3 years ago

Can someone help please thanks

Mathematics

2 answers:

GaryK [48]3 years ago

7 0

I have no idea, i just need points. Good luck

LuckyWell [14K]3 years ago

3 0

blue with green is 5/10 green and red 3/10 both red 2/10 both blue 4/10

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3 years ago

4 over x+4 - 2 over x+1

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Juli2301 [7.4K]

Answer:

After 14.92 seconds, the arrow hits the ground.

Step-by-step explanation:

Given:

Initial velocity of the arrow is, $u=240\ ft/s or 73.152\ m/s$

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The displacement of the arrow is given as:

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$0=73.152\timests t-\frac{1}{2} \times9.8 \times t^{2}$

$0=73.152\timests t-4.9 \times t^{2}$

$0=t(73.152-4.9 \times t)$

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$4.9\times t=73.152$

$t=\frac{73.152}{4.9}= 14.92\ s$

∴ After 14.92 seconds, the arrow hits the ground.

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3 years ago

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