Answer:
The dimensions of the desktop are (x+7) units by (x-7) units
Step-by-step explanation:
we know that
The difference of squares is equal to
we have
Remember that
substitute
Applying difference of squares
therefore
The dimensions of the desktop are (x+7) units by (x-7) units
10 because it is teh number but with the opposite sign opposite of a posiive is a negative
A) P (8)=1/15
B)P (7 or 11)=2/15
C)P (less than 20)=15/15
D)P (odd number)=8/15
E)P (multiple of 3)=5/15
F)P (35)=0/15
Answer:
16896
Step-by-step explanation:
3×1×11×512
=16896
Choice A is one of the answers. Nice work. This is because x+x+x turns into 3x.
Choice D is the other answer because 2(x+1) + x = 2x+2+x = 3x+2. You can find this through trial and error. Or you could graph y = x+x+x+2 and y = 2(x+1)+2 to find that they are the same exact identical diagonal line. A non-graph approach would be to set up a table of values to see that the two tables are identical.