Answer:
-1.3125
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(3.1-(-3.2))/(-2.4-2.4)
m=(3.1+3.2)/-4.8
m=6.3/-4.8
m=-1.3125
Answer:
3.5 yards and 10 yards
Step-by-step explanation:
It would round to 124,610
First we define variables:
x = first card original value
y = second card original value
z = third card original value
We write the system of equations:
Andrew bought 3 baseball cards for $ 240:
x + y + z = 240
the first card (at its original value) along with the second card (at its original price) and got $ 320:
2x + y = 320
the first card (at its original value) card along with the third card (at its original price) would have only got him $ 280:
2x + z = 280
Solving the system we have:
x = 120
y = 80
z = 40
Answer:
The original prices for each of the 3 baseball cards is:
(120, 80, 40)
Answer:
x = 5
y = 6
Step-by-step explanation:
-3x + 2y = -3
-x - y = -11 (Multiply everything by 2)
-3x + 2y = -3
-2x - 2y = -22
-5x = -25
x = 5
-x - y = -11
-5 - y = -11
-y = -11 + 5
-y = -6
y = 6
