Answer:
8
Step-by-step explanation:
Substitute the given values into the expression
xy²
= × 4 × (- 2)²
= 2 × 4
= 8
33+9=42. 42-40=2. These simple calculations show that two people must have raised there hands for both because the sum of the two groups who raised hands is two more than the amount of people in the actual class
Hello! Could you possibly give an example of what kind of bacteria? The answer varies until you give me a specific situation.
Answer:
d^-1(t)=t/70
Step-by-step explanation:
Answer:
The value of x = 3.5 or -4
Step-by-step explanation:
=> 2x² = 28 – x
=> 2x²+ x - 28 = 0
=> 2x² + 8x - 7x - 28 = 0
=> 2x ( x + 4 ) - 7 ( x + 4 ) = 0
=> (2x - 7 ) ( x + 4 )
=> x = 7/2 = 3.5 or x = -4
