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nordsb [41]
3 years ago
7

I keep getting the answer wrong for the value please help.​

Mathematics
2 answers:
neonofarm [45]3 years ago
3 0

Answer: d) +/- 2/3

Step-by-step explanation: Since x^2 is a exponent, to cancel it out you would have to square root both sides. Therefore, x is equal to +/- 2/3.

Mila [183]3 years ago
3 0

Answer:

D

Step-by-step explanation:

The answer is D which is ± 2/3.

x² = 36/81

The √36 is 6 and √81 is 9. So √(36/81) will be 2/3. However, the answer is ±2/3 because we are taking the square root so there's a possibility that the answer can be positive and negative.

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Three times as many drinks on the tray
Rasek [7]

Answer:

Just multiply whatever number on the tray by three

Step-by-step Explanation:

For example if the number on the tray was 3 then you would multiply it by three

3 x 3 = 9

7 0
3 years ago
Briefly describe what the symbol mu represents. Choose the correct answer below.A.The symbol mu is a variable that represents th
antoniya [11.8K]

The question is incomplete! The complete question along with answer and explanation is provided below.

Question:

In applying the Poisson probability distribution​ formula, ​P(x) equals  μx•e−μx!

Briefly describe what the symbol mu represents. Choose the correct answer below.A.The symbol mu is a variable that represents the area of each region.B.The symbol mu is a variable that represents the number of occurrences of the event in an interval.C.The symbol mu is a variable that represents the number of occurrences of the event.D.The symbol mu represents a static value.E.The symbol mu is a variable that represents the mean number of occurrences of the event in the intervals.

Answer:

μ is a variable that represents the mean number of occurrences of the event in the intervals.

Step-by-step explanation:

The Poisson distribution is often used to model the number of occurrences of an event in a certain interval.

P(x, μ)

Where the symbol mu (μ) represents the mean number of occurrences of an event x in a specified interval and the variable x represents a static value.

Therefore, the correct answer is option E, μ is a variable that represents the mean number of occurrences of the event in the intervals.

4 0
3 years ago
in 15 seconds, connor counts 7 vehicles passing by his house. At this rate how many vehicles would pass by in 5 hours
lesya [120]
Multiply by 4 to get to one minute —>28.
Multiply by 60 to get to one hour—> 1,680
Multiply by 5 to get to 5 hours—> 8,400
8 0
3 years ago
A bag contains six red marbles three blue marbles and five green marble the three marbles are drawn out of the bag what is the p
tia_tia [17]

Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14  = 3/7  You now have 5 reds and 13 total

Second Marble = 5 * 13  which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3     cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

8 0
3 years ago
Find the average rate of change.<br><br> p(x) = 6x + 7 on [2, 2 + h] , h ≠ 0
siniylev [52]

Answer:

6.

Step-by-step explanation:

This is [p(2+h))  - p(2) ] /  ((2 + h - 2)

= [ 6(2) + h) + 7 - (6(2) + 7)] / h

=  (  12 + 6h + 7 - 12 - 7) / h

=  6h / h

= 6.

4 0
3 years ago
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