10/12/22

Greater than question and between question for The Sampling Distribution for Proportions
Thank you to whoever helps explain this to me, I tried looking at a few videos and examples from other sites but I can only go as far as P(Z> -7.8921)= 1-(-7.8921)=8.8921 I put in my answer in... more
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10/11/22

how many different ways can 17 questions

how many different ways can 17 questions be written on a true or false quiz if the students answered every answer?
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10/11/22

A fair die is rolled 6 times. What is the probability of having no 4 and no 6 among the rolls? Round your answer to three decimal places.
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10/11/22

what is the answer?
A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/K. The... more
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10/11/22

Explain strong electrolytes by using what you know about the properties of atoms, ions, and molecules
Explain strong electrolytes by using what you know about the properties of atoms, ions, and molecules.
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10/11/22

A statement that “the 95% confidence interval for the population mean is (275, 325)" means that 95% of the population values are between 275 and 325. Is this true/false? & Why?
I think the statement is false but I am not sure so I can't come up with a reason/rationale. Thank you
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10/10/22

Can you help solve this?
Find 2 consecutive even integers such that their sum = the difference of 3 times the larger in 2 times the smaller
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10/10/22

How do I solve the equation for solutions on the interval of 0 < x < 2𝜋 for the equation 2sin(x) cos(x) - sin (x) = 0?
I am really confused on how to work out this equation.
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10/10/22

Determine if the sequence below is arithmetic or geometric and determine the common difference/ratio simplest form
45,15,5,…
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10/10/22

The graph of the polynomial f(x)=(x−3)(2x+5)(x−1)(x+4) has x-intercepts at 4 different values. List the values:
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10/10/22

If a seed is planted, it has a 75% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 1 doesn't grow?
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10/09/22

Conical Tank Related Rates

A conical tank has height 3 m and radius 2 m at the top. Water level is rising at a rate of 1.7 m/min when it is 2.2 m from the bottom of the tank. At what rate is water flowing in? (Round your... more
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10/09/22

Distance and Displacement

A car travels west for 45 kilometers. It then turns south for 60 kilometers. The entire trip took 2 hours. What is the magnitude and direction of the car's average velocity? What was the car's... more
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10/07/22

Derivative Questio
Rewrite the expression log(2⁡)x+4log(2⁡)y−3log(2⁡)zas a single logarithm log2⁡A. Then the functionA=The answer I keep getting is wrong
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10/07/22

Compute the probability of randomly drawing 5 cards from a deck and getting exactly 3 spades.
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10/07/22

Chemistry Problem
A sample weighing 3.148 g is a mixture of Fe2O3 (molar mass = 159.69 g/mol) and Al2O3 (molar mass = 101.96 g/mol). When heat and a stream of H2 gas is applied to the sample, the Fe2O3 reacts to... more
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10/07/22

y=x^((sin^(3)*(3x)*cosx)). Find the derivative using logarithmic differentiation.

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10/07/22

Upper and Lower Sum - Integrals
Hi, I've been trying to calculate the upper and lower sum, on a regular partition of the interval, for the below integral:int(6 - 2x)dx (where a = 1 and b = 7)The closest that I've gotten is from... more
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10/07/22

Physics Homework
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching this first snowball, you throw a second snowball at a low angle and time... more
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10/07/22

If f'(-3)=2 and f(-3)=5, write the equation of the normal line to y=f(x) at x=-3
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10/07/22

uncertainty about the force of static friction
Hello,I was wondering whether someone might be able to help me better understand static friction. Why doesn't static friction always equal μFn? When does it make sense to assume that f = μFn? When... more
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10/06/22

I already have the answer but I'm confused on how to put this in a calculator to get that solution.
How would I type this in a calculator? (Binomial Distribution)P( x=3)=(20) 0.053 (0.95)17=0.0596 3
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10/06/22

How long is a projectile in the air for?
Two physics students are playing catch with a baseball. One throws the ball to the other but overshoot and the ball lands on the library roof instead. The ball left the student's hand 2.08 m above... more
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10/06/22

How to find the percent error of SiO2 in an experiment?
The question states that 1.206g of SiO2 is the theoretical amount recovered/used, 1.111g SiO2 is the experimental amount recovered/used, and the total theoretical mass of the overall sample... more
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10/06/22

A pair of dice is rolled, what is the probability of each of the following events.
a.     A sum of at least 7 shows upb.     A sum of most 8 appearsc.     One number is three or the other number is evend.     Both numbers are even and greater than or equal to 4,
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