What does the letter X equal?

log x + log 3 = log 18x = I got 6 and 6.0001 but it's incorrect.

Question 14 trigonometry

Find the angle between 0 and 2pie in radians that is coterminal to the given angle.

Advance Placement Statistics?

It is estimated that 52% of drivers text while driving. How many people should a police officer expect to pull over until she finds a driver NOT texting while driving?Note this question uses the... more

I have a z values statistics question.

A population is normally distributed with µ=36 and δ=10 What is the probability of randomly selecting a value that is greater than 45?I get 18,41%, but on my lecture slides the answer is : Area... more

Calculus problem, help!

Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at... more

Module calculus problem

Find Options: 0/0 1 0 1/2

Calculus problem

Determine the slope of the graph of x4 = ln(xy) at the point (1, e)Options: 3e e4 1 4

Distance, Velocity, Acceleration, and Rectilinear

The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 60t - 3t2, t seconds after the driver applies the brakes. How many seconds after the driver... more

Distance, Velocity, Acceleration, and Rectilinear

A particle moves with velocity function v(t) = 2t2 - 3t - 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 2 secondsOptions: 3/4... more

Probability With Drawing Marbles - Hard

You have 9 marbles in a bag. 2 are red, 7 are white. After drawing 7 marbles, one by one, and setting them aside, what is the probability that you have picked both of the red marbles?

Which group is most likely to be closest to the theoretical probability?

A group of people are spinning a spinner that is separated into eight equal parts. ● Group One spins the spinner eight times.● Group Two spins the spinner twenty times.● Group Three spins the... more

what is the probability that she will select a blue marble first, then a clear marble?

Maria has eight black marbles, fourteen clear marbles, and twelve blue marbles in a bag. If she picks two marbles at random, without replacement, what is the probability that she will select a blue... more

Stuck with Empirical Rule

Hi,I have spent alot of time trying to understand Empirical rule. All the examples show problems falling right into place. Here is what I have mean=69.5, standard deviation=2.4___% between 64.7 and... more


combinations and probability

The coach has to select 2 co-captains from the 15 girls out for soccer. How many sections are possible?


Ap Stat, Standard deviation of p^

A 2010 study of 240 randomly-selected residents of a subtropical resort city with 82,000 residents found that 5.4% of them had been exposed to the mosquito-borne virus that causes Dengue fever.... more


I don’t get how to solve it

If n=400 and ˆp (p-hat) = 0.9, construct a 95% Confidence Interval.In order to use technology, you need to compute the number of successes:x = n*ˆpGive your answers to three decimals.


Have a test on this please help me!!!

According to the bureau of labor statistics, about 10% of the civilian labor force (both men and women) were 20 to 24 years of age in 1996. Using this data and the formula for the binomial... more


What the probability that the team will win the second game given that they have already won the first game?

The baseball team has a double -header on Saturday. The probability that they will win both games is 42% . The probability that they will win the first game is 60%. What the probability that the... more


probability and statistics

Find the probability of exactly two successes five trials of a binomial experiment in which the probability of success is 50%. Round to the nearest tenth of a percent


precalculus finance

Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest... more

Optimization Calculus Question

An industrial tank is formed by adjoining two hemispheres to the ends of a right circular cylinder.  The tank must have a volume of 4000 cubic feet.  The material for the lateral surface costs $5... more
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