Answer:
cosx = sqrt(15)/4, -sqrt(15)/4
Step-by-step explanation:
cos²x = 1 - sin²sin x
cos²x = 1 - (1/4)²
cos²x = 15/16
cosx = sqrt(15)/4, -sqrt(15)/4
Answer:
Step-by-step explanation:
Let
P-------> the population of Jacksonville
t----> the number of years since 2018
we know that
The equation that models the population of Jacksonville in t years is
we have
substitute
Standard form is presented as Ax + By = C
all you need to do here is move the y value over to the side with the x value.
so,
x + 2/7y = 3/4
80% converted to a decimal is 80/100=0.8
Multiply the total with the percent 685*0.80
The answer is 540
Answer: each book costs $13
Step-by-step explanation:
dividing 65 by 5 gets the answer
