Answer:
x=2 and y= -2
Step-by-step explanation:
Substitute y=x-4 in second equation
x-4=4x-10
get x terms on one side and numbers on other sides
4x-x=10-4
3x=6
divide 3 on both sides
x=2
substitute x=2 in y=x-4
y=2-4
y= -2
The total amount of money Sandra paid for a slice of pizza with a side salad including tax is $10.089
<h3>How to find total price including tax</h3>
- Price of slice of pizza with a side salad = $9.50
- Tax = 6.2%
Total amount Sandra paid = Price of slice of pizza with a side salad + (Tax × Price of slice of pizza with a side salad)
= 9.50 + (6.2% × 9.50)
= 9.50 + (0.062 × 9.50)
= 9.50 + 0.589
= $10.089
Therefore, the total amount Sandra paid is $10.089
Learn more about percentage:
brainly.com/question/843074
Answer:
i don't know this answer but i do know something about math i know a square plus b square = c square
Step-by-step explanation:
25, because a cube that is 10x10 would have an area of 100. and the cubes that are 2x2 would have an area of 4. so you take 100 and divide it by 4. answer is 25.
