class a - a class with 3 boys and 7 girls because im assuming the total of students is 10 and it says girls (7) to total (10) so 10 - 7 equals 3 so thats the number of boys
Answer:
x = -
Step-by-step explanation:
Given
9x² + 30x + 25 = 0 ← left side is a perfect square
(3x + 5)² = 0, thus
3x + 5 = 0 ⇒ 3x = - 5 ⇒ x = -
solution is x = - with multiplicity 2
Answer:
I am not sure how the graph works but the first green dot should be dragged down to the point where it is at 16 millimeters. The second green dot should stay where it is at 44 millimeters. Hope this helps!
Step-by-step explanation:
Answer:
1 quart = .947 L
3 Q = 2.841 L
So you should use 2.841 L to dissolve the powder
A(5a + 6b).
Because a is the thing both terms have in common, and the numbers inside the brackets are the terms you need to multiply by a to get 5a2 and 6ab.
Hope this helps!