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3 years ago

M∠ABC=138° and m∠DEF=31°.

Mathematics

2 answers:

balandron [24]3 years ago

6 0

Answer:

The angles are neither complementary nor supplementary

Harman [31]3 years ago

6 0

Answer:

last one

Step-by-step explanation:

the angels are neither complementary nor supplementary

hope it helps and your day will be full of happiness

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The length of a room is 18

Virty [35]

Question:

The length of a room is 18 1 /2 feet. If using 1 /4 inch = 1 foot scale, what would be the length of a wall on a blueprint of a floor plan?

Answer:

The length of a wall on a blueprint of a floor plan is $4.625 \text{ or } 4\frac{5}{8} \text{ inches }$

Solution:

Given that,

$Length\ of\ room = 18\frac{1}{2} \text{ feet }\\\\Length\ of\ room = 18.5 \text{ feet }$

The scale given is:

$\frac{1}{4}\ inch = 1\ foot$

To find: Length of a wall on a blueprint of a floor plan

Let "x" be the length of a wall on a blueprint of a floor plan

Then from given,

$\frac{1}{4}\ inch = 1\ foot\\\\x\ inches = 18.5\ feet$

This forms a proportion and we can solve by cross multiplying

$\frac{1}{4} \times 18.5 = x \times 1\\\\x = 4.625\\\\In\ terms\ of\ mixed\ fraction,\\\\x = 4\frac{5}{8}$

Thus length of a wall on a blueprint of a floor plan is $4.625 \text{ or } 4\frac{5}{8} \text{ inches }$

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3 years ago

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4 years ago

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A homeowner plans to hang wallpaper on one wall of a bedroom that is 15 feet long. If a strip of wallepe wallpaper is 20 INCHES

sukhopar [10]

Answer:

The homeowner will require 9 strips of wallpaper.

Step-by-step explanation:

The question is asking "how many 20 inches fit into 15 feet?".

We know that

1 foot = 12 inches;

therefore, 15 feet will be

15 ft * 12 in/ft = 180 in.

Now, the number of 20 inches wallpaper strips that will fit into 180 in long wall will be

180 in/ 20 in = 9

Therefore, the homeowner will require 9 strips of wallpaper.

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4 years ago

Please solve-3(×-2)=2(×-7) and write a reason for each step

Vera_Pavlovna [14]

-3(x - 2) = 2(x - 7) remove the parentheses
-3x + 6 = 2x - 14. Move the terms
-3x - 2x = -14 - 6. Collect like terms. Calculate.
-5x = -20. Divide both sides.
Solution: x = 4

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3 years ago

Drag each tile to the correct box. Amanda, Derrick, and Todd attend the same high school. Each student works as the cashier one

wel

Answer:

Amanda > Todd > Derrick

Step-by-step explanation:

Amanda's IQR- 3.5

Derrick's IQR- 2

Todd's IQR- 3

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3 years ago