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Lesechka [4]
4 years ago
9

How long would it take for a ball dropped from the top of a 576576-foot building to hit the ground? Round your answer to two dec

imal places.
Mathematics
1 answer:
Scorpion4ik [409]4 years ago
3 0

Answer:

5.98 s

Step-by-step explanation:

576 ft = 576 / 3.28 = 175.56 m

Let g = 9.81 m/s2. The time it takes for the ball to fall from 165.56 m high to the ground is

s = gt^2/2

t^2 = 2s/g = 2*175.56/9.81 = 35.8

t = \sqrt{35.8} = 5.98 s

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adelina 88 [10]
The answer will be D) 75

To find this it’s easiest to find how many animals there are per percent. So to find this you simply have to divide 30 (the number of cats) by 40 (the percent that makes up) to find the number of animals per percent.

30/40

.75

Then you multiply this by 100 to find how many animals there are total.

.75(100)

75

5 0
4 years ago
Read 2 more answers
A=1/2h(B+b); A=45, B=4, b=5
klemol [59]
Answer: h=10

Solving Steps:
45 = 1/2h x (4+5)
45 = 1/2h x 9
45 = 9/2h
10 = h
h = 10
4 0
4 years ago
Find the distance UV between the points U(4,−2) and V(6,−1). Round your answer to the nearest tenth, if necessary.
Liono4ka [1.6K]

The horizontal distance is the difference of x-coordinates: 6 - 4 = 2.

The vertical distance is the difference of y-coordinates: -1 - (-2) = 1.

The straight-line distance (d) can be found using the Pythagorean theorem, since the vertical and horizontal distances are at right angles to each other.

.. d² = 2² + 1² = 5

.. d = √5 ≈ 2.2

The distance UV is about 2.2.

8 0
3 years ago
A computer store buys a computer system at a cost of 474.60 ​$. The selling price was first at 791 ​, but then the store adverti
GalinKa [24]
So the question is the original price was $791 and they bought it at the marked down price at $474.60? then they saved $316.40 but i’m not really sure if that’s the question lol
5 0
3 years ago
If you withdraw part of your money from a certificate of deposit before the date of maturity, you must pay an interest penalty.
s344n2d4d5 [400]

Answer:

\frac{3}{12} *100=25\\

8,3*0,25=2,10%(2d.p)

Step-by-step explanation:

7 0
3 years ago
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