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Dominik [7]
3 years ago
8

Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second, Then v =

square root of 19.6h .If an object is dropped from a height of 49.2 meters, with what velocity does it hit the ground? Round your answer to the nearest tenth.

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:

80

Step-by-step explanation:

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↔ ↔
MrRissso [65]

Answer:

1. \dfrac{4}{3}

2. y=6x-11

3. 4

Step-by-step explanation:

The equation of the line that passes trough the points A(14,-1) and B(2,1) is

\dfrac{x-14}{2-14}=\dfrac{y-(-1)}{1-(-1)},\\ \\\dfrac{x-14}{-12}=\dfrac{y+1}{2},\\ \\y+1=-\dfrac{1}{6}(x-14),\\ \\y=-\dfrac{1}{6}x+\dfrac{7}{3}-1,\\ \\y=-\dfrac{1}{6}x+\dfrac{4}{3}.

The y-intercept of this line is

y=-\dfrac{1}{6}\cdot 0+\dfrac{4}{3}=\dfrac{4}{3}.

Line BC is perpendicular to line AB, then its slope is 6. Line BC passes through the point B, so

y-1=6(x-2),\\ \\y-1=6x-12,\\ \\y=6x-11.

If the y-coordinate of point C is 13, then x-coordinate is

13=6x-11,\\ \\6x=13+11,\\ \\6x=24,\\ \\x=4.

7 0
3 years ago
One side of a cube has a length of 4. What is the volume of that cube?
Gemiola [76]

Answer: 64 sq in.

v=b times h times w

v=4 times 4 times 4= 64 sq inches

3 0
2 years ago
Trevor paid a total of $1.08 in fines for an overdue library book. If the penalty for overdue books is $0.09 per day, how many d
miv72 [106K]
12 days and don’t be sorry
3 0
3 years ago
Read 2 more answers
What is the perimeter of the shaded triangle?
trapecia [35]
36 
is the answer, i hope im right 
4 0
3 years ago
Which expression is equivalent to 4a(2.5b+11)-5(a+3)+b(a-7)
Marysya12 [62]
It would letter a luv
4 0
3 years ago
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