Equations

Solve the equation -6cos(𝝅t/6)+10 ≥ 12 for t.For context: The equation models a harbour on a certain day, in which y≥12 represents where it is safe for a ship to enter or leave the harbour. I need to...

I'm just looking for someone to go through the attached question set so I have answers to compare mine to. The maths involved is actually fairly simple.

Hi,  I need help to finish this last question on my paper.im struggling to extract the information to plug into equations.any help will be fantastic.tbank you.

Extreme equation help So my work is offering $6,000 to anyone who can solve this. https://www.instagram.com/p/Cc1cbJgp3h2/igshid=YmMyMTA2M2Y I’m no good at math and I’m hoping someone bored on here co...

The problem is in the files attached.I have been given the coordinates of the raindrops both start and end.My question is how do I obtain the angle, and after that how do I arrange the equation to get...

Trying to prove that the statement is true, which I am sure it is. Much like the last problem posted here, I am unsure how to go about solving itI do not believe a negation is necessary but I could be...

I am already sure that the original statement in the image is false, however, it needs to be proven by showing that the negation is trueBecause of the domain, only integers can be used if plugged in

$\sum_{k=1}^{n} \tfrac{2k+1}{k^{2}(k+1)^2 } $This is for a discrete math course. Lots of students were strugglign with this one, so the instructor gave us a couple hints: first, we are supposed to use...

I need to know the equation/formula for working it out.The staff commute to work in different ways 2/5 drive, 4/15 catch the bus and 1/3 cycle order the fractions starting with the largest

Rectangular coordinates to polar coordinates 

file is attached

A coin sold for ​$\$ 269$ in 1980 and was sold again in 1989 for $\$ 477$. Assume that the growth in the value $V$ of the​ collector's item was exponential. ​a) Find the value k of the exponential gro...

The length of each side of a square is $3 in.$ more than the length of each side of a smaller square. The sum of the areas of the squares is $185$ squared in. Find the lengths of the sides of the two...

Five times the larger of two consecutive odd integers is equal to one more than eight times the smaller. Find the integers.

Prove that \frac{1}{1-\sin x}-\frac{1}{1+\sin x}=2 \tan x \sec x.

Find the equation of the line passing through the point $(1,3)$ and tangent to the circle $x^2+y^2=1$.

Please help me with this equation. I could not solve it by factoring.