For the arbitrary value of a0, a1, and a2,
it was found that a1=a2,
anda2=a1=t.

a0 + 2a1 - a2 = 0

when isolate the a0
a0 = -2a1 + a2
a0 = -2a1 +a1
a0 = -2t + t

how did a0 became -3t, shouldn't it also be t?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c