The Martinez family is having their swimming pool filled with water by a professional company. A tanker truck can fill the pool at a constant rate of 150 gallons per minute. Assume the pool contained no water at the beginning of the filling process. a. Write a linear equation in two variables that represents the number of gallons of water in the Martinez’s pool, y , at any time, x , in minutes. Question 2b. Find the five solutions for the linear equation from part (a) indicated in the table. Number of minutes, x Number of gallons of water, y1357

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

i think the answer would be c

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

15.36 per mile

but forgot to round

i am pretty sure