Answer:
49
Step-by-step explanation:
25b² + 70b + ....
( 5b + 7)² = 5×5b² + 2×5×7b + 7×7 = 25b² + 70b + 49
This is completing the square:
(x^2+12x+36)+42-36
Answer: (x+6)^2 +6
Answer:
200
Step-by-step explanation:
Janet = x + 75
Kathy = x
2x + 75 = 325
2x = 325 - 75
2x = 250
x/Kathy = 125
x + 75/Janet = 125 + 75
= 200
Answer:
Step-by-step explanation:
<u>1 and 2/3 minus 4/5</u>
- 1 2/3 - 4/5 =
- 5/3 - 4/5 =
- 25/15 - 12/15 =
- 13/15
Answer:
True
Step-by-step explanation:
If there are an equal amount of red and blue marbles, then the statement would be true, since there's just as many red marbles in the jar as there are blue marbles.
