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yarga [219]
3 years ago
12

Use the slope formula to find the slope between the given two points.

Mathematics
2 answers:
Dvinal [7]3 years ago
4 0

Answer:

7. 1

8. -2

9. Undefined    (meaning the line goes straight up and down)

10. 4/3

11. -2/7

12. 0                      (meaning it is completely flat)

13. -1/3

14. 5/9

15. -3/2 or -1.5

Step-by-step explanation:

vodomira [7]3 years ago
3 0

Answer:

7. 1

8. -2

9. undefined (meaning the line goes straight up and down)

10. 4/3

11. -2/7

12. 0 (meaning it is completely flat)

13. -1/3

14. 5/9

15. -3/2 or -1.5

Step-by-step explanation:

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nikklg [1K]

Answer:

B

Step-by-step explanation:

8 0
4 years ago
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Which estimate is the most reasonable for this problem?
DIA [1.3K]
If you would like to know how much farther does Louisa's family need to drive, you can calculate this using the following steps:

791 miles - 114 miles = 677 miles ... 700 miles

The correct result would be D. 700 mi.
5 0
3 years ago
Make x the subject of the following: b = x - 5
ipn [44]
When it says "the subject", it only means you need to isolate the x, or solve for x. To do that, we have to get the x by itself. But how can we do that? We'll have to get rid of that pesky -5. Well, what can we do to -5 to get to 0? Of course -- Add 5!
b=x-5
      +5

But whatever we do to one side of the equation, we have to do to the other. 
b=x-5
+5  +5

We're left with b+5=x. There's your answer!
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7 0
4 years ago
The surface area of two similar solids are 340yd^2 and 1,158yd^2. The volume of the larger solid is 1,712yd^2. What is the volum
solong [7]
The ratio of the areas is 340/1158 = 170/579thus the ratio of the side lengths is sqrt(170)/sqrt(579)  = .5418the ratio of volumes is the side length ratio cubed = .5418^3 = .159Volume of smaller solid  = (.159)(1712) = 272.37
7 0
3 years ago
The directrix of a parabola is y=−4y=−4 . The focus of the parabola is (−2,−2)(−2,−2) .
Dennis_Churaev [7]
Because the focus is (-2,-2) and the directrix is y = -4, the vertex is (-2,-3).

Consider an arbitrary point (x,y) on the parabola.
The square of the distance between the focus and P is
(y+2)² + (x+2)²
The square of the distance from the point to the directrix is
(y+4)²

Therefore
(y+4)² = (y+2)² + (x+2)²
y² + 8y + 16 = y² + 4y + 4 + (x+2)²
4y = (x+2)² - 12
y = (1/4)(x+2)² - 3

Answer: y= \frac{1}{4} (x+2)^{2} - 3

5 0
3 years ago
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