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3 years ago

What is the decimal representation of 2/10 ? a.20b. 2.0c. .2d. 2.10

Mathematics

2 answers:

zubka84 [21]3 years ago

6 0

2%10=0.2. so your answer is C..2

exis [7]3 years ago

5 0

The decimal form for 2/10 would be 0.2.

The choices you typed in were confusing.
A. 20
B. 2.0
C. .2
D. 2.10

The correct answer would be C. .2.

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A communications tower is supported by two wires, connected at the same point on the ground. One is attached to the tower at D a

viktelen [127]

Answer:

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Step-by-step explanation:

✍️What we are basically asked to solve here is to find the distance between C and D.

To find CD, find the length of BC, and BD. Their difference will give us CD.

Thus, BC - BD = CD.

✍️Finding BC using trigonometric ratio formula:

$\theta = 30 + 10 = 40$

Opposite side = BC = ??

Adjacent side = 42 m

Thus:

$tan(\theta) = \frac{opposite}{adjacent}$

Plug in the values

$tan(40) = \frac{BC}{42}$

Multiply both sides by 42

$tan(40) \times 42 = \frac{BC}{42} \times 42$

$35.24 = BC$

BC = 35.24 m

✍️Finding BD using trigonometric ratio formula:

$\theta = 30$

Opposite side = BD = ??

Adjacent side = 42 m

Thus:

$tan(\theta) = \frac{opposite}{adjacent}$

Plug in the values

$tan(30) = \frac{BD}{42}$

Multiply both sides by 42

$tan(30) \times 42 = \frac{BD}{42} \times 42$

$24.25 = BD$

BD = 24.25 m

✍️How much below the top of the tower is the shorter one attached:

Thus,

BC - BD = CD

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7 0

3 years ago

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olga2289 [7]

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tekilochka [14]

Answer:

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Step-by-step explanation:

its really easy

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2 years ago

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Margarita [4]

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Degger [83]

Answer:

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3 years ago