Answer:
23 thousandths. <em><u>=</u></em><em><u> </u></em> 23 ÷ 10^3
9+4 × (6÷3) <em><u>></u></em> (9+4×6) ÷ 3
5 tens + 2 hundredths. <em><u><</u></em> 50.20
810.6 ÷ 10. <em><u>=</u></em> 8.106 × 10
Answer:
Step-by-step explanation:
a) the equation representing the parabola is expressed as
h = -16t² - 4t + 20
c) to determine the height after 25 seconds, we would substitute 25 for t into the given equation. It becomes
h = -16(25)² - 4(25) + 20
h = - 10000 - 100 + 20
h = - 10080
d) when the coin lands on the ground, the height would be 0. Therefore,
-16t² - 4t + 20 = 0
Dividing both sides of the equation by 4, it becomes
- 4t² - t + 5 = 0
- 4t² - 5t + 4t + 5 = 0
- t(4t + 5) + 1(4t + 5) = 0
- t + 1 = 0 or 4t + 5 = 0
t = 1 or t = - 5/4
Since t cannot be negative, then t = 1 second
Answer:
9 5/24
Step-by-step explanation:
Answer:
almost nobody here understands your language sorry
