Answer:
None, unless c was a typo
Step-by-step explanation:
Distributing gets us xy+2x=5
None of the options is that
If you meant option c as xy+2x = 5 though, then it would be correct
Answer:
The answer is 960cm3
Step-by-step explanation:
you multiply all the numbers
Answer:
100 miles is the answer
Step-by-step explanation:
3 inches = 20 miles
15/3 = 5
5 x 20
= 100 miles
Answer:
x=πn, n∈Z
Step-by-step explanation:
if sin²2x=1-cos²2x, then
1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;

See how many 5s there are in 47? There are 9 and also a leftover 2 which is your remainder.<span />