02/19/21

What is her commission rate
A real estate agent earned $6,000 commission on a property sale of $300,000.
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02/19/21

Find the amount of sales tax collected
A hotel manager found that his gross receipts for the day, including a 9% sales tax, totaled $3,727.80.
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02/19/21

The side of a cube is elongated and becomes three times larger than its original length. The new larger cube will hold 108 liters of water. How much water can fit in the small original cube?
The side of a cube is elongated and becomes three times larger than its original length. The new larger cube will hold 108 liters of water. How much water can fit in the small original cube?
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02/19/21

Find an equation of the tangent line to the graph of the following function f at the specified point.
f(x)=10x/x^2-6; (4,4) (This is the equation)
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02/18/21

Calculus question
I missed my class today, so I'm not sure on how to do these 2 questions that are on the homework.Find the equation of the tangent to the curve at x = 3 for the parametric equations below:  , with t... more
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02/18/21

Plane phone or solve x

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a monthly fee and charges an additional for each minute of calls. The second plan has a... more
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02/18/21

Which of the following is a possible equation for a quadratic given it has roots at 0 and -7?
Okay I am pretty sure this is the last problem that I need help on, again I just want t thank you for taking your time out of your day to help me with these problems, Thanks!
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02/18/21

The classic "when does x enter the y" type question
I need help with a certain question in a math puzzle. The equation is h(t)=-16t^2+24t+48. I need to find out when it'll reach the max height.
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02/18/21

x^2+6x=16 Solve For X by Completing the Square... Show work step by step
Thank You SOOO MUCH... I am struggling really badly in Math right now and don't have the money to pay for a tutor, so I appreciate this incredibley.
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02/18/21

A rectangular piece of land is bordered on one side by a river. The other 3 sides are to be enclosed by 300 feet of fencing. What is the maximum area that can be enclosed?
A rectangular piece of land is bordered on one side by a river. The other 3 sides are to be enclosed by 300 feet of fencing. What is the maximum area that can be enclosed?
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02/18/21

Estimate the energy used.
The table gives the power consumption P in megawatts in a county from midnight to 6:00 AM on a day in December. Use Simpson's Rule to estimate the energy used during that time period. (Use the fact... more
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02/18/21

explain how you would graph without a calculator V(x) = –(x + 1)2(x – 3)3
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02/18/21

equation of the secant line - urgent help please!
Let f(x)=5.9x^2 − 2.6x. Can someone help me find the equation of the secant line on the graph of f(x) between x1 = 2 and x2 = 7 ---- with the answer in mx + b format?
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02/18/21

avg rate of change !!
Find the average rate of change in millions/day, of the daily receipts from day 42 to day 112 Days (right side) ----- $Receipts (left... more
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02/18/21

Problem in description. Thanks :)
The Gulf Stream is a warm ocean current that extends from the eastern side of the Gulf of Mexico up through the Florida Straits and along the southeastern coast of the United States to Cape... more
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02/17/21

Determine f if f'(x)= x^2/sqrt(x^3+3x+1) and f(0)=1
hello! i’ve been solving this for quite some time now and i’ve yet to get any conclusive results. i would really appreciate some assistance :)) thank you!!
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02/16/21

Find the function that gives the rate of change of claw weight with respect to body weight.
Data for fiddler crabs analyzed by a company show that the allometric relationship between the weight C of the claw and the weight W of the body is given byC = 0.17W1.24.Find the function that... more
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02/16/21

Find E'(8). E(x) = (0.001x − 0.062)(−0.18x2 + 8.2x − 200)
E(x) = (0.001x − 0.062)(−0.18x2 + 8.2x − 200)Find E'(8). (Give an exact answer. Do not round.) E' (x) = ?
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02/16/21

Evaluate y' when x = 1
Consider the following.y = x4 − 3x2 + 8Evaluate y'' when x = 1y' (1) = ?Write the equation of the tangent line to the curve at x = 1. ?
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02/16/21

How would I find the equation of the tangent line f(x)=3^ln(ex) at x=e
I don't understand the ex part
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02/16/21

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 6 mi^2/hr. How rapidly is radius of the spill increasing when the area is 9 mi^2?

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 6 mi^2/hr. How rapidly is radius of the spill increasing when the area is 9 mi^2? The radius is... more
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02/16/21

A hot air balloon rising vertically is tracked by an observer located 5 miles from the lift-off point.
A hot air balloon rising vertically is tracked by an observer located 5 miles from the lift-off point. At a certain moment, the angle between the observer's line-of-sight and the horizontal is π/6... more
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02/16/21

A street light is at the top of a 12.0 ft. tall pole.
A street light is at the top of a 12.0 ft. tall pole. A man 6.0 ft tall walks away from the pole with a speed of 3.5 feet/sec along a straight path. How fast is the tip of his shadow moving when he... more
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02/16/21

Consider the function f(x)=2x^3+12x^2−192x+10,−8≤x≤5.

Consider the function f(x)=2x^3+12x^2−192x+10,−8≤x≤5. Find the absolute minimum value of this function. Answer: Find the absolute maximum value of this function. Answer:
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02/16/21

Determine where the absolute extrema of f(x)=4x/(x^2+1) on the interval [−4,0] occur
Determine where the absolute extrema of f(x)=4x/(x^2+1) on the interval [−4,0] occurThe absolute maximum occurs at x= The absolute minimum occurs at x =
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