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cestrela7 [59]
3 years ago
7

What equation can fix this?

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0

fix what wheres the photo of it idsi

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The marked price of a dozen of copies is Rs 600. If the shopkeeper allows 20% discount and then charges 10% VAT, how many copies
aalyn [17]

Answer:

sassy

Step-by-step explanation:

3 0
3 years ago
An owner of a key rings manufacturing company found that the profit earned (in thousands of dollars) per day by selling n number
vovikov84 [41]

Answer:

The number of key rings sold on a particular day when the total profit is $5,000 is 4,000 rings.

Step-by-step explanation:

The question is incomplete.

<em>An owner of a key rings manufacturing company found that the profit earned (in thousands of dollars) per day by selling n number of key rings is given by </em>

<em />P=n^2-2n-3<em />

<em>where n is the number of key rings in thousands.</em>

<em>Find the number of key rings sold on a particular day when the total profit is $5,000.</em>

<em />

We have the profit defined by a quadratic function.

We have to calculate n, for which the profit is $5,000.

P=n^2-2n-3=5\\\\n^2-2n-8=0

We have to calculate the roots of the polynomial we use the quadratic equation:

n=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\n= \frac{-2\pm\sqrt{4-4*1*(-8)}}{2}= \frac{-2\pm\sqrt{4-32}}{2} = \frac{-2\pm\sqrt{36}}{2} =\frac{-2\pm6}{2} \\\\n_1=(-2-6)/2=-8/2=-4\\\\n_2=(-2+6)/2=4/2=2

n1 is not valid, as the amount of rings sold can not be negative.

Then, the solution is n=4 or 4,000 rings sold.

7 0
3 years ago
The function y = (x - 4)2 + 3 is a transformation of the function y = x?. How is the function's vertex affected by the
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Answer:

The vertex of the graph of y = x is shifted to the right 3 units and up 4 units.

The vertex of the graph of y = x?is shifted to the right 4 units and up 3 units.

3 0
3 years ago
The production of health drink cans at a warehouse can be represented by the equation below, where x represents the hours of pro
jenyasd209 [6]

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The correct answer is the second one because -10/3 and that graph adds up

3 2
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12. The surface area of a square pyramid is 189 square Inches. The base length is 7 inches. What is the slant
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Answer:

Step-by-step explanation:

3

3 0
3 years ago
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