10/30/21
Find a polynomial function
Find a polynomial function f(x) of degree 3 with real coefficients that satisfies the following conditions.zero of 0 and zero of 2 having multiplicity 2; f(3)=12
10/30/21
Use the power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.
9sin^4x = (simplify your answer. use integers or fractions for any numbers in the expression.)
10/30/21
standard deviation
A normal distribution has a mean of 10 and a standard deviation of 3. Use the 68-95-99.7 rule to find the percentage of values in the distribution between 10 and 13.What is the percentage of...
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10/30/21
standard devation
Assume that a normal distribution of data has a mean of 25 and a standard deviation of 7. Use the 68−95−99.7 rule to find the percentage of values that lie below 4.
10/30/21
Outside temperature over a day can be modeled as a sinusoidal function
Suppose you know the temperature varies between 45 and 55 degrees during the day and the average daily temperature first occurs at 10 AM. How many hours after midnight, to two decimal places, does...
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10/29/21
Math problem for my algebra class
A text message plan cost $7 per month plus $0.35 per text. Find the monthly cost for x text message. The monthly cost of x messages is __ dollars
10/29/21
Marc Has 45 CDS
Marc has 45 CDs in his collection, and Corinna has 61. If Marc buys 4 new CDs each month and Corinna buys 3 new CDs each month, after how many months will Marc and Corinna have the same number of CDs?
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10/29/21
I am not sure about how to approach this word problem.
A school sold 51 less children’s tickets than adult tickets for the school play. Adult tickets cost $1.25 and children’s tickets cost $0.75. A total of $129.75 was taken in. How many of each kind...
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10/29/21
Find (d^2y)/dx^2 for y=5x^4-2x
10/29/21
Find the f'(x) if f(x)=(2-x^2)/8+x^2
Please Read the Description!
One thousand chances are sold at $6 apiece for a raffle. There is a grand prize of $500, two second prizes of $275, and five third prizes of $100. First calculate the expected value of the...
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10/29/21
Kareem's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Kareem $4.05 per pound, and type B coffee costs $5.65 per pound.
Kareem's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Kareem $4.05 per pound, and type B coffee costs $5.65 per pound. This month's blend used twice as...
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Solve the following exponential equation. Express your answer as both an exact expression and a decimal approximation rounded to two decimal places. 3e−x+11=48
Solve the following exponential equation. Express your answer as both an exact expression and a decimal approximation rounded to two decimal places. 3e^−x+11 = 48If you wish to enter log or ln,...
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