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Rashid [163]
3 years ago
15

A ball is projected vertically upward from the surface of the earth with an initial speed of 49 meters per second. The ball reac

hes its maximum height in 5.0s. What is the vertical velocity of the ball when it strikes the ground
A. 0 m/s
B. -9.8m/s
C. 49m/s
D.-49m/s
Mathematics
1 answer:
ASHA 777 [7]3 years ago
6 0
I believe the answer is choice B
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<img src="https://tex.z-dn.net/?f=5y%2B7%20%5Cleq%20-3%20or%203y%20-2%20%5Cgeq%2013" id="TexFormula1" title="5y+7 \leq -3 or 3y
liberstina [14]
5y + 7 < = -3
5y < = -3 - 7
5y < = -10
y < = -10/5
y < = -2

3y - 2 > = 13
3y > = 13 + 2
3y > = 15
y > = 15/3
y > = 5
7 0
4 years ago
Use the distributive property to simplify the following expression: 5(x + 2)
OLga [1]

Answer:

5x + 10

Step-by-step explanation:

Each term in the parenthesis is multiplied by the 5 outside, that is

(5 × x) + (5 × 2) = 5x + 10

5 0
4 years ago
Which expression is equivalent to (2x – 3)2 – 3.5x2(2x –5) + 6x(2.5x2 – x + 3.1)?
Olegator [25]

Answer:

Yuhh the answers c dawhggg trus me i just did the same thing lawl!

Step-by-step explanation:

5 0
3 years ago
Please solve<br><br> ??-3/10=1/5
lina2011 [118]

Answer:

5

Step-by-step explanation:

5-3=2

2/10=1/5

6 0
3 years ago
Read 2 more answers
Whats a triangle with 3 congruent sides called
dexar [7]

Answer:

equilateral

Step-by-step explanation:

6 0
4 years ago
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