Answer:
Step-by-step explanation:
So in this systems of equations, we know the prices of the items, so the coefficients will represent how many Mary is getting of that item. So you can represent amount of bread as the variable b and the amount of milk as the variable m. On the right will be the total amount spent, since multiplying the price by how much you buy should get you the price
So since at store A, she spends 44.20 and bread costs 2.20 and milk costs 3.60 you get
Since at store B, she spends 44.70 and bread costs 2.50 and milk costs 3.40 you get the equation:
Answer:
A
Step-by-step explanation:
Round and estimate the sum.
3.41 + 8.051
3 + 8 = 11
3.65 + 7.992
4 + 8 = 12
4.25 + 8.103
4 + 8 = 12
4.89 + 7.431
5 + 7 = 12
The first option is correct.
I think for number 18 you need 16 ounces of ground beef. I'm not too sure if its right but I hope this is the answer you are looking for! :)
Answer:
Probability of no correct answers is 0.640
Step-by-step explanation:
Given:
Number = 2
Probability of success (p) = 0.20
Find:
Probability of no correct answers
Computation:
Binomial probability distribution
P[x=0] = ²C₀(0.2)⁰(1-0.2)²⁻⁰
P[x=0] = 0.640
Probability of no correct answers is 0.640