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baherus [9]
4 years ago
13

You are making a scale drawing of your classroom using the scale 1 inch: 3 feet the floor of your classroom is a rectangle with

a length of 21 feet and width of 18 feet what should th

Mathematics
2 answers:
Sunny_sXe [5.5K]4 years ago
7 0
Multiply 21 and 18 to get 378
Thepotemich [5.8K]4 years ago
6 0
I think the answer would be 8
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500x+6y=11216. and 800x+4y=9344 solve substuition method
Sedaia [141]

we have

500x+6y=11,216 ---------> equation 1

800x+4y=9,344 ---------> equation 2

<u>In the equation 1 clear variable x</u>

500x+6y=11,216\\ 500x=11,216-6y

x=22.432 -0.012y ----------> equation 3

Substitute the equation 3 in the equation 2

800*[22.432 -0.012y]+4y=9344

800*[22.432 -0.012y]+4y=9,344\\17,945.6- 9.6y+4y=9,344\\9.6y-4y= 17,945.6-9,344\\ 5.6y=8,601.6\\y=8,601.6/5.6\\y= 1,536

<u>Find the value of x</u>

x=22.432 -0.012y

x=22.432 -0.012*1,536

x=4

therefore

<u>the answer is</u>

x=4

y=1,536  

4 0
3 years ago
Find the unit rate.
IceJOKER [234]

Answer:

<em>Unit rate is 54 words per minute</em>

Step-by-step explanation:

297 / 5.5

297 ÷ 5.5 = 54

7 0
3 years ago
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The equations 3x-2y=-14 and 3x+y=-11 are plotted on the same set of axes. what are the coordinates of a point that's common to b
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Step-by-step explanation:

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3 years ago
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Find the surface area of the composite solid. Leave your answer in terms of pi.
bonufazy [111]
Total surface area = lateral area of cone + lateral area of cylinder + area of base of cylinder:
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base: πr² = π(5cm)² = 25πcm²
total surface area = 65πcm² + 120πcm² + 25πcm² = 210πcm²
4 0
3 years ago
A slide was installed at the local swimming pool, as shown here<br> What is the length of the slide?
tresset_1 [31]
Original number 21.4709
Rounded to the nearest hundredth 21.471
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3 years ago
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