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IRISSAK [1]
3 years ago
10

After a 20% increase an article cost $270. The original cost of the article is​

Mathematics
2 answers:
aksik [14]3 years ago
8 0
$216
hope this helped!
Gekata [30.6K]3 years ago
3 0

Answer:

$216.00

Step-by-step explanation:

Final price: $216.00

Saved amount: $54.00

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I need help for this one do I add them up and equal them to 180?
nikitadnepr [17]
The measure of angle 1 is 210 degrees.

You'll have to draw an auxiliary line in between the two parallel lines.

Then, you'll have to find out the angle measures next to 100 and next to 50. Since a line is 180°, then the angle measures next to 100 and 50 are 80 and 130 respectively.

Then, since you have an auxiliary line, you can use the rule of alternate interior angles of parallel lines being equal.

Then from there just add up 80 and 130 to get you 210.
7 0
3 years ago
A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the bluepr
Ganezh [65]

Answer:

30 ft. x 55ft

Step-by-step explanation:

3 x 5.5

1 inch = 10 ft

3 * 10 = 30

5.5 = 55

30' x 55'

4 0
2 years ago
Indicate the equation of the given line in standard form. The line through the midpoint of and perpendicular to the segment join
lianna [129]
The midpoint is (3,-1) 

5 0
3 years ago
Solve:<br> -8r - (-2r-3) = 13<br><br> (if you can give a step by step, that would be great!)
coldgirl [10]

Answer:

r =  -  \frac{5}{3}  = 1 \frac{2}{3}  =  - 1.6

Step-by-step explanation:

- 8r -  ( - 2r - 3) = 13

- 8r + 2r + 3 = 13

- 6r + 3 = 13

- 6r = 13 - 3

- 6r = 10

\boxed{\green{r =  -  \frac{5}{3}  = 1 \frac{2}{3}  =  - 1.6}}

4 0
3 years ago
504 books a week so how many books a hour
Effectus [21]
<span>2.98214285714 an hour for 168 hours</span>
8 0
3 years ago
Read 2 more answers
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