Answer:
3(3+4)2= 42
Step-by-step explanation:
Answer:
D.−√5
Step-by-step explanation:
4 sqrt(20) -3 sqrt(45)
We know that sqrt(ab) = sqrt(a) sqrt(b)
4 sqrt(4) sqrt(5) - 3 sqrt(9) sqrt(5)
4 *2 sqrt(5) - 3 *3 sqrt(5)
8 sqrt(5) - 9 sqrt(5)
- sqrt(5)
Answer:
4 5/8
Step-by-step explanation:
7 7/8 - 3 1/4
7 7/8 - 3 2/8
4 5/8