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nekit [7.7K]
3 years ago
11

Parts of a Parabola????

Mathematics
1 answer:
eduard3 years ago
7 0

Answer:

the directrix and focus the axis of symmetry (goes through the focus, at right angles to the directrix) the vertex (where the parabola makes its sharpest turn) is halfway between the focus and directrix.

Step-by-step explanation:

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The solutions to x2-5x-14=0 are what
Anvisha [2.4K]

Answer:

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Step-by-step explanation:

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Example 5
Svetllana [295]

Answer:

1/2*6(12+x)=12*x

1/2*(72+6)=12x

36+3x=12x

36=9x

4=x

Step-by-step explanation:

Check that x=4

1/2*6(4+12)=12*4

1/2*(24+72)=48

1/2(96)=48

48=48

So x=4 is the correct answer

3 0
2 years ago
Sarah is playing a board game. The probability that Sarah will score a point on her next turn is 1/3. Which statement describes
algol [13]

Complete question:

Sarah is playing a board game. The probability that Sarah will score a point on her next turn is 1/3. Which statement describes the probability that Sarah will score a point on her next turn?

A. likely

B. certain

C.unlikely

D.impossible​

Answer:

C. unlikely

Step-by-step explanation:

If the probability that Sarah will score a point on her next turn is 1 which is 100%, then it will be <em>certain</em> that she will score a point on her next turn.

Again, If the probability that Sarah will score a point on her next turn is ¹/₂ which is 50%, then it will be <em>likely</em> that she will score a point on her next turn.

Also, If the probability that Sarah will score a point on her next turn is ¹/₃ which is 33%, then it will be <em>unlikely</em> that she will score a point on her next turn.

Furthermore, If the probability that Sarah will score a point on her next turn is 0 which is 0%, then it will be<em> impossible</em>​ that she will score a point on her next turn.

Thus, the correct statement for the given question is "<em>unlikely"</em>

5 0
3 years ago
Im not sure how to find the surface area. 35 points
Serga [27]

Answer: 3060 ft^2

Step-by-step explanation:

We will calculate the surface area of the rectangular prism and the triangular prism separately and then subtract off the face that isn't on the surface.

For the rectangular prism:

SA= Ph + 2B

P = 36+36+10+10

P = 92

B = 36*10 = 360

SA = 92*20+2*360

SA = 1840+720

SA = 2560

We subtract off the face on the right of the rectangular prism because it isn't on the surface so we get 2560-200 = 2360

Now for the triangular prism:

SA= Ph + 2B

P = 15+20+25

P = 60

B = 15*20/2

B = 150

SA = 60*10+2*150

SA = 600+300

SA = 900

Again we subtract off the face on the left bescause it's not on the surface so we get 900-200 = 700

Therefore, the total surface area = 2360+700 = 3060 ft^2

4 0
2 years ago
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