0 = -48 + 48t + 16t²

solve the above quadratic equation with formula method;

a = 16, b = 48, c = -48

t = 0.79 s

Learn more about equation of motion here: brainly.com/question/25951773

#SPJ1

5 0
3 years ago
Lesson 2 Practice Problems
Leno4ka [110]

Answer:

$3,400,000

Step-by-step explanation:

170,000/ 5% for the increase

170,000/ 5% = $3,400,000

6 0
3 years ago
Helpppppppp me righhhttttt now pleaseeee I’m giving brainlest and points pleaseeeeee hurrryyyyyy
olga55 [171]
What is this? Algebra?
7 0
3 years ago
locksmith larry charges $90 for a house cal plus $20 per hour. Locksmith Barry charges $50 for a house call plus $30 per house.
nadya68 [22]

Answer:

<u>4 hours</u>

Step-by-step explanation:

Equations :

Larry : <u>y = 20x + 90</u>

Barry : <u>y = 30x + 50</u>

Equate both to find the number of hours at which they both charge the same :

  • 20x + 90 = 30x + 50
  • 30x - 20x = 90 - 50
  • 10x = 40
  • x = <u>4 hours</u>
4 0
3 years ago
Which expressions are equivalent to the one below? Check all that apply. 9^x
kobusy [5.1K]

I got E and F. A would be correct as is I think, B is 9^2x, C, correct as is, D, is 9 ^2x, and E and F is 9^x

7 0
3 years ago
Read 2 more answers
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