A projectile is thrown upward so that its distance above the ground after t seconds is h(t) = -16t2 + 418t. After how many seconds does it reach its maximum height? Round to the nearest second. ** HINT: GRAPH THE FUNCTION WITH YOUR CALCULATOR. Set X min = 0 and Y min =0 and then adjust the Xmax and the Ymax until you can see the top of the parabola. The "x" coordinate at the vertex will give you the answer to this problem. 13 sec O 28.5 sec O 9 sec O 38 sec

Q: 4. 10p-p-2

A: The given expression is : 10p2-p-2 To factorize the given expression.

Q: could please write this in on a piece of paper, so that it is easier to understand?

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Q: This is a little bit difficult to read can you rewrite this please to better understand?

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Q: i would like to know how to calculate this without a calculator or big numbers

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Q: Can you explain how you found part b? It does not make sense to me

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Q: I asked this earlier but I have to ask it again.  When simplifying this, how do you simplify it?…

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Q: Anyway you could type it out? I am having trouble reading some of the things you wrote

A: From given data we have : n=300 P=0.20 x=57 Sample proportion  p^=xn=57300=0.19

Q: figured out part a. How do I do part b and how do I put it in my calculator?

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Q: d. What is the value for the margin of error for a 95% confidence interval? Give the 95% confidence…

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A: Please find the explanation below. Thank you

Q: Are you able to give a step by step without using a calculator?

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Q: Noah says, "I worked the problem from left to right and ended up with `20-45x`."

A: NO, I don't agree with Noah. His approach is incorrect.

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A: From the given graph, we have to find the values of u'1 and v'1

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Q: Can you only make it first principles only?

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Q: can you help to get answer and show what formulas to put in calculator

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Q: How do you solve this problem using a TI-84 Plus calculator?

A: It is given that the hypothesized population proportion (p) is 1/2 =0.50.

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Q: I did exactly as this question did and I end up getting 4946.16 in my calculator. I did 3000e0.05*10…

A: Note : The formula used is wrong . See the below picture for detailed solution.

Q: I am confused on the chart on step 2 as to what formula you used. I can't read the last row for…

A: Given, x y 0 160 5 163.75 10 175 15 193.75 20 220 25 253.75 30 295 35 343.75…

Q: Not sure how to find without calculator

A: To find the value without using calculator

Q: How do I put step 2 in my calculator?

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Q: tricky

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Q: This isnt the section that I asked to be answered. I needed everything after this part

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A: Aa it is given that  f(x)=9.44x+84.182*x where f(x) is height of the tree and x is  year.

Q: Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4}, B = {1, 2, 5, 6}, : {3, 5, 7}. List all the members…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: How could you plug the equation above into a calculator and get the same answer?

A: f(x) = log7 (6x4 +3)5We have to  find derivative of function f(x),we can use the chain rule, The…

Q: How do figure the answer using the TI-84 calculator?

A: To find expected values using a TI-84 calculator for a goodness-of-fit test, you can follow these…