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ANTONII [103]
2 years ago
9

David made a scale drawing of an Olympic-sized pool the pool is 20.5 in long and the drawing that I can shoot pool is 164 ft lon

g what is the correct scale of the drawing
Mathematics
2 answers:
KatRina [158]2 years ago
7 0

Answer:

1.8

Step-by-step explanation:

SIZIF [17.4K]2 years ago
4 0

Answer:

Scale = 1\ in : 8\ ft

Step-by-step explanation:

Given

Scale\ Measurement = 20.5in

Actual\ Measurement = 164ft

Required

Determine the scale

The scale is calculated using the following ratio:

Scale = Scale\ Measurement : Actual\ Measurement;

Substitute values for Scale and Actual Measurements

Scale = 20.5\ in : 164\ ft

Divide ratio by 20.5

Scale = 20.5/20.5\ in : 164/20.5\ ft

Scale = 1\ in : 8\ ft

This implies that: <em>1 inch on scale represents 8 ft in actual measurement</em>

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Please help me quick :)
krek1111 [17]
It would be an average of about 8.00 (7.99 to be somewhat exact). You get this by dividing the total amount by 200, the dividing that by 363.
7 0
3 years ago
Read 2 more answers
Becky bought a new Apple computer for $1,205. The purchase price included a 6% sales tax. What's the actual selling price of the
blagie [28]

Answer:

D. $1,136.79

Step-by-step explanation:

In this example, we want to learn what the original price of the computer would be if the price is $1,205, and this includes a 6% sales tax. This means that this price is 106% of the original price (100% is the price, while 6% is the tax). Therefore:

1205 * 1.06 = 1136.79

7 0
3 years ago
A sign in the the store window advertises 3-t shirts for $16.50 which coronet pierced as a unit rate of the T-shirt sale sc $16.
Kruka [31]
You would have to divide 16.50 into 3 then put your answer down hope this helps
8 0
3 years ago
Solve the system by substitution.<br> [-2.5x+y = 13.5<br> 12.25x - y=-12.25
IrinaK [193]

Answer:

x = 5/39 , y = 539/39

Step-by-step explanation:

Solve the following system:

{y - 2.5 x = 13.5

12.25 x - y = -12.25

In the first equation, look to solve for y:

{y - 2.5 x = 13.5

12.25 x - y = -12.25

y - 2.5 x = y - (5 x)/2 and 13.5 = 27/2:

y - (5 x)/2 = 27/2

Add (5 x)/2 to both sides:

{y = 1/2 (5 x + 27)

12.25 x - y = -12.25

Substitute y = 1/2 (5 x + 27) into the second equation:

{y = 1/2 (5 x + 27)

1/2 (-5 x - 27) + 12.25 x = -12.25

(-5 x - 27)/2 + 12.25 x = 12.25 x + (-(5 x)/2 - 27/2) = 9.75 x - 27/2:

{y = 1/2 (5 x + 27)

9.75 x - 27/2 = -12.25

In the second equation, look to solve for x:

{y = 1/2 (5 x + 27)

9.75 x - 27/2 = -12.25

9.75 x - 27/2 = (39 x)/4 - 27/2 and -12.25 = -49/4:

(39 x)/4 - 27/2 = -49/4

Add 27/2 to both sides:

{y = 1/2 (5 x + 27)

(39 x)/4 = 5/4

Multiply both sides by 4/39:

{y = 1/2 (5 x + 27)

x = 5/39

Substitute x = 5/39 into the first equation:

{y = 539/39

x = 5/39

Collect results in alphabetical order:

Answer: {x = 5/39 , y = 539/39

5 0
3 years ago
Pls help fast:<br>How many ways can 3 songs be chosen from 12 to create a 3 song ordered play list?​
leva [86]

Answer:

1320

Step-by-step explanation:

Total number of songs = 12

Number of songs required to arrange in a play list = 3

It means we have to arrange 3 songs from 12 in the play lines. So, required number of ways is

Ways=^{12}P_{3}

Ways=\dfrac{12!}{(12-3)!}         [\because ^nP_r=\dfrac{n!}{(n-r)!}]

Ways=\dfrac{12\times 11\times 10\times 9!}{9!}

Ways=1320

Therefore, the required number of ways is 1320.

3 0
3 years ago
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