07/07/22

A population numbers 12,000 organisms initially and decreases by 2% each year.
A population numbers 12,000 organisms initially and decreases by 2% each year.Suppose PP represents population, and tt the number of years of growth. Write an exponential model to represent this... more
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07/06/22

When 70% of a mumber is added to the number the result is 187
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07/06/22

Consider the function:
f(t)= integral from 0 to t of (x^2+11x+28)/(1+cos^2(x))At what value of t does the local max of f(t) occur? t=
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07/06/22

Use Part I of the Fundamental Theorem of Calculus to find the derivative of
g'(x)= integral from 6x to 7x of (u+2)/(u-4)
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07/05/22

How much of the drive will you pick up a signal from the transmitter?
A small radio transmitter broadcasts in a 43 mile radius. If you drive along a straight line from a city 53 miles north of the transmitter to a second city 54 miles east of the transmitter, during... more
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07/04/22

Critical numbers

Consider the function: √t^2-4 this whole thing is under the square root.How would I go about figuring out where the function is increasing or decreasing. I've already got the derivative and set it... more
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07/02/22

Investment/intrest
Larry Mitchell invested part of his $11,000 advance at 3% annual simple interest and the rest at 9% annual simple interest. If his total yearly interest from both accounts was $750​, find the... more
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07/01/22

intergrate intergral x^2/sqrt x^6+4 dx.
? +C
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06/29/22

Applied Statsssss
The average teacher's salary in North Dakota is $35,441. Assume a normal distribution with =σ$5100. Round the final answers to at least 4 decimal places and round intermediate z-value calculations... more
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06/28/22

optimization drowning person
Consider a lifeguard at a circular pool with diameter 30 meters.He must reach someone at the exact opposite side of the pool, position C. The lifeguard swims from point A to point B with a speed v... more
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06/28/22

optimization problem
find the maximum area of a rectangle inscribed in the region bounded by the graph of y=(4-x)/(5+x) and the axes.
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06/28/22

Applied Statsss
Assume that the mean systolic blood pressure of normal adults is 120millimeters of mercury (mmHg) and the standard deviation is 5.6. Assume the variable is normally distributed. Round the answers... more
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06/27/22

Natural logs and finding the exact value of x
How would I go about solving this problem:8=[ln(x^5-4)]^3Could you please show the steps, I am very confused on how to solve this problem.
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06/27/22

Find all solutions to the equation 6cos(x+4)=1 in the interval 0≤x≤2π. If there is more than one answer, enter your answers as a comma separated list.
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06/20/22

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place.

Below, enter your answers so that ∠A1 is smaller than ∠A2.)b = 28,    c = 32,    ∠B = 24°FIND: ∠A1 ∠A2 ∠C1∠C2a1a2
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06/20/22

Determine the intervals on which the given function is concave up or down and find the point of inflection.

If f(x) = x(x - 5(sqrt x))Find the x-coordinate of the point of inflection is???For the following two questions give the largest interval in the domain of f that fits the description. The interval... more
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06/20/22

Answer for college algebra problem??
Find the standard form for the equation for the circle with the following properties: Center (4,9), passes through (9,0).I’m having a hard time figuring out the steps to make this into standard form.. more
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06/19/22

Logarithms and Logistic Growth
Let P(t)=20000(1.02)t^ be the population of a town t years after the year 2000.Estimate in which year the population will reach 22974.Year = ______________
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06/15/22

Determine the equation of the parabola with focus (-6,-7) and directrix y=9
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06/14/22

Please Help!!! I am clueless about how to work this problem out!
A certain retailer increases wholesale prices by 36%. If this retailer offers a 5% discount off the ticket price, what percent profit will the retailer realize?The realized profit is the amount of... more
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06/13/22

What is the area between the given curves
y = 2/x , y=8x, y=1/8x, x>0
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06/13/22

bacon cheeseburger at a popular fast food restaurant contains 2,070mg of sodium, which is 86% of the recommended daily amount
A bacon cheeseburger at a popular fast food restaurant contains 2,070mg of sodium, which is 86% of the recommended daily amount. What is the total recommended daily amount of sodium? Round to the... more
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06/11/22

REVOLUTIONS AND INTERGRATION
Let R be the region bounded by the curves y = 2, y = 1 - x, and y =ex Let S be the solid obtained by rotatingthis region around the line x = -1. Use the disk/washer method to express the volume of... more
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06/10/22

Three consecutive even integers exist such that when the sum of the smallest and middle-valued integers is subtracted from the largest integer, the result is −22. What are the three integers?

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06/10/22

I need help with math it is in the description
. A rope wraps around the barrel as shown. Approximately 20 additional centimeters of the rope are used to tie the knot.What is the approximate total length of the rope in centimeters?
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