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Sloan [31]
2 years ago
8

Help me to solve i and ii. Genius people. answer of i is 41.82 and ii is 1585.45

Mathematics
1 answer:
DochEvi [55]2 years ago
6 0
<h2>Answer:</h2>

?

Step-by-step explanation:

I dont know  

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A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter
Mandarinka [93]

Answer:1.32 s

Step-by-step explanation:

Given

The initial height of ball H=2 m

Initial velocity u=5 m/s

Height of ball at any instant is given by

H=-4.9t^2+5t+2

The ball will hit the ground when h=0

-4.9t^2+5t+2=0\\4.9t^2-5t-2=0\\t=\dfrac{5\pm\sqrt{25+4(4.9)(2)}}{2\times 4.9}\\t=\dfrac{5\pm\sqrt{64.2}}{9.8}\\t=\dfrac{5+8.01}{9.8}=1.32\ s\quad\text{Neglecting negative value of t}

3 0
2 years ago
Help me please!!!!!!
Levart [38]
You dived 4,005/16

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4 0
3 years ago
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Which sentence demonstrates the multiplicative identity?
ella [17]
C
Explanation
I took the test.
3 0
3 years ago
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25+12 1/2 + 61/4+31/8+19/16+25/32=
Len [333]
Make them all have the same denominator
32

25+12 16/32+488/32+124/32+38/32+25/32

Add all of the numerators... to get 691/32+1184/32
1875/32
Simplify to get 58 19/32
4 0
3 years ago
Evaluate the expression for m=4 n=5 p=-2<br> -n^m
irina1246 [14]
-5^4
= -625

-5 • -5 • -5 • -5 = -625
5 0
2 years ago
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