3 years ago

Write a quadratic equation in the form x² + bx+c=0 that has the following

Mathematics

1 answer:

vfiekz [6]3 years ago

7 0

Answer:

x^2-6x+5

Step-by-step explanation:

To have roots at x=5 and x=1 you need to write is as follows

(x-5)(x-1)

you then need to multiply these two and get

x^2-6x+5

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What is 8x times 9x divided by 2xy???

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Answer:

Step-by-step explanation:

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3 years ago

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Evaluate the expression. If necessary, round to the nearest hundredth. lne

Kobotan [32]

Lne equals 1 because they cancel each other out. e is the base of ln.
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The mean number of daily surgeries at a local hospital is 6.2. Assume that surgeries are random, independent events. (a) The cou

Scilla [17]

Answer:

a) correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

b) probability for only 2 or less than 2 surgeries in a given day is 0.0536

Step-by-step explanation:

Given data:

mean number is given as 6.2

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

we know that variance is given as $\sigma^2 = mean = 6.2$

hence, standard deviation is given as $\sqrt{6.2} = 2.48998$

thus standard deviation is 2.49

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

b) probability for only 2 or less than 2 surgeries in a given day is

$P(X \leq 2) = P(X =0) + P(X =1) + P(X =2)$

$= \frac{e^{-6.2} 6.2^0}{0!} +\frac{e^{-6.2} 6.2^1}{1!} +\frac{e^{-6.2} 6.2^2}{2!}$

= 0.002029 + 0.012582+ 0.039006

= 0.053617

= 0.0536

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3 years ago

A rectangular table top measures 8/9 of a meter long by 2/3 of a meter wide. what is its area

erma4kov [3.2K]

Area= l×w
= 8/9 × 2/3
=16/27
area = 16/27 m²
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3 years ago

The second statement is the of the first.

kipiarov [429]

B is the answer b.converse

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2 years ago