Answer:
What are the choices?
Step-by-step explanation:
Answer:
<h2>There are 33 pennies, 66 dimes and 66 nickels</h2>
Step-by-step explanation:
let the pennies be p
nickles be n
and dimes be d
p+n+d=165----------------1
Also n=2p
d=2p
substitute n=2p and d=2p in the eqn 1
p+2p+2p=165
5p=165
p=165/5
p=33
n=2(33)
n=66 nickels
d=(33)
d=66dimes
Answer:
7.5
Step-by-step explanation:
5.5x + 3 = y
7x =y
5.5x + 3 = 7x (-5.5x both sides)
3 = 1.5x (÷1.5 both sides)
X = 2
Michael takes two hours
ABC is a right triangle, so by Pythagoras' theorem,
Then by the law of sines,