Q5. Solve for x and y using elimination method.
10x +3y = 75, 6x - 5y = 11

16x - 2y = 86

Step-by-step explanation:

10x + 3y = 75

+ 6x - 5y = 11

=

16x -2y =86

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: