Simplify the following expression. 3y – 2x + z – 2x + 3(x + y)

Mathematics

1 answer:

In-s [12.5K]3 years ago

3 0

The answer is B

i came out with 6y - x + z

but it's the same as -x + 6y = Z

answer is B

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An auto store is having a sale on motor oil. The chart shows the price per quart as the number of quarts purchased increases.

mojhsa [17]

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

Please have a look at the attached photo.

My answer:

Question 1: Please see the answer at the photo, remember that when number of quartz is = 1 , Price per quartz = 2. This will be merge against each other.

This step will be repeated for the remaining figure.

Question 2:

As an be seen from the scatter plot, price per quart decrease when the number of quarts increase so the relation between the two variable show a negative association

Hope it will find you well.