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Andre45 [30]
2 years ago
15

Societies are faced with which three basic questions about production of goods?

Mathematics
1 answer:
Elena L [17]2 years ago
8 0
B it just makes the most sense
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write a linear equation that intersects y=x^2 at two points. Then write a second linear equation that intersects y=x^2 at just o
Liula [17]

We know that y = x^2 is a parabola, concave up, with vertex in the origin (0,0)

So, we may use three horizontal lines for our purpose: any horizontal line above the x axis will intersect the parabola twice. The x axis itself intersects the parabola once on the vertex, while any horizontal line below the x axis won't intercept the parabola.

Here's the examples:

  • The horizontal line y = 4 intercepts the parabola twice: the system y = x^2,\ y = 4 is solved by x^2=4 \implies x = \pm 2
  • The horizontal line y=0 intercepts the parabola only once: the system is y=x^2,\ y=0 which yields x^2=0\implies x=0 which is a repeated solution
  • The horizontal line y=-5 intercepts the parabola only once: the system is y=x^2,\ y=-5 which yields x^2=-5 which is impossible, because a squared number can't be negative.
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3 years ago
Sawyer fills 1/6 of his gas tank in 3/4 of a minute. How many minutes will it take Sawyer to fill his gas tank?
Radda [10]

Answer:

.75 * 6 = 4.5 minutes

Step-by-step explanation:

.75 is 3/4 multiply by 6 because 6/6 is a whole tank of gas.

Sawyers tank takes 4.5 minutes to be filled up.

5 0
2 years ago
Read 2 more answers
-6-7(c+10)<br><br> A. 64-7c<br> B. -76-7C<br> C. 4-13C<br> D. -16-13c<br><br> Help?
Maurinko [17]

Answer:

B. -76-7C

Step-by-step explanation:

-6-7(c+10)

Distribute the 7

-6-7c-70

Combine like terms

-7c-76

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2 years ago
I NEED HELPPP PLEASE!!!​
Fynjy0 [20]

Answer:

help senior citizens + are getting

Step-by-step explanation:

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2 years ago
Click on file! please help, thank you!! &lt;3​
Elden [556K]
15+3x-4+6x= 9x+11 add 6+3 then subtract 15-4

3y-4x+8x-y= 4x+2y add -4+8 then subtract 3-1

5x+8x+10x-3x= 20x Add 10+5+8 to get 23 then subtract 3
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2 years ago
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