Answer:
110
Step-by-step explanation:
Substitute x = 4 and y = 7
20 + 2 (3y - 4x)
= 20 + 2 [(3 x 7) - (4 x 4)]
= 20 + 2 (21 - 16)
= 20 + 2 (5)
= 22 (5)
= 110
Answer:
3 - 30+15
Step-by-step explanation:
take the outside number and multiply it by each individual number in the parenthesis one at a time
Answer:
2ft^3
Step-by-step explanation:
Volume= L× W× H
~
Answer:
x = 23
Step-by-step explanation:
∠ ABE = ∠ BEF = 4x ( alternate angles )
Since DBF is a straight line then the 3 angles sum to 180°, that is
x + 4x + 65 = 180
5x + 65 = 180 ( subtract 65 from both sides )
5x = 115 ( divide both sides by 5 )
x = 23