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Vladimir [108]
3 years ago
7

Determine the initial height of the ball and the time interval before the ball hits the ground. initial height = 0; hits the gro

und between 5 and 6 seconds initial height = 150; hits the ground between 5 and 6 seconds initial height = 0; hits the ground between 3 and 4 seconds initial height = 150; hits the ground between 4 and 5 seconds
Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:

Answer: B) initial height = 150; hits the ground between 5 and 6 seconds

sveta [45]3 years ago
5 0

Answer:

<h2> Initial height = 150; hits the ground between 5 and 6 seconds</h2>

Step-by-step explanation:

The table for this problem is:

t      y

0    150

1     145.1

2    130.4

3    105.9

4     71.6

5     27.5

6    -26.4

So, from the table we observe that the initial height is 150, and the ball hits the ground between 5 and 6 seconds.

The initial height is when the time is zero, because at this point, the movement is going to initiate.

The ball hits the ground between 5 and 6 seconds, because you can see that inside that interval the height change from positive to negative, where zero is the ground level, and the zero is between 27.5 and -26.4.

Therefore the answer is initial height = 150; hits the ground between 5 and 6 seconds

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If a number is ____, then the number is less than its absolute value. (Can you help me fill in the blank?in class we were learni
mylen [45]
It would be negative.

Absolute value is basically asking how far away something is from 0.

So say you had a number, 7. 7's distance from 0 is 7, so it would still be 7.

However, when absolute value really plays in is negative numbers. If you had -7, the distance from 0 would still be 7. It wouldn't be -7, so the absolute value of -7 would be 7.

And a negative version of a number is always less than the positive number.

Hope this helped!
4 0
4 years ago
Simplify the expression.<br> a)1/64<br> b)2^-30<br> c)64<br> d)2^30
Korolek [52]

\left(\dfrac{(-1)^5}{(-2)^{-3}} \right)^2\\\\\\=\left(\dfrac{-1}{\dfrac{1}{(-2)^3}} \right)^2\\\\\\=\left(-1 \times -8\right)^2\\\\=8^2\\\\=64

6 0
3 years ago
Read 2 more answers
Oleg, Sasha, and Dima share 600 toys. Sasha has twice as many toys as Oleg. Dima has 40 more toys than Oleg. How many toys does
Anika [276]

Answer: 140

Oleg, Sasha, and Dima shared 600 toys. Sasha had twice as many toys as Oleg. Dima had 40 more toys than Oleg.

Let the number of toys Oleg has = x

Let the number of toys Sasha has = y

Let the number of toys Dima has = z

Sasha had twice as many toys as Oleg

So y = 2*x= 2x

Dima had 40 more toys than Oleg.

z = x + 40

Oleg, Sasha, and Dima shared 600 toys

x + y + z= 600

We know y=2x and z=x+40

Replace it for y and z

Subtract 40 on both sides

Divide by 4 on both sides

Oleg had 140 toys

Step-by-step explanation:

6 0
4 years ago
What is the value of (-3+3i)+(-2+3i)
Yanka [14]

Answer: i=<u>  5  </u>

                  6

Step-by-step explanation:

(-3+3i)+(-2+3i)

-3+3i-2+3i=0

3i+3i=3+2

6i=5

i=<u>  5  </u>

   6

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=12%20%3D%201.35%20%5Csqrt%7Bx%7D%20" id="TexFormula1" title="12 = 1.35 \sqrt{x} " alt="12 = 1.
Artyom0805 [142]

Answer:

(12/1.35)^2 ~= 79.012346

(roughly equal to ~=)

Step-by-step explanation:

divide both sides by 1.35

12/1.35 = √x

square both sides to get rid of √

(12/1.35)^2 ~= 79.012346


4 0
3 years ago
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