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2 years ago

10

Marvin spent 2.8 hours which is 35% of his time at the recreational center playing ping pong. How long was Marvin at the recreat

ional center?

1 answer:

timofeeve [1]2 years ago

6 0

Answer:

<u>3</u><u>5</u>×2.8

100

<u>9</u><u>8</u>

100= 0.98

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A skier is on the top of a 350 meter tall mountain looking down at a tree. The direct path from the tree to the skier is 505 met

denpristay [2]

Answer:

$43.87^{\circ}$

Step-by-step explanation:

We are given that

Height of mountain=350 m

Distance from the tree to the skier=505 m

We have to find the angle of depression from where the skier is standing to the base of the tree.

In triangle ABC

$\frac{AB}{AC}=sin\theta$

By using the formula

$\frac{Perpendicular\;side}{Hypotenuse}=sin\theta$

$\frac{350}{505}=sin\theta$

$sin^{-1}(\frac{350}{505})=\theta$

$\theta=43.87^{\circ}$

Hence, the angle of depression from where the skier is standing to the base of the tree= $43.87^{\circ}$

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3 years ago

Round 217.72668318 to the nearest thousandth

Andrei [34K]

hi <3

as the value after the thousandth place is 6, you would need to round up

thus, your answer would be 217.727

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2 years ago

Read 2 more answers

Emily exercised from 4:05 p.m.to 4:32 p.m. For what part of an hour did Emily exercise ? Write the fraction in simplest form

BabaBlast [244]

She exercised for 27/60 of an hour so if you divide that by 3 you get 9/20 and therefore, she exercised for 9/20 of an hour.

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3 years ago

What is 25 over 28 simplified

melisa1 [442]

Answer:

as a fraction $\frac{25}{28}$ cannot be simplified any more

Step-by-step explanation:

nothing goes into both 25 and 28

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2 years ago

4 – 3x = 8 – 4x what is X

lions [1.4K]

Answer:

x=4

Step-by-step explanation:

I hope this helps you

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