3 years ago

Which quadratic function is represented by the graph?

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

Answer:

y=5(x-7)(x-5)

Step-by-step explanation:

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Suppose you have 60 red marbles and 40 blue marbles in a

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Answer: The required probability is 0.26.

Step-by-step explanation: Given that there are 60 red marbles and 40 blue marbles in a box 10 marbles are picked without replacement.

We are to find the probability of selecting 6 red marbles.

Since the marbles are picked up without replacement, so it is a situation of combination.

Let S denote the sample space of the experiment of drawing 10 marbles and E denote the event that 6 marbles are red.

So,

$n(S)=^{100}C_{10}=\dfrac{100!}{10!(100-10)!}=\dfrac{100!}{10!90!}=17310309456440,\\\\\\n(E)=^{60}C_6\times^{40}C_4=\dfrac{60!}{6!54!}\times\dfrac{40!}{4!36!}=50063860\times91390.$

Therefore, the probability of event E is given by

$P(E)=\dfrac{n(E)}{n(S)}=\dfrac{50063860\times91390}{17310309456440}=0.26.$

Thus, the required probability is 0.26.

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3 years ago

Suppose f(x) = x square -8x +20 find x such that f(x) =24

ch4aika [34]

X=4+-2sqaurw root of 5

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3 years ago

dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, jake. while playing, Jake los

Deffense [45]

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9 marbles x 5 (four of her friends plus jake)

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The equation of the axis of symmetry is x = 3. True or false

Vsevolod [243]

Answer:

true

Step-by-step explanation:

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Find the slope of the line passing through the points (-7 ,-7) and (-3,6)

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Answer:

14/4 or 7/2

Step-by-step explanation:

6 - (-7)

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-3 - (-7)

When you subtract a - its really just adding

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