3 years ago

Round 3878.97521159 to the nearest tenth.

Mathematics

1 answer:

almond37 [142]3 years ago

5 0

Hello!

Since we are rounding until tenths, the answer would be 3879.

Since a tenth is the first decimal of a number, we just round it and get that.

Hope this helped! c:

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Which equation can be used to solve for b? B 5 cm 10 cm 30°

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Answer:

Therefore the equation to solve for b is

$\tan 30 = \dfrac{5}{b}$

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

∠C = 90°

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AB = 10 cm

∠A = 30°

To Find:

b = ?

Solution:

In Right Angle Triangle ABC Tangent identity we have

$\tan A = \dfrac{\textrm{side opposite to angle A}}{\textrm{side adjacent to angle A}}$

Substituting the values we get

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