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2 years ago

9

Consider the equation below

1 answer:

Kay [80]2 years ago

8 0

Answer:

Step-by-step explanation:

x/h + 1 = - 2 Subtract 1 from both sides

x/h = -2 - 1 Combine

x/ h = -3 Multiply both sides by h

h * x/h = - 3*h

x = - 3h Answer

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Lin has a drawing with an area of 20 in squared. If she increases all sides by a scale factor of 4, what will the new area be?

diamong [38]

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<em><u>Explanation</u></em>

Lin has a drawing with an area of 20 in² and she increases all sides by a scale factor of 4.

<u>The general rule</u> we need to use here.......

"<em>If the lengths of the sides in a shape are all increased by a scale factor of $k$ , then the area will be increased by a scale factor of $k^2$ "</em>

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4 years ago

A Ferris wheel has a radius of 10 m, and the bottom of the wheel passes 1 m above the ground. If the Ferris wheel makes one comp

Volgvan

Answer: $1+10(1-\cos (\frac{\pi t}{9}))$

Step-by-step explanation:

Given

radius of wheel $r=10 m$

Time period of Wheel $T=18 s$

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for velocity differentiate x and y to get

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$v_y=0+r(\sin \theta )=r\sin (\omeag t)$

Height at any time t is given by

$h=1+10(1-\cos \theta )=1+10(1-\cos (\frac{\pi t}{9}))$

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3 years ago