Answer:-8x^2-6x+36xy^2+27y^2
Step-by-step explanation:
using the FOIL method
Given: 1 cm = 2 3/4 ft ; kitchen length = 4 1/2 cm
2 3/4 = 11/4; 4 1/2= 9/2
11/4 x 9/2 = 99/8 =12 3/8
OR You could use decimals
2 3/4 = 2.75 ; 4 1/2 = 4.5
2.75 x 4.5 = 12.375
12.375 = 12 375/1000 or 12 3/8
2 times 4/3= 8/3 8/3-6/3=2/3 therefore Clyde needs 2/3 cup more flour.
A line perpendicular to another line has to have the negative reciprocal of the other's slope, so any equation with the slope 1/9 is perpendicular to that line.
Answer:
0.64
Step-by-step explanation:
Please refer to the attached image for explanations