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  • A population has a mean mean=77 and a standard deviation =20. :D?

    Your answer: 
    A population has a mean=77 and a standard deviation =20. Find the mean and standard deviation of a sampling distribution of sample means with sample size N =247.
    9 mins ago
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  • 2272.59 is what percent of 5,353.04?

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    14 mins ago
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  • 3080.45 is what percent of 5,353.04?

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    15 mins ago
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  • Math Help Please!?

    Your answer: 
    I am utterly lost and confused on these. 1. Find the inverse function of f(x) = x^11 + 3 (please show work) 2. Find the function of f informally. f(x) = x^5 (please show work) 3. Find the inverse function of g(x) = x^7 - 4 (please show work) 4. Find the inverse function of f(x) = √9-x^2, 0 ≤ x ≤ 3 (please show work) 5. Determine whether the... show more
    25 mins ago
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  • Fill in the Missing Reasons And Statements in the Following Proofs?

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    A: B: C: D: E: F: G:
    31 mins ago
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  • Math graph, Please help :<?

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    Math graph, Please help :<
    40 mins ago
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  • 4 to the power of 2 divided by 4 to the power of 10>?

    Your answer: 
    What I learned at school tells me that i do 10 minus 8, so the answer is 4 to the power of 8, but when I put it into a calculator, its completely different. Whats the right answer? Did I do it wrong?
    44 mins ago
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  • I need calculus help?

    Your answer: 
    The radius of a right circular cylinder is increasing at a rate of 3 in/sec, while the height is decreasing at a rate of 5 in/sec. At what rate is the volume changing at the moment the radius is 10 in. and the height is 25 in?
    47 mins ago
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  • Help complete this chart?

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    51 mins ago
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  • Nash equilibrium questions:?

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    53 mins ago
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  • I need calculus help?

    Your answer: 
    A hot air balloon rises vertically to a height of 120 ft. A strong wind carries the balloon horizontally at a rate of 8 ft/sec. How fast is the distance between the balloon and it's launch point changing when the balloon is 130 ft. from its launch point?
    53 mins ago
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  • I need Calculus help on related rates?

    Your answer: 
    A paper cup in the shape of a cone has a hole in it and is leaking water. The cup has a top radius of 12 cm. and a height of 18cm. At the instant the water level is 10cm deep the water level is decresing at a rate of .75 cm/sec. Find the rate at which the water level is being drained.
    1 hour ago
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  • Identify the coefficients in the reaction.?

    Your answer: 
    How do you solve this problem: __ 🔵🔵 + __ 🔴🔴 —> __ 🔴🔵
    1 hour ago
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  • Differential equation with initial condition?

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    I am trying to solve the differential equation f'(x)=x*csc(5x^2+3)*cot(5x^2+3) with an initial condition f(1)=3, im having problems with this, and its taking forever to figure it out.
    1 hour ago
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  • The probability that the sample mean was between ​$2.698 and ​$2.718 is ????PLEASE HELP MEEEE?

    Your answer: 
    ind the probability and interpret the results. If convenient, use technology to find the probability. During a certain week the mean price of gasoline was $2.715 per gallon. A random sample of 37 gas stations is drawn from this population. What is the probability that the mean price for the sample was between $2.698 and $2.718 that... show more
    1 hour ago
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  • Help!! math!!?

    Your answer: 
    Typically it takes Anna 50 minutes to bike the same distance Sarah can bike in 40 minutes. One after having a tiff at Lake Tahoe, they decide they need some alone time. Sarah heads due east and Anna heads due west. once each of them has gone exactly 10 miles they will turn around and go back to the spot. Rather than wait for Anna to return to the... show more
    2 hours ago
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