Answer:
Greatest Common Factor: integer or variable multiplied by other integers or variables that creat a resultin product. factor x factor = product
difference of squares binomial: an expression where two perfect square terms are being subtracteda² - b² = (a+b)(a-b)quadratic: from "quad" meaning square, because the variable gets squared (like x2).
discriminant: tells you about the roots of a quadratic
general form: y = a(x - h)^2 + kstandard form: ax^2 + bx + c = 0root: a solution of an equation
zero: a value that gives you 0 for a function
x-intercept: where the graph crosses the x-axis
y-intercept: where the graph crosses the y-axis
extraneous: a solution that does not work
parabola: the graph of a quadratic
vertex: the turning point of the parabola
axis: line of reflection
translation: movement up/down and left/right of any parabola from standard position (f(x) = x2)
The basics of what you should know
Step-by-step explanation:
Can get brainiest pls
The sample size can be calculated by the following formula:
where s is the sample size, z is the z-score of the confidence level, p is the decimal form of the percentage who picked a certain choice in the poll, and E is the margin of error expressed as a decimal.
We first find the margin of error in the original sample size of 270.
Since the new sample had 3 times the margin of error of the first poll, we will use 3(0.038) or 0.114 as the margin of error of the new sample. We then compute for the sample size using the same formula.
ANSWER: 30 people were surveyed on the second poll.
Answer:
1.73
Step-by-step explanation:
Not sure if my answer is correct but I tried my best to solve it
Answer:
35
Step-by-step explanation:
put 3 1/2 as a decimal = 3.5, now move the dot one place to the right to times by ten = 35.
First you take $50 and divide it by 5 then you get $10. You take the $10 and multiply it by 4 because she uses 4/5 of 50
answer-$40