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ryzh [129]
3 years ago
9

An art gallery has 8 new paintings, all the same size, but enough room on the wall for only 6 of them. How many ways can the dir

ector arrange the 8 paintings on the wall? A. 48 B. 28 C. 20,160 D. 40,320
Mathematics
1 answer:
algol133 years ago
5 0
There are 8 choices for the first painting on the wall, 7 choices for the second, and so on, down to three choices for the sixth.  Our result is thus 8*7*6*5*4*3=20,160.  C is the correct answer.
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Serggg [28]

y = (x - 2)(x + 5)    First I would multiply (x - 2) and (x + 5) together

y = x² + 5x - 2x - 10

y = x² + 3x - 10


Next I would plug in a number for x to find its y value. I will plug in 0

y = 0² + 3(0) - 10

y = -10

(0, -10)   [this is the y-intercept (the y value when x = 0)]


Your answer is Graph A because the y-intercept is (0,-10)

6 0
3 years ago
What is the vertex of the parabola? Assume p > 0.​
Len [333]

Answer:

The vertex for parabola y²=4ax is (0,0)

and for (y-k) ²= 4a(x+h), vertex is (h, k).

But you have not given the equation of parabola in the equation.

3 0
3 years ago
Look at this set of ordered pairs:
forsale [732]

Answer: Yes

If I remember correctly, I believe these ordered pairs indicate a function, as there is exactly 1 output for every input (i.e., (output, input)). If there were 2 inputs of the same number, that'd make this relation not a function.

7 0
2 years ago
What is the axis of symmetry for the parabola with the equation y=2x^2
Anestetic [448]
The axis of symmetry would be x=0
8 0
3 years ago
How to write a book report plz help???​
nlexa [21]

Answer:

below

Step-by-step explanation:

In short, a book report is an essay that contains what you read and learned from reading a book. For example, you would write a book report in the following sequence:

  1. What ocurred in the beginning, middle, and end.
  2. What you learned from reading it.
  3. What you enjoyed about it.

Best of Luck!

3 0
3 years ago
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