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poizon [28]
3 years ago
8

Consider the following function. Corey said, “This function is not linear because the graph is only points and not a complete li

ne.” Which is the best way to explain Corey’s error to him? A. The function is linear because all of the points lie on a line. B. The function is not linear because it does not pass through (0, 0). C. The function is linear because the points rise from left to right. D. The function is not linear because some points have negative x-coordinates.

Mathematics
1 answer:
laiz [17]3 years ago
4 0

Answer:

A. The function is linear because all of the points lie on a line.

Step-by-step explanation:

That's how math works my friend :) (And it's the reason he was wrong lol)

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Cooling towers are used to remove or expel heat from a process. A cooling tower's walls are modeled by x squared over 400 minus
Firdavs [7]

The width of the cooling tower at the base of the structure is 40 meters.

<h3>Width of the cooling tower </h3>

Given equation

x²/400 -(y-90)²/1600=1

Solving for the width

Cooling tower width =2√400

Cooling tower width=2×20

Cooling tower width=40 meters

Therefore the correct option is D. 40 meters.

Learn more about width here:brainly.com/question/25855344

brainly.com/question/15356328

#SPJ1

8 0
2 years ago
The graph of a parabola is represented by the equation
mestny [16]

Answer:

It will become narrower/steeper

Step-by-step explanation:

To find out how the new parabola will behave, just substitute in numerous values for a and x.

Then compare this to the original graph and you will clearly be able to distinguish the differences between the two graphs.

7 0
3 years ago
Convert into slope intercept form y - 4 = -2(x - 1)
Degger [83]

Answer:

Y=-2x+6

Step-by-step explanation:

5 0
3 years ago
Theresa has $12 in nickels amd quarters if she has the same number of each kind of coin how many nickels and quarters does she h
Bogdan [553]

n=# of nickels

q=# of quarters

$12 is 1200 cents

5n+25q=1200

n=q

substitute q for n or n for q

5q+25q=1200

30q=1200

q=1200/30

q=40 quarters and therefore n=40 nickels

40 quarters is $10 and 40 nickels is $2, therefore you have $12

Hope this helps.

4 0
3 years ago
The area of the shaded region to the nearest tenth is __________.
goldfiish [28.3K]

Answer: 380 ft^2

Step-by-step explanation:

Length of sides of square=25

Diameter of semicircle=25

Radius=r=25/2=12.5

π=3.14

Area of square=length x length

Area of square=25 x 25=625

Area of semicircle=0.5 x π x r x r

Area of semicircle=0.5 x 3.14 x 12.5 x 12.5

Area of semicircle=245.3125

Area of shaded portion=area of square - area of semicircle

Area of shaded portion=625-245.3125

Area of shaded portion=379.6875

Area of shaded portion=380ft^2

approximately

4 0
3 years ago
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