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Veronika [31]
2 years ago
14

Use the graph of the polynomial equation y = x⁴-10x²+16 to describe its concavity. How many points of inflection does this curve

have?
Mathematics
1 answer:
stellarik [79]2 years ago
5 0

Answer: oOf that must be rough

Cuz I don’t know a thing since I’m literally on a quiz

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A prize wheel at a county fair is divided into 9 equal sections. Each section on the wheel is marked with a letter. Each letter
Alik [6]
Your answer would be 9/27 but can be converted to 1/3. Hope this helps
8 0
3 years ago
Identify the values that should be written to complete the X diagram.
cestrela7 [59]

Answer:

See the attachment for what goes on your X diagram.

Rewrite: x² -7x +4x -28

Grouping: (x² -7x) +(4x -28) = x(x -7) +4(x -7) = (x +4)(x -7)

Step-by-step explanation:

The given quadratic is ...

... x² -3x -28 . . . . . a=1, b=-3, c=-28

a) The value at the top of the X diagram is the product a·c = 1·(-28) = -28.

The value at the bottom of the X diagram is the coefficient b = -3.

The values on the sides of the diagram are the factors of -28 that add up to make -3. These are -7 and 4. That is, ...

(-7)·(4) = -28

(-7)+(4) = -3

b) Since the two values on the sides of the diagram add up to give "b", the value of "b" in the equation can be rewritten as the sum of these two numbers. Doing that, we have ...

... x² -3x -28

... = x² +(-7+4)x -28

... = x² -7x +4x -28 . . . . . . order does not matter. It could also be x² +4x -7x -28

c) We can group pairs of terms in the rewritten expression and factor each pair.

... = (x² -7x) +(4x -28) . . . . . first pair has a common factor of x; second pair, 4

... = x(x -7) +4(x -7) . . . . . . . these terms now have a common factor: (x -7)

... = (x +4)(x -7) . . . . . . . . . . the complete factorization of x² -3x -28

3 0
3 years ago
An american roulette wheel has 38 slots, of which 18 are red, 18 are black, and 2 are green (0 and 00). if you spin the wheel 38
Alexeev081 [22]
Intuitively, one would think the ball would land in the green spot 2 out of the 38 times, since there are 38 slots and 2 are green.

The probability that it lands in a green section is 2/38.  Multiplying this by the number of times the experiment is performed, we get (2/38)(38) = 2.
3 0
3 years ago
Pls help will give brainliest
Sholpan [36]
X=-8/15......................

3 0
3 years ago
Read 2 more answers
At the toy store, 3 toy cars cost $2.61. How much does it cost to buy 15 toy cars?
Masteriza [31]
Use a ratio \frac{3}{2.61}= \frac{15}{x} . 13.05 dollars.
7 0
3 years ago
Read 2 more answers
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