-x^2 + 14 = 10
subtract 14 from each side
-x^2 = -4
divide each side by -1
x^2 =4
square root each side
x = 2
hope this helps!!! :)
Answer:
x=90 degrees
y=142 degrees
z=128 degrees
Step-by-step explanation:
Answer:27.5%
Step-by-step explanation:
To calculate the percentage discount between two prices, follow these steps:
- Subtract the post-discount price from the pre-discount price.
- Divide this new number by the pre-discount price.
- Multiply the resultant number by 100.
- Be proud of your mathematical abilities.
X + 14 + x + 14 = 17 + x + 7
2x + 28 = 24 + x
2x - x = 24 - 28
x = -4
DF = x + 14
= (-4) + 14
= 10
The answer is (5,-3) I hope this helps you!
