Answer:
The answer is D.
Step-by-step explanation:
We have to apply Discriminant Law. When a quadratic equation, ax² + bx + c = 0 has equal roots so the discriminant will be 0. Then, you have to substitute the values into the formula :








Answer:
about 8.3 miles an hour.
Step-by-step explanation:
34/4 is 8.5
90/11 is 8.2
average: 8.3
Answer:
I think it would be -2 if it has a negative charge
Step-by-step explanation:
3 cups!
2 (cups) make 20 biscuits so 1 cup makes 10
so 2 + 1 (cups of flour ) = 20 + 10 biscuits