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2 years ago

Match the expression is equivalent to 5(2x+3) when using the distributive property?

Mathematics

1 answer:

Ivenika [448]2 years ago

8 0

Answer:

10x + 15

Step-by-step explanation:

5(2x + 3) ← multiply each term in the parenthesis by 5

= 10x + 15

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Find the angle of elevation of the sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14

Hitman42 [59]

Answer:

The angle of elevation of the sun from the ground to the top of a tree is $36^{\circ}$ .

Step-by-step explanation:

As given

The sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14 yards long.

Now by using the trignometric identity .

$tan\theta =\frac{Perpendicular}{Base}$

As figure is given below .

AB = Perpendicular = 10 yards

BC = Base = 14 yards

Putting all the values in the trignometric identity .

$tan\theta =\frac{AB}{BC}$

$tan\theta =\frac{10}{14}$

$\theta =tan^{-1}(\frac{10}{14})$

$\theta =36^{\circ}$

Therefore the angle of elevation of the sun from the ground to the top of a tree is $36^{\circ}$ .

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You just add 2 and 4.

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0.5 x 1/10 = 0.05 All you do is multiply

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How to find the perimeter of a diagram

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Reduces to 21/10

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