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nydimaria [60]
4 years ago
13

$12.25 pen set; 60% discount

Mathematics
1 answer:
Inessa05 [86]4 years ago
6 0
As you want a 60% discount, you must find 40% of $12.25.

40% of $12.25 is the same as 2/5 of $12.25.

Now, 12.25 / 5 = 2.45

And, 2.45 x 2 = 4.90

--------------

This means that 60% off $12.25 is $4.90.
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The line 2x + 3y - k = 0 bisects the line segment joining the points A(4, -3) and B(-2, 5). Find the value of k.​
lisabon 2012 [21]

Answer:

5

Step-by-step explanation:

The midpoint of segment AB is (1, 1).

Substituting these coordinates into the equation of the line,

2(1)+3(1)-k=0 \\ \\ 5-k=0 \\ \\ k=5

3 0
2 years ago
I. You gain 12 pounds. II. A balloon descends 12 feet. III. A metal spring gets 12 inches shorter. The integer -12 would BEST re
egoroff_w [7]
I think it's D, - 12 indicates a loss of something /something getting less
8 0
4 years ago
A decreased by 20% and then increased by 20% express using algebra<br> asapppppp
Ket [755]

Answer:

96%

Step-by-step explanation:

assume the whole number is x

the first thing is decreasing by 20 %

x - 20%x = 80% x

then now the 80%x is the whole number  

now It's the turn of increasing

80%x + 20% * (80% x) = 80%x + 16%x = 96% x

I hope this is hlepful to you !!!!

Feel free to ask me in the comments

6 0
3 years ago
One month, Ruby worked 6 hours more than Isaac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hour
Paladinen [302]

Answer/Step-by-step explanation:

Let x hours be the number of hours Issac worked

    x+6 hours be the number of hours Ruby worked

   4(x+6) hours be the number of hours Svetlana worked.

x + x + 6 + 4(x+6) = 126

x + x + 6 + 4x +24 = 126

                  6x +30 = 126

                         6x = 96

                           x = 16

Therefore, Issac worked 16 hours.

                 Ruby worked 16+6 = 22 hours

                 Svetlana worked 22 × 4 = 88 hours.

<u><em>If helpful, please mark as brainliest! =)</em></u>

6 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points (−4,2) and (6,-3)?
iren [92.7K]
-2 would be the slope in simplified form. You had to use the formula y2-y1 over x2-x1
4 0
4 years ago
Read 2 more answers
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