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Setler [38]
3 years ago
6

Which is the correct input-output table for the function f(x) = 3/x + 4

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0
Do u mean the inverse ?
f-^1(x)=3/x-4
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At a charity fundraiser, adult tickets are sold for $12 each and children tickets are sold for $6 each. Write an algebraic expre
Annette [7]

Answer:

the answer is 2

Step-by-step explanation:

7 0
2 years ago
Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round y
kupik [55]

Answer:

75% confidence interval is 91.8±16.66. That is between 75.1 and 108.5 pounds.

Step-by-step explanation:

The question is missing. It is as follows:

Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains had the following weights (pounds): 69  104  125  129  60  64

Assume that the population of x values has an approximately normal distribution.

Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round your answers to one decimal place.)

75% Confidence Interval can be calculated using M±ME where

  • M is the sample mean weight of the wild mountain lions (\frac{69 +104 +125 +129+60 +64}{6} =91.8)
  • ME is the margin of error of the mean

And margin of error (ME) of the mean can be calculated using the formula

ME=\frac{t*s}{\sqrt{N} } where

  • t is the corresponding statistic in the 75% confidence level and 5 degrees of freedom (1.30)
  • s is the standard deviation of the sample(31.4)
  • N is the sample size (6)

Thus, ME=\frac{1.30*31.4}{\sqrt{6} } ≈16.66

Then 75% confidence interval is 91.8±16.66. That is between 75.1 and 108.5

3 0
3 years ago
Simplify<br> (3/2x+5) + (5/x-5)
tia_tia [17]

Answer:

(3x + 10) / (2x + 5)(x - 5).

Step-by-step explanation:

(3/2x+5) + (5/x-5)

= [3(x - 5) + 5(2x + 5) ] /  [ (2x + 5)(x - 5)]

= 3x - 15 + 10x + 25 /  (2x + 5)(x - 5)

= 13x + 10 / (2x + 5)(x - 5).

6 0
3 years ago
LOL ANOTHER MATH QUESTION ASAP!!!
Inessa05 [86]
Your answer is the first one q
6 0
2 years ago
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Keli and Mario are planning to plant rectangular gardens of the same length, side by side with fencing all around and dividing t
olchik [2.2K]

Answer:

Step-by-step explanation:

Given

Total area of two plot A=336 ft^2

Let l and b the length and width of plot

Perimeter for Fencing

P=3l+4b

100=3l+4b-----1

A=336=2lb

lb=168 ft^2---2

Put value of b in 1

4\times \frac{168}{l}+3l=100

672+3l^2=100 l

3l^2-100l+672=0

l=\frac{100\pm \sqrt{100^2-4\times 3\times 672}}{2\times 3}

l=\frac{144}{6},\frac{56}{6}    

so there can be two value of l i.e. 24\ ft, 9.33\ ft

for   l=24\ ft,\ b=7\ ft      

3 0
3 years ago
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