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umka21 [38]
3 years ago
13

Select the order pair(s) that are solutions to this system of inequalities:

Mathematics
1 answer:
Usimov [2.4K]3 years ago
6 0
Use desmos.com and graph those inequalities. It is pretty easy.
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Three fifths of the sum of 13 and 6
Nadya [2.5K]

Answer: 11.4

Step-by-step explanation:

change to numbers \frac{3}{5} (13+6)

simplify \frac{3}{5} (19)\\11.4

6 0
3 years ago
Michael is 4 times as old as Brandon and is also 27 years older than Brandon.
kiruha [24]
I’m kinda confused on what the question is but michael is 108 if that’s what your asking
7 0
2 years ago
Read 2 more answers
Peter has $100. The price of a watch is $60. If peter gets 25% discounts, can he buy 2 watches
slamgirl [31]
Do 60 divided by 4 ( 25 percent) which is 15. 60-15 is 45. 45 plus 45 is 90 so yes he has enough money to buy two watches
5 0
3 years ago
Read 2 more answers
Please show the work/explain. I need to write it down.
Maksim231197 [3]

9514 1404 393

Answer:

  • 20 months
  • $5500

Step-by-step explanation:

There are a couple of ways to work a problem like this. You have probably been taught to write equations for each of the payment amounts as a function of time, then equate those values to solve for the time that makes them equal.

  at dealer 1, the total amount paid (y) will be a function of months (x):

     y = 2500 +150x

  at dealer 2, the corresponding equation is ...

     y = 3000 +125x

These are equal when ...

  y = y

  2500 +150x = 3000 +125x

  25x = 500 . . . . . . . . . subtract 125x +2500 from both sides

  x = 500/25 = 20

The total paid will be the same after 20 months.

That amount is ...

  y = 2500 +150(20) = 5500

$5500 will be paid to either dealer after 20 months.

__

The other way to work the problem is to "cut to the chase". The difference in down payment is made up at the rate of difference in monthly payments. So The number of monthly payments (x) required to equal the difference in down payments is ...

  25x = 500 . . . . . . . . . you may recognize this equation from above

  x = 500/25 = 20

5 0
2 years ago
I need help with this question. can someone please help me
Ahat [919]
-2x + y =3
use 5 number and put it in above equation to find y, I will use -2,-1,0,1,2
x      y
-2   -1
-1    1
 0    3
 1    5
 2    7

Then draw the graph, find another point in the graph which intersect the slope, 
lets say i found (-3,-3)which is on the slope
to prove it, i put (-3,-3) in the equation -2x + y = 3
and i got 
3 = 3
Thus it is correct.

7 0
3 years ago
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