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nirvana33 [79]
2 years ago
9

X^2 + y^2 =-6x-14-6y

Mathematics
1 answer:
skad [1K]2 years ago
7 0

Answer:

x=−3+√(−y−1)(y+5)

Step-by-step explanation:

thats if your solving for x if not to math w    l   ay

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Which point on the number line represents 30%?
Blababa [14]

Answer:

it is t

Step-by-step explanation:

7 0
3 years ago
Find the missing side length, round to the nearest hundredth.
GREYUIT [131]

Answer:

Pythagoras theorem.

hypotenuse²=height²+base²

x²=15²+12²

x²=225+144

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4 0
2 years ago
An old house in Pomona, CA is inhabited by a variety of ghosts. Ghost appearances occur in the house according to a Poisson proc
shutvik [7]

Answer:

The probability is 0.503

Step-by-step explanation:

If the ghost appearances occur in the house according to a Poisson process with mean m, the time between appearances follows a exponential distribution with mean 1/m. so, the probability that the next ghost appearance happens before x hours is equal to:

P(X\leq x)=1-e^{-xm}

Then, replacing m by 1.4 ghosts per hour we get:

P(X\leq x)=1-e^{-1.4x}

Additionally, The exponential distribution have a memoryless property, so if it is now 1:00 p.m. and we want the probability that ghost appear before 1:30 p.m., we need to find the difference in hours from 1:00 p.m and 1:30 p.m. no matter that the last ghost appearance was at 12:35 p.m.

Therefore, there are 0.5 hours between 1:00 p.m. and 1:30 p.m, so the probability that the 7th ghost will appear before 1:30 p.m is calculated as:

P(x\leq 0.5)=1-e^{-1.4*0.5} =0.503

8 0
3 years ago
Which number is rational?<br><br> A.π B.0.36458121… C.0.777... D. √5
RideAnS [48]
The answer is C: 0.777...

Rational numbers are numbers that repeat or end.
4 0
3 years ago
Read 2 more answers
Four groups of students are doing a probability experiment with a standard number cube to see how many times they roll a 4 out o
snow_lady [41]

Answer:

Group a, I did it

Step-by-step explanation:

The solution is Group A. As the number of trials get larger, experimental probability approaches theoretical probability. With a probability of 0.175 group A rolled a 4 14 out of 80 times.

PLEASE MARK BRAINLIEST

5 0
3 years ago
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