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Softa [21]
2 years ago
12

PLEASE HELP WITH THIS ONE QUESTION

Mathematics
1 answer:
Snezhnost [94]2 years ago
8 0

Answer:

The fourth option.

Step-by-step explanation:

In the given equation x^2 + 4x + 9 = 0, a=1, b=4, and c=9. The quadratic formula is in the attachment below so if you plug in a, b, and c you get the fourth option.

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In a game if you roll 1 on a 6 sided number cube you lose a turn. Answer for a b and c and explain each answer show your work.
Drupady [299]
(A) The probability that you roll a 1 would be 1/6 because there are six sides of a dice and only one is a 1.

(B) The probability that you either roll a 1 or don't roll a 1 is 1/6 and 5/6, since the probability that you do roll a 1 is 1/6 and the probability that you don't is 5/6 since the other 5 sides of the dice are not ones.

(C) As stated above, the probability of not rolling a 1 is 5/6 since there are 6 sides of the dice and 5 are NOT ones.

Hope that helped!
3 0
3 years ago
Determine whether the improper integral converges or diverges, and find the value of each that converges.
Rus_ich [418]

Answer:

Diverges

Step-by-step explanation:

We can solve this by using integral by parts:

Let

u=lnx            dv=(1/x)dx

du=(1/x)dx    v=lnx

\int\limits {lnx/x} \, dx = (lnx)^2-\int\limits {lnx/x} \, dx

We can add

\int\limits {lnx/x} \, dx to both sides

\int\limits{lnx/x} \, dx = (1/2)\cdot{(lnx)^2}

We can evaluate the limit between 2 and infinity.

If x tends to infinity the limit will be infinity and therefore the integral diverges to ∞

6 0
3 years ago
Which of the following numbers is written in scientific notation?
nata0808 [166]

Answer:

i think is b

Step-by-step explanation:

8 0
2 years ago
Any number or variable raised to the zeroth power is equal to what
Burka [1]

Answer:

1

Step-by-step explanation:

Any number raised to the 0th power is 1, except for 0; 0 to the 0th power is undefined.

7 0
3 years ago
Read 2 more answers
Elliot wrote a computer program that randomly generates a number from 2 to 10. If he runs the program twice, what is the probabi
Vikentia [17]

Answer:

StartFraction 16 over 81 EndFraction

Step-by-step explanation:

There are 4 prime numbers from 2 to 10 (2, 3, 5, 7) and 9 numbers from 2 - 10. Total possibilities: 9 * 9 = 81

Prime possibilities: 4 * 4 = 16

Therefore the answer is 16/81 or StartFraction 16 over 81 EndFraction

8 0
3 years ago
Read 2 more answers
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