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Scrat [10]
3 years ago
10

WILL MARK BRAINLIEST!!!!!! The cable television company reduced rates 20% last year. If the original service cost was $20.50, wh

at is the new cost?
Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

4.10

Step-by-step explanation:

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7
Anna71 [15]

Answer:

B)

Step-by-step explanation:

5 0
3 years ago
Whats an irrational number between 7.7 and 7.9 ?
kati45 [8]
The irrational in between should be 7.8
6 0
3 years ago
Read 2 more answers
Solve the following system of equations by elimination​
olya-2409 [2.1K]

Answer:

y = -6

x = 1

Step-by-step explanation:

-x + 2y = -13

-x - 2y = 11

Sum the equations:

-x -x = -2x

+2y - 2y = 0

-13 + 11 = -2

then

-2x = -2

x = -2/-2

x = 1

from the first eq.

-x + 2y = -13

-1 + 2y = -13

2y = -13 + 1

2y = -12

y = -12/2

y = -6

check:

from the second eq.

-x -2y = 11

-1 -(2*-6) = 11

-1 -(-12) = 11

-1 + 12 = 11

5 0
2 years ago
I NEED HELP PLEASE HELP ME OUT ILL GIVE YOU EXTRA POINTS
kati45 [8]

Answer: dont know just search it up

4 0
2 years ago
Calculate the area of a circle with a diameter of 6cm
7nadin3 [17]
Area of circle = πd²/4,    where d = diameter
 
                      = π*6*6/4 = 9π ≈ 9 *3.1416 ≈ 28.2744 cm²

Area ≈ 28.27 cm²

Hope this explains it.

4 0
3 years ago
Read 2 more answers
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