06/04/25

when do you subtract the x=constant from the shell function rather than place it as an upper or lower bounds?
Working through examples I find that sometimes the right thing to do is subtract that constant and other times it hangs around as an upper or lower bound how do I know when to do what
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05/12/24

sketch the curve given by each pair of parametric equations over the given interval
https://ibb.co/zh5fLw6photo of problem ^
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11/01/23

Derivative Question
Let f(x) = (arcsin)(sqrt((1-sinx)/(1+sinx))), find f’(0)
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09/27/23

Sketch the graph of the following function and determine its domain and range.
1. f(x)= x² - 81/ x+92. f(x)=√9-x²3. f(x) = {x² -1 if x<3 at x= 3 {x+5 3≥x
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08/30/23

Ray BD bisects ∠ABC so that m∠DBC = (x + 6) and m∠ABD = (2x – 12). What is x? A. 12 B. 14 C. 16 D. 18
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08/30/23

any vector can be written as a unit vector multiplied by the mangintude of the vector. write each of the following vectors as the magnitude of the vector tiems the appropriate unit vector
I keep trying this one and getting it wrong<2x10^6, -7x10^6, 5x10^6)the magnitude = 7280110.233 or 7.28x10^6then you divide x, y, z by the magnitude, but none of my answers are right because the... more
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08/11/23

If x is the number of copies made and y is the amount charged for the​ copies, what is the formula for the amount​ charged?
Cost for copies is a linear function of the number of copies. If 75 copies cost $17.25​, and 100 copies cost $22.00​, write a formula for copy cost as a linear function of the number of copies.... more
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08/11/23

please help with this
A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 9 cm. (Note the... more
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08/11/23

please help with this
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 24 knots. How fast (in knots) is the distance between the ships changing... more
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08/11/23

please help with this
Gravel is being dumped from a conveyor belt at a rate of 40 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is... more
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08/11/23

Please help me to solve this problem!
Use Newton's method to find the absolute maximum value of the functionf(x) = 5x cos(x),    0 ≤ x ≤ 𝜋,correct to six decimal places.please help me to solve this problem. I've got the wrong answer.
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08/11/23

Since I don't have graphing calculator.. how to find the answer of this?

A graphing calculator is recommended.Use Newton's method to find all solutions of the equation correct to eight decimal places. Start by looking at a graph to find initial approximations. (Enter... more
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08/11/23

Newton Method, please help me
Consider the following -2x^5+9x^4− 7x3 − 14x = 0,    [3, 4]Use Newton's method to approximate the solution correct to six decimal places.I know how to solve the problem with the Newton method, but... more
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08/11/23

Statistics Problem
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.4 years, and standard deviation of 0.6 years.If you randomly purchase 12 items, what is the probability... more
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08/10/23

The average time between accidents in a factory is 11 weeks. Find the probability that more than 19 weeks pass between accidents.
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08/01/23

Sampling distribution

A consulting firm was tasked to design a system to be used to control a clients’ manufacturing processes. The design specification indicates the mean for the process should be 120 and corrective... more
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08/01/23

Sampling distribution

Suppose research indicates that members of the millennial generation are continuing to be dependent on their parents into early adulthood. A family research organization claims that no more than... more
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08/01/23

Confidence interval

A sample survey of 60 discount brokers showed the mean price charged for a trade of 100 shares at N$ 500 per share was N$ 337. The survey is conducted annually. With the historical data available,... more
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08/01/23

Sampling distribution

It is reported that 63% of all entrepreneurs who opened new enterprises in a certain country in the previous year were university graduates. Suppose a random sample of 300 entrepreneurs who opened... more
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07/27/23

physics word problem
A small catapult is used to launch 1.5 kg water balloons straight up into the air. A clever student is able to measure the speed of the water balloon while it is rising up into the air. She finds... more
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07/27/23

physics word problem (help pls)
 While on vacation, Raul is staying in a hotel room with a balcony 18.0 m above the ground that is overlooking the ocean. He is curious as to how far he could throw a rock before it hit the water.... more
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06/30/23

I spun a penny 175 times and got 70 heads. We wish to find how significant is this evidence against equal probabilities. What is the sample proportion of heads?
Spinning a coin, unlike tossing it, may not give heads and tails equal probabilities. I spun a penny 175 times and got 70 heads. We wish to find how significant is this evidence against equal... more
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06/30/23

ssified as only children (no siblings). However, in the special program for talented and gifted children, 178 out of 436 students are only children
In a certain school district, it was observed that 34% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted... more
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06/30/23

You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.6. You use a significance level of α = 0.001 .
You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.6. You use a significance level... more
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12/09/22

True or False Questions With Explanation Why The Answer Is So
1.Suppose that bushfires in North-West Victoria destroys many of the citrus farms. As a result, theprice of oranges rises from $0.40 to $0.80, the price of a tangelo rises from $1.20 to $2.00, and... more
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