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4 years ago

How do you do that? It does not explain

Mathematics

2 answers:

pychu [463]4 years ago

8 0

Answer:

It is basically telling you to write the fraction as a decimal or the decimal as a fraction.

Step-by-step explanation:

As for number 1, it says that 1/10 is 0.1 as a fraction.

For number 2 you would turn 1/5 as a decimal. (Answer - 0.2)

For number 3, you would turn the decimal 0.25 into a fraction. (Answer - 1/4)

For number 4, you would turn 1/2 into a decimal. (Answer - 0.5)

mariarad [96]4 years ago

4 0

2. 1/5 = .20

3. 1/4 = .25

4.1/2 =.50

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4 years ago

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3 years ago

Standing on a cliff 380 meters above the sea, Pat sees an approaching ship and measures its angle of depression, obtaining 9 deg

exis [7]

Answer:

(a). 2399.23 meters.

(b). 1944.19 meters apart.

Step-by-step explanation:

Please find the attachment.

We have been given that standing on a cliff 380 meters above the sea, Pat sees an approaching ship and measures its angle of depression, obtaining 9 degrees.

(a) We are asked to find how far from the shore is the ship.

We know that tangent relates opposite side of a right triangle with its adjacent side.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$

$\text{tan}(9^{\circ})=\frac{380}{x}$

$x=\frac{380}{\text{tan}(9^{\circ})}$

$x=\frac{380}{0.158384440325}=2399.22557$

Therefore, the ship is approximately 2399.23 meters away from the shore.

$\text{tan}(5^{\circ})=\frac{380}{x+y}$

$x+y=\frac{380}{\text{tan}(5^{\circ})}$

$x+y=\frac{380}{0.087488663526}$

$2399.22557+y=4343.419875$

$y=4343.419875-2399.22557$

$y=1944.194305\approx 1944.19$

Therefore, the both ships are approximately 1944.19 meters apart.

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3 years ago

Write the recurring decimal 0 32 . o as a fraction. You must show all your working

Mrrafil [7]

Answer:

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Step-by-step explanation:

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3 years ago

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olga_2 [115]

Answer:

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Step-by-step explanation:

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3 years ago