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3 years ago

A swimming pool at a park measure 8.75 by 6.2 meters. Find the area of the swimming pool

Mathematics

2 answers:

Ber [7]3 years ago

8 0

Answer:

54.25

Step-by-step explanation:

hi! so length x width = the area so your going to want to put in the numbers

8.75 x 6.2 = 54.25

54.25 is the area, love.

if there is the depth then you would multiply 54.25 by the depth. alright?

if you need anything else let me know.

sleet_krkn [62]3 years ago

3 0

Answer:

=54.25 m^2

Step-by-step explanation:

We will assume the pool is a rectangle

A = l*w

A = (8.75) * (6.2)

=54.25 m^2

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A point H is 20m away from the foot of a tower on the same horizontal ground. From the point H, the angle of elevation of the po

astra-53 [7]

Answer:

a. See Attachment 1

b. $PT = 12.3\ m$

c. $HT = 31.1\ m$

d. $OH = 28.4\ m$

Step-by-step explanation:

Calculating PT

To calculate PT, we need to get distance OT and OP

Calculating OT;

We have to consider angle 50, distance OH and distance OT

The relationship between these parameters is;

$tan50 = \frac{OT}{20}$

Multiply both sides by 20

$20 * tan50 = \frac{OT}{20} * 20$

$20 * tan50 = OT$

$20 * 1.1918 = OT$

$23.836 = OT$

$OT = 23.836$

Calculating OP;

We have to consider angle 30, distance OH and distance OP

The relationship between these parameters is;

$tan30 = \frac{OP}{20}$

Multiply both sides by 20

$20 * tan30 = \frac{OP}{20} * 20$

$20 * tan30 = OP$

$20 * 0.5774= OP$

$11.548 = OP$

$OP = 11.548$

$PT = OT - OP$

$PT = 23.836 - 11.548$

$PT = 12.288$

$PT = 12.3\ m$ (Approximated)

--------------------------------------------------------

Calculating the distance between H and the top of the tower

This is represented by HT

HT can be calculated using Pythagoras theorem

$HT^2 = OT^2 + OH^2$

Substitute 20 for OH and $OT = 23.836$

$HT^2 = 20^2 + 23.836^2$

$HT^2 = 400 + 568.154896$

$HT^2 = 968.154896$

Take Square Root of both sides

$HT = \sqrt{968.154896}$

$HT = 31.1\ m$ <em>(Approximated)</em>

--------------------------------------------------------

Calculating the position of H

This is represented by OH

See Attachment 2

We have to consider angle 50, distance OH and distance OT

The relationship between these parameters is;

$tan50 = \frac{OH}{OT}$

Multiply both sides by OT

$OT * tan50 = \frac{OH}{OT} * OT$

$OT * tan50 = {OH$

$OT * 1.1918 = OH$

Substitute $OT = 23.836$

$23.836 * 1.1918 = OH$

$28.4= OH$

$OH = 28.4\ m$ <em> (Approximated)</em>

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3 years ago

A man steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slo

Mumz [18]

Answer:

Step-by-step explanation:

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3 years ago

Write the slope intercept form of the equation through (2,-4) parallel to y=-1

elixir [45]

Answer:

-4

Step-by-step explanation:

Parallel to y= - 1, and passing through (2,-4):

8 0

3 years ago

Anyone know this answer?

Alexeev081 [22]

Answer:

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Step-by-step explanation:

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3 years ago

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Alik [6]

Answer: Option 'c' is correct.

Step-by-step explanation:

Advantages of filling tax return online:

1) It allows for greater accuracy when filling as online system is faster in updating and verifying the details of individual.

2) It allows for faster receipt of any refund due as it gives you print pdf of receipt of any refund due , don't need to go and make a queue to pay the bills or to get refund.

Hence, II and III are correct.

Therefore, Option 'c' is correct.

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3 years ago

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