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Mathematics

2 answers:

irina1246 [14]3 years ago

5 0

We have 0.75n for the total price of unknown money for the cost of notebooks, and 0.55n for the total price of unknown money for the cost of pencil, and the tax is 6.25 percent which is the answer is D. Hope it help!

spayn [35]3 years ago

3 0

We can represent the cost of the notebooks with by saying 0.75n, and the cost of the pens by saying 0.55p.

0.75n+0.55p will be the total cost before tax. Now, we need to add on tax. Tax will be 0.0625 times the total amount, so we can represent the cost by saying

(0.75n+0.55p) + 0.0625(0.75n+0.55p), so the answer is B.

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2 Points

dolphi86 [110]

Answer:

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = - 5 and (a, b) = (2, - 1), so

y - (- 1) = - 5(x - 2), that is

y + 1 = - 5(x - 2) → A

8 0