07/24/20

Exponential Equations 15
Find the time it takes for $6,100 to double when invested at an annual interest rate of 10%, compounded continuously. years  Find the time it takes for $610,000 to double when invested at an annual... more
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07/24/20

A value 2 times a smaller number is 2 less than a larger number . Their difference is 13. What is the larger and smaller number?
Stuck on this math problem regarding systems of equations, would really appreciate the help, thanks!
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07/16/20

How many different breakfasts can you have at the local diner?
How many different breakfasts can you have at the local diner if you can select 3 different egg dishes (scrambled, fried, poached), 4 choices of meat (steak, ham, bacon, sausage), 5 breads (white,... more
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07/16/20

Laplace method to solve the IVP
How do I solve the following questions in laplace method to solve the following IVP? x''(t)+3x(t)=2(cos t)^2, x(0)=x'(0)=0 If we introduce X(s)=L{x(t)}, find X(s).
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07/10/20

Solve application problems using quadratic functions.
A person’s systolic blood pressure, which is measured in millimeters of mercury (mm Hg), depends on a person’s age, in years. The equation: P = 0.004y2 - 0.02y + 120 gives a person’s blood... more
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07/09/20

How can I solve this? And what does it mean?
Given the circle (x-6)^2 + (y+7)^2=225. Determine the center, length of the radius, and exact Circumference.
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07/08/20

Find the general solution of the ODE
Find the general solution of the following ODE:     Please show ALL work. 
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07/08/20

The position of a falling object is given by the function
s(t)=-16t^2+80t+10(a) find the instantaneous velocity of the object at t=3/2.(b) at what time t is the instantaneous velocity of the object zero? Find the instantaneous velocity of the object... more
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07/08/20

Could someone help me with this algebra question please
Find (f(x+h) - f(x))/h if f(x) = 5x^2 + 4
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07/08/20

Round your answer up to the nearest whole number.
You are a researcher studying the lifespan of a certain species of bacteria.  A preliminary sample of 30 bacteria reveals a sample mean of ¯x=78 hours with a standard deviation of s=6.8  hours.... more
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07/08/20

Express the confidence interval

Express the confidence interval (433.1,496.1) in the form of ¯x±ME.
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07/08/20

Derivatives Opposite
Find f.f ''(x) = −2 + 30x − 12x2,    f(0) = 2,    f '(0) = 14f(x) = ?
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07/07/20

Normal Distribution
The labels on boxes of Cheesy Poofs say that the box contains 16 ounces of Cheesy Poofs, but that doesn’t guarantee that each box contains exactly 16.00 ounces. The machine that fills the boxes... more
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07/07/20

Jasper and Corey have saved up a total of $78.00. Jasper haves saved $6 more than twice as much as Corey. How much has Corey saved?
Jasper and Corey have saved up a total of $78.00. Jasper haves saved $6 more than twice as much as Corey. How much has Corey saved?
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07/06/20

Slope-intercept form of the equation described.
through: (-3,4), parallel to y=-4/3x+3
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07/06/20

Mean of Test scores
the mean of normal distributed test score is 79 and the standard deviation is 5 if there are 242 test scores in the data sample how many of them were in the 84 to 94 range
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05/05/20

Probability Math question help

 A random sample of 500 adults in Flagstaff found 15 adults who had lost a job in the past year. Find a 95% confidence interval for the true percent of adults in Flagstaff who have lost a job in... more
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03/24/20

Matthew has 3 1/4 gallons of lemonade. He sells 4/8 of the lemonade. How many gallons of lemonade does Matthew have left
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05/04/18

You are given a piece of cardboard and asked to cut out a square of area (169y2 + 260y + 100) cm2. The side length of the square is ax + b cm, where a and b are
i dont know what im doing i need help.
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12/02/15

Using direct evaluation find the convolution
Using direct evaluaton the convolution of f(t)=t and g(t)= e-2t
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06/20/13

Recommend me a good textbook for Differential Equations?
Name the title of the book, author, edition, ISBN number. Also, what bookstore sells used college textbooks for this? And what math should I take after Differential Equations for physics and... more
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09/05/12

what is the event below
what is mean by "event below" please explain with example and give short defination.
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