3 years ago

You want to buy an item that costs $100. Which is the most cost-effective choice for buying the item?

Mathematics

1 answer:

Lilit [14]3 years ago

5 0

C. Buying it a percent discount without sales tax.

Because of not having to pay $10, so it is awesome.

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HELP!!!!!!!!!!!!!!!!!!!!

solong [7]

Answer:

y = -1/2x+4

Step-by-step explanation:

y = 2x-1

This equation is in slope intercept form y = mx+b where m is the slope

m=2

A line perpendicular will have a slope that is the negative reciprocal

m = -1/2

Using the slope intercept form

y = mx+b

y = -1/2x+b

and the point given (2,3)

3 = -1/2(2)+b

3 = -1+b

4 =b

y = -1/2x+4 is the equation of a line that is perpendicular to the original line and contains (2,3)

6 0

2 years ago

Which of the following is the graph of y = negative StartRoot x EndRoot + 1? On a coordinate plane, an absolute value curve curv

mestny [16]

Answer:

B. On a coordinate plane, an absolute value curve curves up and to the right in quadrant 4 and starts at y = 1.

Step-by-step explanation:

Graph of the function:

y = -√x + 1

The domain is x ≥ 0, the range y ≤ 1

Correct answer choice is B

On a coordinate plane, an absolute value curve curves up and to the right in quadrant 4 and starts at y = 1.

The graph is attached

7 0

3 years ago

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HELP ASAP!!!! EXTRA POINTS!!

-BARSIC- [3]

20%. total= 5 => total= 25

8 0

3 years ago

hi I'm Danica and it's sixth grade I would really like if you look over this problem and tell me the answer(sending it rn)!!!!!!

vaieri [72.5K]

Translation
explanation: it is shifting

6 0

3 years ago

It takes about 20 minutes to grade a student’s paper. How long, in hours, does it take to grade papers for a class of 30 people?

insens350 [35]

Answer:

The answer is 600 minutes (10 hours)

Step-by-step explanation:

20 minutes = 1 student.

30 students x 20 = 600 minutes

600mins / 60 (because an hour has 60 mins) = 10 hours.

5 0

3 years ago

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