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3 years ago

Question 3 of 10

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

6 0

Answer:

C) 3/8

Step-by-step explanation:

The total area is 4*6 = 24, and the square is 3*3 = 9 inside the rectangular, so the ratio of the square to rectangular is 9 / 24 = 3/8, which is the probability.

If it is helpful, plz give me Brainliest.

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A rugby player passes the ball 7.75 m across the field, where it is caught at the same height as it left his hand. At what angle

prisoha [69]

Answer-

At 15.91° the ball was thrown.

Solution-

In the question it is given that the ball was released and caught from the same height.

We know that,

$R=\frac{u^{2}\sin 2\Theta}{g}$

Where,

R = Range of the projectile = 7.75 m,

u = Initial speed = 12 m/s

θ = Angle at which it was released

g = Acceleration due to gravity = 9.8 m/s²

Putting all the values,

$\Rightarrow 7.75 = \frac{12^{2}\sin 2\Theta}{9.8}$

$\Rightarrow \sin 2\Theta=\frac{7.75 \times 9.8}{144} =0.5274$

$\Rightarrow 2\theta=\sin^{-1} 0.5274=31.83 \ or \ 148.17$

$\Rightarrow \theta=\frac{31.83}{2} \ or \ \frac{148.17}{2} =15.91 \ or \ 74.08$

$\Rightarrow \theta=15.91^{\circ} \ (smaller \ angle)$

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3 years ago

Read 2 more answers

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kirza4 [7]

Answer:

51/12 - 23/4

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3 years ago

Kim rolls a dice and flips a coin

Dmitry [639]

Answer:

Step-by-step explanation:

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3 years ago

How many pennies are in $578?

Andrej [43]

There are 57,800 pennies in $578. All you have to do is multiply 578 by 100 making that 57,800.

Hope this helps. :)

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3 years ago

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Find the value of y. Round your answer to the nearest tenth.

Andrej [43]

$\huge \boxed { \sf Answer}$

$\cos(21°) = \frac{9}{y} \\ = > 0.9336 = \frac{9}{y} \\ = > \frac{y}{9} = 0.9 336\\ = > y = 9 \times 0.9336 \\ = > y = 8.4024 \\ = > y = 8.4$

Hope you could understand.

If you have any query, feel free to ask.

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2 years ago