1) Find the gradient of the line by using two of the points given.
2) Find the y-intercept by using either one of the points into y=mx+c
3) The eq. is, y=5x-1
Answer:
option C 2*x + 3*y = 7.20
4 *x + 2*y = 8.80
1.4
Step-by-step explanation:
PART A
Steve
2lbs of grapefruit
3lbs oranges for $7.20
kennedy
4lb grapefruit
2lb oranges for $8.80
price 1 pound grapefruit x
1 pound oranges y
Then for steve
2*x + 3*y = 7.20
for kennedy
4 *x + 2*y = 8.80
PART B
now we have to find y from above equations
2x + 3y = 7.20 multiply by 2 on both sides 4x + 6y = 14.4
4x + 2y = 8.80
next by substracting the above two equations we get
6y - 2y = 14.4 - 8.80
4y = 5.6
y = 1.4
Answer:
The answer is x= -5
Step-by-step explanation:
hope this helps
Solutions:
7x – 11x = 20
-4x=20
To find the x divide both side by -4
-4x/-4=20/-4
x= -5
Answer:
He spends $107.40.
Step-by-step explanation:
all you have to do is multiply 8.95 by 12
He spends $107.40
Answer:
x − 36 ≥ 55
Step-by-step explanation:
Given:
At least income = $76
Total expenses = $34
Find:
Inequality
Computation:
Assume;
Total amount of sales = x
So,
Inequality;
x − 36 ≥ 55
