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Sedbober [7]
4 years ago
10

Whoever answers first gets branliest Jenny accidentally drops a doll from rest out of a high window in a tall building. The doll

falls for 3.6 seconds. Neglecting air resistance, the final velocity of the doll is ______ m/s (g=-9.8m/s^2)
A.-42
B.52
C.-12
D. 23
E.-35
Mathematics
1 answer:
Ber [7]4 years ago
7 0

Answer:

I believe the answer is E (although it shouldn't be negative)

Step-by-step explanation:

Why? Because the gravitational acceleration (or g) is 9.8m/s^2 so then that would make the initial velocity (or v0) would be 0ft/s, the height (or h) would be 63.504ft, the time of fall (or t) would be 3.6sec, and the velocity (or v) would be 35.28ft/s.

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WINSTONCH [101]

4/6 = 12/18

8/10 = 16/20

2/5 = 4/10

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8 0
3 years ago
Check my answers please?
sukhopar [10]
1. Correct answer is a (since when you are not given the n values, it is implied that the first value is 1). 
3. Correct answer is a (a(n)=-3+4(1-1)=-3).
 7. The pattern is to reduce the previous value by 4, thus the 12th term of the sequence is -24 (a(n)=20 - 4(n-1)=20 - 4(12-1)=-24).
 8. Missing term is 26 (32+20=52; 52/2=26).
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5 0
4 years ago
How to do 32=8 (p+3)
Andrew [12]
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3 0
3 years ago
What is the equation of the line that passes through the points (2, –1) and (6, 1)? A.y=1/2x -2 B.y=2x-5 C.y=-1/2x-1 D. y=-2x-3
Rzqust [24]

Answer:

option A.

y = (1/2)x - 2

Step-by-step explanation:

It is given that, line that passes through the points (2, –1) and (6, 1)

Slope m = (y₂ - y₁)/(x₂ - x₁)

 = (1 - -1)/(6 - 2)

 = (1 + 1)/4 = 2/4

 = 1/2

<u>To find the equation of the line</u>

Equation of a line passing through the points (x₁, y₁)  and  slope  m is given by,

(y - y₁)/(x - x) = m

Here (x₁, y₁) = (2, -1) and m = 1/2

(y - -1)/(x - 2) = 1/2

(y + 1) = (x - 2)/2

y = -1 + x/2 - 2/2

  =  -1 + x/2 - 1

 = x/2 - 2

The equation of the line is,

y = (1/2)x - 2

The correct answer is option A.

y = (1/2)x - 2

3 0
3 years ago
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