Just think about it
right angles are the very definition of perpendicular
how many right angles in a full rotation? 4
answer is 4
Answer:
=3
Step-by-step explanation:
Combine like terms 3-6x=-15
Subtract 3 from both sides of the equation -6x=-18
divide both sides by 6 x=3
A. Expanding the given expression, you have
balance = 75r^2 +150r +75
B. For r=0.10, the balance after 2 years is 75*1.1^2 = 90.75
C. The difference between $120 and 90.75 is $29.25. You need $29.25 more to buy the bicycle.
Answer:
$2 per pen
Step-by-step explanation:
mechanical pencils: 5.25
all pens: 8
5.25+8= $13.25
:)