03/29/24

The population of a mid-size city doubles every 18 years. The population is presently 168000. Write the equation of a function that represents the population of the city using the shampoo formula
Can someone help me with this? Thank you.
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03/28/24

A quadratic function in standard form has a y-intercept of 12 and a non-real root of x=-2+2isqrt3. Write the function in both standard and vertex form.
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03/27/24

A bank account that accrues continuously compounded interest grows in value at a rate pro- portional to its current value.
The current value is modeled by the exponential equation y = y0e^rt, where r is the annual interest rate, t is time in years, and y0 is the initial value of the account. Suppose after 2 years, the... more
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03/26/24

Find the exact value of the cosine and sine of the given angle.

θ=-43π/6
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03/26/24

A water tank can be filled in 6 minutes and emptied in 8 minutes. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
This is a Ratonal Applicaton Problem Please show the steps!
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03/22/24

A bank pays 6% nominal annual interest, compounded daily. About how long, nearest day, will it take for a deposit of $1000 to reach $1500?
A bank pays 6% nominal annual interest, compounded daily. About how long, nearest day, will it take for a deposit of $1000 to reach $1500?
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03/21/24

how do I INSTANT BOOK A LESSON LAST MINUTE
I need to instant book a last minute lesson for precalculus
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03/19/24

How can you find a value of x that satisfies the equation sin 38° = cos(x).
Honestly, I'm just really confused, I don't understand when to use cot, or ark cos.
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03/18/24

How far from the ground do the ropes cross? In ft.
Two vertical poles have heights 6 ft and 12 ft. A rope is stretched from the top of each pole to the bottom of the other. How far above the ground do the ropes cross?
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03/18/24

Half life Questions
The half-life of substance A is 16 years, and substance B decays at a rate of 30 % each decade.(a) Find a formula for a function f(t) that gives the amount of substance A, in milligrams, left... more
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03/18/24

Math Half life equations
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 6 weeks after... more
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03/13/24

5th grade math question (5 packages and 12 people)
Am I reading too much into this? I was helping a kid with this earlier today and wondering if I'm overthinking it. 5 packages. 12 people. How much does each person get? Just 5/12 (5 twelfths) of a... more
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03/10/24

tan (45+x) = tan (45-x). when using compound formula x=90 disappears
When solving by simply making 45+x=45-x you also get x=90. My maths teacher has gone over and checked on the actual graph and this is definetly a valid answer, we can't figure out why it doesnt... more
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03/10/24

A recent college graduate's gift from her grandparents is $29,000.
How much will this provide at the end of each month (in $) for the next 12 months while the graduate travels? Assume that money is worth 7.8% compounded monthly. (Round your answer to the nearest... more
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03/09/24

If an initial investment of $2,400 grows to $31,000 in 18 years, what annual interest rate (as a %) compounded annually did this investment earn? (Round your answer to two decimal places.)
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03/08/24

one lesson free and recording
Hi,I would like to get one lesson for free, what should I do?I couldn't see my son's lesson recording yesterday.
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03/08/24

A wheel with a diameter of 0.6 is traveling at 1000rpm. What is the speed? (linear speed?)
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03/07/24

Find an equation of the tangent line to the curve at the given point.

Find an equation of the tangent line to the curve at the given point.f(x) = 3x2 − x3,  (1, 2) y =  
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03/07/24

The longer leg of a right triangle 3 cm is longer than the shorter leg. The hypotenuse is 6cm longer than the shorter leg. Find the side lengths of the triangle.
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03/05/24

Are you looking for a Mathematics, Reading, Economics and Statistics teacher? Reach out to me for the best online classes and see your grades improve!
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03/05/24

payment to tutor declined
My payment to my tutor was linked to an account that is no longer in service. I just updated credit card information. How do I get the invoice resubmitted? Don't want tutor to not get his money.... more
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03/04/24

Write the composite function in the form f(g(x)).  [Identify the inner function u = g(x)  and the outer function y = f(u).]
y = 3 (rad) 1 + 8x(g(x), f((u))= ? Find derivate = dy/dx
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03/03/24

phil takes 3 hours to do a job. his assistant, john, takes 4.5 hours for the same job. if john helps phil do the job for 1 hour, how long will it take phil to complete the job by himself?
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03/01/24

find the dimensions of the poster with the smallest area.
The top and bottom margins of a poster are 8 cm and the side margins are each 4 cm. If the area of printed material on the poster is fixed at 386 square centimeters, find the dimensions of the... more
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03/01/24

Complete the proof. Given s||r - Prove <1 and <3 are supplementary
<-------\1---------->s 2 \ \ \<------------3\--------->r \
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