Hello!
You first make two equations
Let x stand for the price of a burger
Let y stand for the price of fries
3x + 2y = 7.15
4x + 3y = 9.93
multiply the top equation by 3 and the bottom equation by 2
9x + 6y = 21.45
8x + 6y = 19.86
You can subtract the two equations
x = 1.59
Now you can put x into one of the original equations
3(1.59) + 2y = 7.15
Combine like terms
4.77 + 2y = 7.15
Subtract 4.77 from both sides
2y = 2.38
Divide both sides by 2
y = 1.19
The answers are a burger cost $1.59 and Fries cost $1.19
Hope this helps!
Answer:
The bottom two are your answers.
Step-by-step explanation:
What you do is use the slope formula which is y_2-y_1/x_2-x_1.
So for PQ it will be 12(which is y_2)-6(which is y_1)/4(which is x_2)-5(which is x_1) which equals -6.
12-6/4-5=-6.
Answer:
m < -18/19
Step-by-step explanation:
8m + 95 < -87 m +5
Add 87m to each side
8m+87m + 95 < -87 m+87m +5
95m + 95 < 5
Subtract 95 from each side
95m + 95-95 < 5-95
95m < -90
Divide each side by 95
95m/95 < -90/95
m < -18/19
The answer to the first one is <
Answer:
105 degrees
Step-by-step explanation: 50 + 25 = 75. a triangle must have 180 degrees to be an actual triangle, take 180-75 and you get 105 degrees.
