2 years ago

If KL = 8 and KM = 12, what is KN? Round your answer to the nearest tenth.

Mathematics

1 answer:

AVprozaik [17]2 years ago

7 0

Answer:

it is 20

Step-by-step explanation:

12-8=4 so we add the 4 to the 12 and it gives us 16...then 16 rounded off to the nearest 10 is 20

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A pole that is 3.5m tall casts a shadow that is 1.47m long. At the same time, a nearby tower casts a shadow that is 42.75m long.

Stells [14]

Answer:

The height of the tower nearby the pole is 102 m.

Solution:

Given,

Height of the pole = 3.5 m

Length of the shadow of the pole = 1.47 m

Length of the shadow of the tower nearby = 42.75 m

Let us assume the height of the tower as x

$\frac{height of the pole}{length of the shadow of the pole}=\frac{height of the tower}{length of the shadow of the tower}$

$\frac{3.5}{1.47} = \frac{x}{42.75}$

On solving for x we get,

$x = \frac{3.5}{1.47}\times 42.75$

$x = 101.785 m$

On rounding off to the nearest meter we get,

x=102 m

$\therefore$ The height of the tower is 102 meter.

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White raven [17]

F(2)= -3(2)+9 = 3
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3f(2)-2f(0)
= 3(3)-2(9)
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lianna [129]

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