4 years ago

I forgot how to do these types of problems :/

Mathematics

1 answer:

AVprozaik [17]4 years ago

7 0

Answer:

49/49..56

Step-by-step explanation:

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Nikki spent 2/5 of her birthday money on new shoes and 1/4 of her birthday money on a new headband.

VLD [36.1K]

Answer:

The answer is 20. 2/5=8/20 and 1/4=5/20

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Step-by-step explanation:

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3 years ago

2. From the top of a vertical cliff 40 m high, the object is 59.3m from the base of the cliff. Find the angle of depression to t

ArbitrLikvidat [17]

$34^{\circ}$ is the angle of depression from the vertical cliff.

Option: A

Step-by-step explanation:

Given that, Height of the cliff (opposite side) = 40m

Distance of object from the base of the cliff (adjecent side) = 59.3m

To find the angle of depression of the object. From trigonometric rule in a right angled triangle, we know that $\tan \theta=\frac{\text { opposite side }}{\text { adjecent side }}$ $\theta=\tan -1 \frac{\text { opposite side }}{\text { adjecent side }}$ Angle of depression = $\tan -1 \frac{\text { height of cliff }}{\text { Distance of object from the base of the cliff }}=\tan ^{-1} \frac{40}{59.3}=34^{\circ}$ Therefore, the angle of depression to the object is $34^{\circ}$ .