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MakcuM [25]
3 years ago
5

{2} " align="absmiddle" class="latex-formula">=n–7
how many solutions/ One, many, or none?
Mathematics
1 answer:
Ratling [72]3 years ago
3 0
(2n - 14)/2 = n - 7....multiply both sides by 2
2n - 14 = 2(n-7)
2n - 14 = 2n - 14
2n - 2n = 14 - 14
0 = 0

this equation will have infinite solutions
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The mean number of visitors at a national park in one weekend is 52. Assume the variable follows a poisson distribution. Find th
dem82 [27]

Answer:

0.0374722

Step-by-step explanation:

Given that :

μ = 52

x = 58

P(x, μ) = (e^-μ) * (μ^x)/ x!

P(58, 52) = ((e^-52) * (52^58)) / 58!

P(58, 52) = [(2.6102E−23 * 3.37437E99) / 2.35056E78]

P(58, 52) = 8.80807E76 / 2.35056E78

P(58, 52) = 0.0374722

5 0
3 years ago
When solving a system of two linear equations
soldier1979 [14.2K]

Answer:

When both equations have the same slope, but not the same y-intercept, they'll be parallel to each other and no intersections means no solutions. When both equations have different slopes than regardless of the y-intercept they'll intersect for certain, therefore it has exactly one solution.

Step-by-step explanation:

Got this from google hope it helps

7 0
3 years ago
6. Think of an experiment for which an event occurs with each probability. Explain your choice. a) 100% b) 1/2 c) 1:6 d) 0
mel-nik [20]

Answer:

Read below.

Step-by-step explanation:

a) 100%

Picking a green marble out of a bag of all green marbles.

In this, you would pick a green marble no matter what since the bag only contains green marbles.

b) 1/2

Flipping a fair coin and landing heads.

On a fair coin, there are 2 possibilities, head or tails. Since this is fair, there is a 50% chance you would get heads or tails.

c) 1:6

Rolling a 2 on a fair 1-6 sided die.

On this fair die, there are 6 possibilities, 1, 2, 3, 4, 5, or 6. Since this is a fair die, there is 1:6 chance you would roll a 2.

d) 0

Picking a red marble out of a bag of all green marbles.

This probability would be 0 since there are no red marbles in our bag of only green marbles.

4 0
3 years ago
Read 2 more answers
NEED HELP FAST!!! 3(14+34) Show your work
zlopas [31]
First add what is in the parenthesis. Which would be 14+34=48
Then multiply that by 3. 3 x 48=144
8 0
3 years ago
Read 2 more answers
Which expression represents the phrase "the cost of p pounds of rice at $1.97 per pound"?
STALIN [3.7K]

That would be p times 1.97 or 1.97p (letter D) this is because each pound is worth 1.97 dollars more so if you bought 1 pound of rice you'd pay only $1.97 but if you bought 5 pounds of rice you'd pay $9.85 since 1.97 times 5 is 9.85

Hope this helped!

Let me know if this helped!

5 0
3 years ago
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