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lukranit [14]
3 years ago
9

To start planning the rooms' floor plans, you draw them each to scale on large sheets of paper. You are going to use the scale 1

foot: 2 inches. That is, 1 foot in real life will be represented by 2 inches on your paper. How many square inches of paper do you need for the bedroom? explain how you came up with your answer.​
Mathematics
1 answer:
Gre4nikov [31]3 years ago
8 0
480 is the answer I just took the test
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you want to create a box that can hold at the very longest a 4in object. find the dimensions of a box that will work
ser-zykov [4K]

If you were working with a flat rectangle and you were given the diagonal,
you'd want to use the Pythagorean theorem to choose two sides whose
squares would add up to the square of the diagonal.

It works exactly the same with a 3-D box.  We need three dimensions for
the box, whose squares add up to the square of the diagonal between
opposite corners.  That's (4)² = 16.

So (L)² + (W²) + (H²) = 16 . From there, you're completely free to pick any
numbers you want, just as long as their squares add up to 16.  There are
an infinite number of possibilities.  Here are a few:

1 x 1 x √14

1 x 2 x √11

2 x 2 x √8

2 x 3 x √3

1 x 3 x √6


5 0
4 years ago
Read 2 more answers
A cubic inch of PVC material weight 0.063 pounds per cubic inch. What’s the weight of a 36 inch piece of PVC pipe with an outsid
artcher [175]

Answer:

Option B. 0.783 pounds

Step-by-step explanation:

step 1

Find the area of a a 36 inch piece of PVC pipe with an outside diameter of 0.82 inches and an inside diameter of 0.75 inches

The area of a circle is equal to

A=\pi r^{2}

we have

r2=0.82\ in

r1=0.75\ in

assume

\pi =3.14

A=\pi (r2^2-r1^2)

substitute the values

A=(3.14)(0.82^2-0.75^2)

A=0.345086\ in^2

step 2

Find the volume of the piece of PVC

Multiply the area by its length

V=0.345086(36)=12.42\ in^3

step 3

Find the weight of the piece of PVC

Multiply the volume by its density

The density is 0.063\frac{lb}{in^3}

so

W=12.42(0.063)=0.783\ lb

4 0
3 years ago
A toy store received a large shipment of toy race cars. The cars come in blue and red. Because the red cars are more popular, th
Serhud [2]

Answer:

24 cars

Step-by-step explanation:

Given

Red:Blue = 3:2

Cars = 40

Required

Determine the number of red cars

Number of red cars is calculated using:

Red\ Cars = \frac{Red\ Ratio}{Total\ Ratio} * Cars

Red\ Cars = \frac{3}{3 + 2} * 40

Red\ Cars = \frac{3}{5} * 40

Red\ Cars = \frac{3 * 40}{5}

Red\ Cars = \frac{120}{5}

Red\ Cars = 24

5 0
4 years ago
What single percentage change is equivalent to a 7% decrease followed by a 12% increase?
dsp73

Answer:

<h2>4.16%</h2>

Step-by-step explanation:

decrease 7%

100 - 7% = 93

increase 12%

93 + 12% = 104.16

104.16 - 100 = 4.16%

8 0
3 years ago
Pls help ill give extra points
Serjik [45]

Answer:

13x

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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