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nadezda [96]
3 years ago
12

Problem c please I can't figure it out then again I tend to over think things majorly

Mathematics
1 answer:
LekaFEV [45]3 years ago
7 0
Perimeter = length of all sides added together. We know the lengths are x and 4x...so

x+x+ 4x + 4x= 60
10x = 60
x = 6 ft
Since we know side (s) x are 6 feet in length then sides 4x are

4×x = 4 × 6 = 24 ft
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A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant it is 64 feet above the gr
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Answer:

a. 2.56 sec

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Step-by-step explanation:

a) The equation of motion of a body under gravity gives the equation  

h = ut + gt^{2} ......... (1) {Where u is the initial velocity of the body and t is the time to descend h height and g is the acceleration due to gravity.

Now, from the equation (1) we have  

64 = - 16t + 16 t^{2} {Since g = 32 feet/sec² }

⇒ t^{2} - t - 4 = 0

So, applying Sridhar Acharya formula  

t = \frac{1 + \sqrt{ 1 + 16} }{2} = 2.56 seconds {Neglecting the negative root as t can not be negative.} (Answer)

b) Again we have the formula that  

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3 0
3 years ago
How many triangles exist with the given side lengths? 2mm,6mm,10mm
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Zero

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Is this correct?<br> Thank you!
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yes .it is totally correct

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