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creativ13 [48]
3 years ago
14

I REALLY NEED HELP!!!

Mathematics
1 answer:
Darya [45]3 years ago
5 0

Answer:

  see below

Step-by-step explanation:

Each reflection is along a line through the other focus of the conic. The two foci of the parabola are the one shown and the one at infinity (the source of light rays).

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Hey! please help i’ll give brainliest
Dvinal [7]

Answer:

B. is the answer

hope this helps

have a good day :)

Step-by-step explanation:

4 0
2 years ago
A 60 by 80-foot rectangular walk in a park surrounds a flower bed. If the walk is of uniform width and its area is equal to the
alekssr [168]

Answer: 17.14 ft

<u>Step-by-step explanation:</u>

The area of the flower bed is 60 ft x 80 ft = 4800 ft²

The perimeter of the sidewalk that surrounds the flower bed is:

  •   2(60 ft) + 2(80 ft)
  • = 120 ft + 160 ft
  • = 280 ft

The area of the sidewalk is:

  • perimeter x width
  • = 280w

area of sidewalk = area of flower bed

280w = 4800

\text{w}=\dfrac{4800}{280}

  =\dfrac{120}{7}

  ≈ 17.14


8 0
2 years ago
Examine the following piecewise function.
miss Akunina [59]

By analyzing when the piecewise function increases and when it decreases, we can conclude that the true statement is:

"The function is increasing over the interval −8≤x≤−2."

<h3>Which statements are true?</h3>

We know that our function is made of straight lines that connect:

  • Point (-8, 3) with (-2, 8)   {This is an increasing line}
  • Point (-2, 8) with (2, 8)   {This is a horizontal line}
  • Point (3, 0), and (7, -7)   {This is a decreasing line}

(to see if it increases or decreases, compare the y-value of the second and first point. If the second is larger, then the line increases).

Then the statement that is true is:

3) "The function is increasing over the interval −8≤x≤−2."

If you want to learn more about piecewise functions, you can read:

brainly.com/question/3628123

3 0
2 years ago
Find the area. The figure is not drawn to scale. 7.6. 3.7
lora16 [44]

Answer:

28.12

Step-by-step explanation:

6 0
3 years ago
A measurement that closely agrees with accepted values
bixtya [17]

A measurement that closely agrees with an accepted value is best described as a numerical

3 0
2 years ago
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