.8 (88%)+.2x=90%
70.4%+.2x=90%
subtract 70.4% from 90% to get 19.6%
make the .2x into 2 and the 19.6 into 196
divide 196 by 2 to come up with the answer of 98%.
you will need a 98% to have a 90% for the final grade
Answer:
9 sides
Step-by-step explanation:
7y + 2y = 180
9y = 180
y =20
so, 2y, the exterior angle is 2 x 20 = 40
Divide 360 by 40 = 9
Answer:
Equations 1 & 3 are correct.
Explanation:
Equation 2's actual answer is -8, and Equation 4's actual answer is positive 7.
A quater one half of the cions are dimes grandpa has an equal amount of nickels and pennies
Answer:
B.
Step-by-step explanation:
The least amount of water in a pool is zero gallons.
It takes 16 minutes to reach zero gallons (the pool is empty).
The domain is from 0 to 16.
Answer: B.