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3 years ago

Rewrite 4/10 1/25 as a unit rate 1. 2:125? 2.100.1? 3. 10.1? 4.25.4?

Mathematics

2 answers:

Ratling [72]3 years ago

5 0

Answer:

Number 3.

Step-by-step explanation:

4/10 is 0.4 and 1/25 is 0.04. When divides the first to the second, you get ten. And ten stands for 10:1 in terms of ratio. Number 3 I'd your answer.

Nonamiya [84]3 years ago

4 0

The correct answer is number 3

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3 years ago

In ΔNOP, the measure of ∠P=90°, the measure of ∠N=59°, and PN = 7.4 feet. Find the length of OP to the nearest tenth of a foot.

lina2011 [118]

Answer:

12.3 feet.

Step-by-step explanation:

As we are given that $\triangle NOP$ is an right angled triangle.

$\angle P = 90 ^\circ \\\angle N = 59 ^\circ\\Side\ PN = 7.4 \text{ feet}$

And we have to find out the value of side OP to the nearest tenth of a foot by rounding off the value as seen in the attached figure as well.

By using Trigonometric functions in a right angled $\triangle$ , we know that:

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

Here, $\theta$ is $\angle N$ , Perpendicular is side OP and Base is side PN.

So, $tan 59^\circ = \frac{OP}{PN}$

$\Rightarrow OP = PN \times tan59^\circ$

Putting the values of PN and $tan59^\circ$ .

$OP = 1.66 \times 7.4\\\Rightarrow OP = 12.3 ft$

Hence, the value of OP is $12.3\ feet$ .

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