I am so confused on this part

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

6 0

Answer:

Store B offers the best deal

Step-by-step explanation:

Store B charges 86 cents per can which is the least out of all of them. Store a charges 89 cents per can, Store C charges 88 cents, and Store D charges 90 cents.

All I did was divide the cost ny the amount of cans to see how much each can costs.

Hope this helped !!!

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Students pass a test it they score 50% or more. the marks of a large number of students were sampled and the mean and standard d

Schach [20]

So we are given that the mean is 42% and the sd (standard deviation) is 8%
Assuming our data is normal we can use the 68-95-99 rule

So one thing you should realize is that 42% + 8% is 50% which is passing. That is one standard deviation higher. So we use:

100 - 68 - 13.5 - 2.35 - 0.15 = 16. That means 16% of students passed the test. Which is terrible. They probably need to hit the books more.

Anyways if you have any question feel free to message me!
Hopes this helps!

3 0

3 years ago

Find the volume......

shepuryov [24]

Answer:

4312cm³

Step-by-step explanation:

volume of a prism = length×width×height

=22×14×14

=4312cm³

7 0

2 years ago