07/11/19
What is the next number in this sequence?
What is the next number in this sequence?3,-6,12,4,20?
07/09/19
Translating a word problem (hard)
2 divided by the difference of a number and 3 minus 4 divided by the number plus 3, equals 8 times the reciprocal of the difference of a number squared and 9. What is the number. I know the answer...
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if y varies inversely as x, find the constant variation k and the inverse variation equation for the situation.
y=1/5 when x=35
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07/09/19
Algebraic Composition Word Problem
If x is twice y, and z is four less than x, write z as a function of y.
Math word problem
A basement is flooded with 800 cubic feet of water. It takes 5 hours to pump out the water. Let f(t) be the number of cubic feet of water that remains in the basement after t hours of pumping.
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07/08/19
What are the numbers?
The sum of three numbers is 95. The second number is 3 times the third. The third number is 5 less than the first. What are the numbers?
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07/07/19
Math problem please solve
Find the value of x so that x+2,5×+1 will form a geometric sequence. Find the sum of the first 10 terms of the given sequence
07/06/19
On a map, 1 inch equals 11.6 miles. If two cities are 4.5 inches apart on the map, how far are they actually apart?
On a map, 1 inch equals 11.6 miles. If two cities are 4.5 inches apart on the map, how far are they actually apart?
07/03/19
The overhead reach distances of adult females are normally distributed with a mean of 195 cm and a standard deviation of 7.8 cm.
a. Find the probability that an individual distance is greater than 204.30cm.b. Find the probability that the mean for 25 randomly selected distances is greater than 193.70 cm.a. The probability is...
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07/01/19
Transcendental Argument for God
I'd like to understand the various forms of this argument and the responses that it has generated.
06/30/19
Exponential Decay and Growth Questions
In a study of an insect population, there were about 160 insects four weeks after the study began and about 342 insects after two more weeks. Assuming an exponential model, how many insects in the...
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06/29/19
Compute the mean and variance (to 2 decimal places) of the following data: 1.30, 1.31, 1.11, 1.08, 1.09, 1.13, 1.65, 1.26, 1.26, 1.18;
Compute the mean and variance (to 2 decimal places) of the following data:1.30, 1.31, 1.11, 1.08, 1.09, 1.13, 1.65, 1.26, 1.26, 1.18;
06/26/19
Why the sum of residuals equals 0 when we do a sample regression by OLS?
That's my question, I have looking round online and people post a formula by they don't explain the formula. Could anyone please give me a hand with that ? cheers
The length of a rectangle is 3 feet greater than its width. The area of the rectangle is 18 square feet. What are the length and the width of the rectangle?
Please help, and clearly explain how to solve it.
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06/21/19
I need help. I have tried to do this problem.
I have tried to do this problem. I want to make sure I am doing the steps and processes the right way. Solve the equation, giving the exact solutions which lie in [0, 2π). tan(x)=cos(x)
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06/20/19
What are some examples of US states warring with one another?
My question is, has there been any states that have warred with each other in the United States?
Obviously the one war that comes to mind is the Civil War, not what I am looking for. My question...
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