What are the system of equations?
Answer:
a) How much Carl earns an hour? $15/h
b) Who earns more per hour? Carol
c) Graphed
Step-by-step explanation:
a) Carl earns $15 per hour.
Earnings per hour can be rewritten as earnings/per
Or earnings divided by hours.
Take a random pair of time and money earned:
$45/3h = $15/1h
Check it with another pair:
$75/5h = $15/1h
b) Carl earns more per hour.
His earnings can be modeled with the equation y = 15x. For every hour he works, he earned 15 dollars.
Louis's earnings are y = 12x, meaning he earns 12 dollars an hour.
15 > 12
c) See picture
Blue is Carl and red is Louis
Answer:
Well this is a very strange question indeed since different personalities can result in different reactions to each situation, but since the passage says that laughter is contagious, I would believe that the answer be B.
Step-by-step explanation:
Look at it this way:
When you flip a coin, the probability of it landing with EITHER side showing
is 100%.
This leads us to the rule ...
The sum of the probabilities of
all possible outcomes is 100%.
For a coin: (probability of heads) plus (probability of tails) = 100%.
That just says: We're 100% sure that the coin will land with either
heads or tails up.
An "honest" coin gets heads 50% of the time and tails the other 50%.
But if the coin is all bent and squashed and has a feather stuck to
one side and a wad of gum on the other side so that it comes up
heads 70% of the time, then the coin isn't 'honest'. But it still has to
land EITHER heads OR tails, so the sum of the probabilities is still 100%.
So the probability of heads is 30%.
According to PEMDAS, you should do the parenthesis first, then the multiplication, then the subtraction. Let's do it:
75-(8+45/3)*7
= 75-(8+15)*7
= 75- 23*7
= 75- 161
= -86.
Hope this helps~