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Nikolay [14]
2 years ago
5

Attachment pic: Please help

Mathematics
1 answer:
ad-work [718]2 years ago
5 0
The answer is D :)

I hope this helps! Let me know if you need help with anything else! I'd be happy to help in anyway I can! :D
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Tom drops a coin from the top of a building. Tom is 90 meters from the ground when he drops the coin. A) What is the height of t
Delvig [45]
Disregarding air friction, the distance traveled by an object due to gravity is : H = 0.5*g*t^2.   g is the gravitational constant at the surface of earth.  

g= 9.81 m/s^2  

After 3 seconds, Distance = .5*9.81*9 = 44.15 meters traveled.   

Since it was dropped from a height of 90 meters, the current height is 90 - 44.15 = (a) 45.85 meters  

(b) It has to travel 90 meters to hit the ground . So we must find t  

Using the same equation  

t = (2*H/g)^.5 

 t = (2*90/g)^.5 = 4.28 seconds until it hits the ground
3 0
3 years ago
Can anyone help me with math? Please wait till you see three pictures before answeringgg!!
Nikolay [14]
(A) E, D, G, A, B, C
(B) AB, BC, AC
(C) <span>AB, BC, AC</span>
(D)an angle
(E) Angle EDG, Angle GDE

(A)75
(B) Acute




5 0
3 years ago
Please help me find the area of the figure!!
BabaBlast [244]

Answer: 199 square yards

Step-by-step explanation:

If you break it down into 3 rectangles it’ll be easier to find the answer. Multiply it by H x W. First you do the 6 x 10. And then afterwards add the extra 5 to the 6 and it’ll make the

H = 11, and the W is 4. And then add the last 3 to H and it’ll make it 19 and the last W is 5

6 x 10 = 60

11 x 4 = 44

19 x 5 = 95

Total of 199

Hope this helps :)

7 0
3 years ago
When testing whether the correlation coefficient differs from zero, the value of the test statistic is t20=1.95 with a correspon
expeople1 [14]
Given:
value of the test statistic is t20 = 1.95
corresponding p-value of 0.0653 at the 5% significance level

No, I can't conclude that the correlation coefficient differs from zero because the p-value, which is 0.0653 exceeds 0.05. 

The correlation coefficient differs from zero when the p-value is less than 0.05.

3 0
3 years ago
An object of mass 600 kg is released from rest 1000 m above the ground and allowed to fall under the influence of gravity. Assum
Deffense [45]

Answer:

15 sec

Step-by-step explanation:

Data:

let m = 600 kg

    b  = 50

the differential equation will be:

m\frac{dv}{dt} = mg - bv(t)

5 0
3 years ago
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