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True [87]
3 years ago
11

ILL BRAINLIEST IF YOU GET IT RIGHT PLEASE HELP ME FIND THE VALUE OF X

Mathematics
1 answer:
svetoff [14.1K]3 years ago
3 0

Answer:

x=60°

Step-by-step explanation:

x=x(vertically opposite angles)

Now,

x+120°=180°

x=180°-120°

x=60°

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A queen size mattress has a catalog price of $428.99. The trade-discount rate is 20%. What is the net price to the nearest cent?
slava [35]
The queen size mattress has a catalog price of 428.99 dollars.
NOw, it has a trade discount rate or 20% 
=> 20% / 100% = .20
Next is to do the solution:
=>  428.99 * .20 = 85.798 dollars or 85.80
Now, let's find out the net price:
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5 0
3 years ago
Mr. Young is arranging computer's in the computer lab. he has 25 computers and 5 rows of desks. he wants to put the same number
TEA [102]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
Lela purchased three mechanical pencils and a notebook that cost five dollars per purchase totaled $11 how much was each pencil
alexdok [17]

Answer: 3p+5=11

Step-by-step explanation:

3p+5=11

-5 -5

3p=6

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$2

3 0
3 years ago
A number, x, rounded to 1 decimal place is 3.7<br>Write down the error interval for x.​
alekssr [168]

Answer:

3.65 \leqslant x \leqslant 3.75

Step-by-step explanation:

The error in rounding a number is half of the unit of measure.

The number was rounded to the nearest 0.1 unit so the error is 1/2×0.1, which equals 0.05.

Now we add 3.7 and 0.05, which equals 3.75 and we also take 3.7 - 0.05, which equals 3.65

So, the error interval is:

3.65 \leqslant x \leqslant 3.75

4 0
3 years ago
12.
IrinaVladis [17]

Answer:

Length of the room is   180 ft

Step-by-step explanation:

We have a rectangular room with dimensions:

width  =  70  ft       and  length    "x" (unknown)

Perimeter of a rectangle   is   2*w  +  2*x    and according to problem statement 500 ft of lights will fit exactly in room perimeter then:

2*70  +  2*x   =  500

140  + 2*x  =  500

2*x  =  500 - 140

2*x  = 360

x  = 360/2

x  =  180  ft

5 0
3 years ago
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