Answer:
3. 15 baskets
4. 16 tries
Step-by-step explanation:
3.
3: 4 is ratio so 3:4=x:20, 3/4=x/20, and you get x=15
4. ratio is still 3:4, 3:4=12:x, 3/4=12/x, x=16, so 16 tries
Answer:
17.4 cm²
Step-by-step explanation:
base = 3x2.6x0.5 = 3.9 cm²
3 sides = 3(3)(3)(0.5) = 13.5 cm²
13.5 + 3.9 = 17.4 cm²
Answer:
the answer is attached to the picture
the square of a negative number always be positive
eg: -2² = -2×-2 = (-×- = +) +4
the cube of a negative number always be positive
eg: -2³ = -2×-2×-2 = (-×-×- = +) -8
hope it helps...!!!
Answer:
x1 = -4; x2 = 10
Step-by-step explanation:
1) Expand the module as two separate equations:
x - 3 = 7
x - 3 = -7
2) Solve the equations:
x = 10
x = -4
=> x1 = -4; x2 = 10