Answer:
. The sweaters cost $10 or less each. We graph it on a number line at 10 and use a filled in dot pointing towards zero for less than.
Step-by-step explanation:
Mrs. Smith buys 3 sweaters (represented by 3s) and 2 jeans (represented by 2j) for a total of at most $120. We don't know the total but we do know she couldn't spend more than $120.
We write .
We know the jeans cost $45 each, so j=45. We substitute,
We solve for s by subtracting 90 to the other side and dividing the result by 3.
.
The sweaters cost $10 or less each.
Answer:
it's the 4th one
Step-by-step explanation:
Because ab is not negative but c has the negative sign in front of it
A.
–12.7
B.
–4.5
C.
4.5
D.
12.7
X = 3, negative times negative equals positive.
hope this helps
Step-by-step explanation:
Let be the probability of winning.
Let be the probability of loosing.
Given that we win once in thousand times.
So,
Since
Since we win noting if we loose,
expected payoff is product of probability of winning and the prize.
Let be the prize.
Given,
Expected payoff is
So,$ is the expected payoff each time.
Answer:
$0.4
Step-by-step explanation: