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77julia77 [94]
3 years ago
7

A archer releases an arrow with an initial velocity of 30 feet per second at a height of 3 feet. The path the arrow takes

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:1.97

Step-by-step explanation:

weeeeeb [17]3 years ago
5 0

Answer:

1.97

Step-by-step explanation:

The arrow will hit the ground when the height is 0. We need to solve the quadratic equation:

-16x^{2} +30x+3=0

Solving the quadratic equation gives two solutions −0.10 and 1.97 because we know the answer should be a positive number of seconds we can conclude that the object will hit the ground at 1.97 seconds.

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tia_tia [17]

Step-by-step explanation:

Given that

The cost of 1 kg onions = Rs. 30 1/2

The cost of 1 kg onions = Rs. 61/2

If Rajini bought 2 1/2 kg onions then

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→ 2 1/2 ×( 61/2)

→ (5/2)×(61/2)

→ (5×61)/(2×2)

→305/4

Rs. 305/4 or Rs. 76 1/4

The cost of 2 1/2 kg onions is Rs. 76 1/4.

5 0
3 years ago
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alina1380 [7]

Answer:

D

Step-by-step explanation:

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Nadya [2.5K]

Answer: B

<u>Step-by-step explanation:</u>

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→  x = 4i          x = -4i        x = 3

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Step-by-step explanation:

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