Answer:
see explanation
Step-by-step explanation:
Her error is in squaring (2y)²
She has (2y)² = 2y²
when it should be 2y × 2y = 4y²
Then
(2y)² = 6² + 8²
4y² = 36 + 64
4y² = 100 ( divide both sides by 4 )
y² = 25 ( take square root of both sides )
y = 
= 5
Answer:
C = -6
Step-by-step explanation:
1 +-7 =-6:::::::::::::::::::
When simplified:
8x^2-8+3x^2+6x
= 11x^2+6x-8
Therefore, the answer would be 3 terms... C.
First you must convert the weight from pounds to kg. 50 pounds is 22.7kg. You divide 50 by 2.2 to get that. Then you woukd divide what was ordered by what you have on hand 1.5÷75x ml. It would equal 0.02.
Answer:
you only put a parenthesis around a number if it is negative
Step-by-step explanation:
