Answer:
20x²+2xy-4y²
Step-by-step explanation:
(2x + y) (10x -4y)
=2x (10x-4y) +y (10x-4y)
= 20x²-8xy+10xy-4y²
=20x²+2xy-4y²
Answer:
The least common denominator is 12.
Step-by-step explanation:
1/6 and 5/12.
Skip count by 6and 12.
6: 6,12,18,24,30.....
12: 12,24, 36,48...
12, appeared first, so 12 is the least common denominator.
hope it helps.
Answer:
15.00+(0.25)x=c
Step-by-step explanation:
15.00+(0.25)x=c 15 is the flat out fee plus the 0.25 times the amoutn f miles then add 15+ the miles and you get the answer
X=-2 I think my bad if u got it ring
Answer:
7.3
Step-by-step explanation:
The two triangles are similar, meaning that they have the same angles but the triangles are in different sizes. To solve this, use proportions:

Cross multiply:
