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nikdorinn [45]
3 years ago
14

Which equation does NOT represent y as a quadratic function of x?

Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

B. y-x=2y+16

Step-by-step explanation:

yw

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Yo i need help wit 17 and 18 i’ll give u a brainliest you please
cricket20 [7]

Answer:

17. See below

18. 750

Step-by-step explanation:

17. Since the lollipops are being sold at the same price, 50 cents, for each one sold, they make a constant amount of money. For each increase in lollipops sold, there is a constant increase in money made, and thus the situation is a linear function.

18. To solve this equation, let's say y is the money made at the convention in dollars and x is the number of lollipops sold. If the principal gave them 125 dollars before they sold any lollipops (0 lollipops sold), then 125 is the y-intercept of the function, and in the equation y=mx+b, b=125. If each lollipop costs 50 cents (half of a dollar), then for each lollipop, x, sold, .5 dollars are made and are added to the profit, y. Thus, .5 dollars is the slope. The equation then becomes:

y=0.5x+125

Now, if they need 500 dollars, y is thus equal to 500 dollars. Solving the equation:

500=0.5x+125

500-125=0.5x

375=0.5x

\frac{375}{0.5} =x

375*2=x

750=x

Thus, 750 lollipops must be sold.

3 0
3 years ago
CAN SOMEONE PLZ HELP ME ASAP ILL GIVE BRAINIEST
maxonik [38]

Answer:

3

Step-by-step explanation:

25 divided by 3pie equals (rounding to a whole number) 3

3 0
3 years ago
Lita jogged for 7*3/10 kilometers on Friday. She jogged 1*3/4 kilometres more on Saturday. How many kilometres did she jog on bo
Elza [17]
7*3/10 = 2.1

1*3/4 = 0.75

2.1 + 0.75 = 2.85

hope this helps :)

8 0
3 years ago
City a populatuon is 15,000 city b population is 12,000 city a is what percent larger than city b
kompoz [17]
20%   It says I need 20 characters in order to answer this question, which is silly since the answer is only 3 characters. 
3 0
3 years ago
A rain gutter is made from sheets of aluminum that are 22 inches wide by turning up the edges to form right angles. Determine th
Varvara68 [4.7K]
So hmm notice the picture below

thus, the perimeter of the gutter is just w + w + l, or 2w +l

thus \bf 22=2w+l\implies 22-2w=l
\\\\\\
\textit{area of a rectangle}\\\\
A=lw\qquad 22-2w=l\implies A(w)=(22-2w)w
\\\\\\
A(w)=22w-2w^2

take the derivative of A(w), zero it out, check any critical points in the interval of (0, 22), for a maxima

recall, the aluminum sheet is just 22inches long, thus, whatever the "depth" or "w" is, has to be more than 0, and less than 22

4 0
3 years ago
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