Algebra Answers

A freight train passes through a 750-m long tunnel at 50km/h. The back of the train exits the tunnel 1.5 min after the front of the train enters it. What is the length of the train, in meters?

Mags is 2 years older than vector. Which equation will help you find mags age (m) if you know vectors age (v)

how much is 25*10

Let V be a vector space which is generated
by a finite set of vectors {v1, v2, ..., vn.}. Prove
that any linearly independent set of vectors
in V is finite and contains not more than n
elements.

The function h(t)=5,000•(2.1)t models the value of Ms. Ruiz’s house, where t represents the number of decades since 1950. In what year did the value of Ms. Ruiz’s house first exceed 25,000? Explain how you cane use a table to find the answer.

A stone is dropped from a height (h) above the ground. It strikes the ground t seconds later.show that acceleration due to gravity is given by g=2h/t×t

For any two subsets A and B of a set U , we define their symmetric difference to
be ). A ∆ B = (A \ )B ∪ (B \ A
i) Check whether ∆ distributes over ∩ .
ii) Show that A A∆ « = .
iii) Prove that A B (A B ) (A B)

Kremer methoed se solve kre
X+2y+z=5
2X+2y+z =6
X+2y+3z=9

Morgan throws a ball up in the air the height of the ball above the ground in feet is modeled by the function HT equals -16 T squared +2014 which he represents the time in seconds since the ball was thrown what is the appropriate domain for the situation

You are having a meeting with the CEO of a soda company. You have interpreted the number of cans of soda produced versus profit as the function P(x) = x4 − x3 − 11x2 + 9x + 18. Describe to the CEO what the graph looks like and, in general, how to sketch the graph without using technology. Use complete sentences, and focus on the end behaviors of the graph and where the company will break even (where P(x) = 0)