So if an equation with two variables, you need to also two equations to solve the values of the variables. but if you knew the value of the one variable then onl one equation is need. for example an equation x + y = 20
where x = 5
then to solve the value of y, substitute the value of the equation
5 + y = 20
then transpose 5 to the other side
y = 20 - 5
y = 15
Answer:
the answer will be
area is= 10
maximum area is 100
Step-by-step explanation:
Answer:
Look below.
Step-by-step explanation:
In order to find these intercepts you have to know that you have to substitute y and x for zero to find the intercept. Look below to see the steps.
<u>X-intercept:</u>
(substitute y for 0 in the equation and use order of operations to solve)
−5x+2y−10=0
−5x+2(0)−10=0
x=-2
<u>Y-intercept:</u>
(substitute x for 0 in the equation and use order of operations to solve)
−5x+2y−10=0
−5(0)+2y−10=0
y=5
Answer:
p = 0.52392
Step-by-step explanation:
Here we have
p = 23% = 0.23
= 208/800 = 0.26
n = 800
q = 1-p = 0.77
α = 5% = 0.05
Here we have
Z test given by
From which we have
From the Cpdf we have Probability = 0.0219, z = 2.016
Therefore from the z score = 0.0683, p = 0.52392 from z table.