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2 years ago

Which of the following functions best describes this graph??

Mathematics

2 answers:

tino4ka555 [31]2 years ago

7 0

Answer:

The correct answer is b

artcher [175]2 years ago

5 0

Answer:

A) y = x² - 8x + 15

Step-by-step explanation:

We can see that the roots of this equation (the x-intercepts) are at x = 3 and x = 5. Plugging this into factored form gives us

y = (x-r₁)(x-r₂)

y = (x-3)(x-5)

Multiplying, we have

y = (x)(x)-5(x)-3(x)-3(-5)

y = x²-5x-3x--15

y = x²-8x+15

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In a group of 10 people, there are 4 people that have the flu virus. Suppose we pick 3 random persons to test in order to determ

Murljashka [212]

Answer:

Tests is 100% Accurate, so by using the formula of random variable probability.

Step-by-step explanation:

Total number of people = 10

Sample space = p(A) = 10

Number of people that have flu = n(s) = 4

Pick random 3 persons, the possibility that they have flue is n(A) = ?

Let X is the random variable, consisting of number of positive flu test,

Tests is 100% Accurate, so by using the formula of random variable probability, we get

P(X) = n (A) / n(S)

P(X) = ¾, is the probability of having positive flu test

5 0

3 years ago

What’s the value of X ? PLS HELP )):

motikmotik

Answer:

By angle sum property,

56 + 92 = 148

180 - 148 = 32

linear pair

so , 180 - 32

= 148

Hope it helps

Please mark me as the brainliest

Thank you

6 0

2 years ago

Y varies inversely with x, y = 4 and x = 3, what is y, when x = 2B) given: y = 2x - 1 (x-3)(x+1) what is the I. VAII. HA III. X-

Semmy [17]

SOLUTION

(a)

$\begin{gathered} y\alpha\frac{1}{x} \\ \\ y=\frac{k}{x} \\ \\ 4=\frac{k}{3} \\ \\ k=12 \end{gathered}$ $\begin{gathered} y=\frac{12}{x} \\ \\ when\text{ x=2} \\ \\ y=\frac{12}{2} \\ \\ y=6 \end{gathered}$

4 0

10 months ago

PLZZ HELP ME!!!<br><br> ANY LINKS WILL BE REPORTED <br><br> Find the volume of this object.

just olya [345]

Answer:

24 will be your answer.

Step-by-step explanation:

5 0

2 years ago

The first number in a pattern is 8. Each following number is found by subtracting 9 from the previous

ser-zykov [4K]

Answer:

8,-1,-9,-18,-27,-36

and so on i would think it would be -27

Step-by-step explanation:

3 0

3 years ago