4 years ago

What is the most appropriate SI unit for measuring the following items?

Mathematics

1 answer:

pochemuha4 years ago

5 0

Answer: (d) meter

have a good day :)

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What is the answer please help

Goryan [66]

Three stands for a solid 3
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six tenths = 0.6
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add
3 + 0.6 = 3.6
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3.6 is your answer

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4 years ago

Perform the operation and, if possible, simplify<br> 21/20 - 4/15

Kazeer [188]

Answer:

47/60

Step-by-step explanation:

Find the LCM and multiply to get there.

LCM is 60

63/60-16/60

47/60

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3 years ago

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kaheart [24]

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3 years ago

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How tall is a building that casts a 71-ft shadow when the angle of elevation of the sun is 29 degrees.Round to the nearest foot

skad [1K]

Solution

We will draw a diagram to illustrate the information

Using the concept of SOHCAHTOA

We are given adjacent and we want to find opposite

$\begin{gathered} tan\theta=\frac{opposite}{adjacent} \\ tan29=\frac{H}{71} \\ cross\text{ multiply} \\ H=71tan29 \\ H=39.35594265 \\ H=39ft \end{gathered}$

Therefore, the answer is