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Mekhanik [1.2K]
3 years ago
15

Question 1 of 10

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

b. if it asks for the answer it's -45x

Step-by-step explanation:

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A toy falls from a window 70 feet above the ground. How long does it take the toy to hit the​ ground?
Korolek [52]

Answer:

2.09 seconds.

Step-by-step explanation:

We are given...

y = 70 feet

v0 = 0 feet/second

a = 32 feet/second^2

We need to find t using the following equation...

y = v0 * t + (1/2) * a * t^2

70 = 0 * t + (1/2) * 32 * t^2

70 = (1/2) * 32 * t^2

70 = 16t^2

16t^2 = 70

t^2 = 4.375

t = sqrt(4.375)

t = 2.091650066

So, it will take the toy about 2.09 seconds to hit the ground.

Hope this helps!

6 0
3 years ago
Write 3^n/9^(n-1) as a power of 3​
Ivahew [28]
The correct answer is 3^(2 - n)
7 0
3 years ago
If the measure of 0 is A radians and B degrees, then A=180B/pie
yKpoI14uk [10]
Yup that is correct, that is the way to convert measurements of angle from radians to degrees. because 2pi is equivalent to one revolution of a circle and in degrees is equal to 360 degrees, then simplifying it 360 / 2pi = 180 / pi.
so <span>the measure of 0 is A radians and B degrees, then A = 180 B/pi</span>
3 0
4 years ago
What is the value of F(x)
pochemuha

Answer:2

Step-by-step explanation:

8 0
3 years ago
If we just randomly guess (without any knowledge) on each of the 4 questions, what is the expected number of questions we get co
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