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Bess [88]
3 years ago
9

Plss help!!! (15pts)​

Mathematics
2 answers:
liubo4ka [24]3 years ago
7 0

Answer:

w=54

Step-by-step explanation:

sergeinik [125]3 years ago
4 0

Answer:

W = 54

Step-by-step explanation:

Angles on a straight line add up to 180

180 - 126 = 54

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After dividing a piece of wood into four equal sections,each section is 4 in.long.How long was the piece of wood I started with
Cerrena [4.2K]

I'm going to out on a limb and say 16 in.

4 pieces * 4 in. = 16

5 0
3 years ago
One number is four less than a second number. Three times the first is 13 more than 4 times the
Gala2k [10]

Answer:

sup

Step-by-step explanation:

5 0
2 years ago
Cynthia Besch wants to buy a rug for a room that is 21 ft wide and 34 ft long. She wants to leave
Daniel [21]

Answer:

Dimensions of the rug = 13 ft × 26 ft

Step-by-step explanation:

Dimensions of the room = 21 ft × 34 ft

Area of the room = 21 × 34 = 714 ft²

Cynthia wants to leave a uniform strip of floor around the rug.

Let the width of the rug = x ft

Then the dimensions of the rug will be = (21- 2x)ft × (34 - 2x)ft

Area of the rug = (21 - 2x)×(34 - 2x) square feet

338 = (21 - 2x)×(34 - 2x)

338 = 714 - 68x - 42x + 4x²

4x² - 110x + 714 - 338 = 0

4x² - 110x + 376 = 0

2x² - 55x + 188 = 0

2x² - 47x - 8x + 188 = 0

x(2x - 47) - 8(x - 47) = 0  

(x - 4)(2x - 47) = 0

x = 4, \frac{47}{2}

For x = 23.5 area of the rug will be negative.

Therefore, x = 4 ft will be the width of the rug.

Dimensions of the rug will be 13 ft × 26 ft. 

7 0
3 years ago
if you are in school for 178 days for 6 hours and 40 minutes how many hours and minutes would you be in school over all​
GREYUIT [131]

Answer:

1139.2 hours

Step-by-step explanation:

6.40 x 178 = 1139.2

4 0
2 years ago
Read 2 more answers
If 12 boxes stacked is 16 feet high, how tall is a stack of 16 boxes
siniylev [52]

Answer:20 feet

Step-by-step explanation:16 -12=4 and then take 16 divided by 4 which is 4 so u add 4 to 16 so the boxes will be 20 feet high

4 0
2 years ago
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