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cupoosta [38]
3 years ago
5

State the measurement scale for each. a. Cholesterol level b. Defect type c. Time of first class d. Opinion on a 5 point scale,

with 5 being strongly agree and 1 being strongly disagree
Mathematics
1 answer:
enyata [817]3 years ago
6 0

Answer: a. Ratio b. Nominal c. Interval  d. Ordinal

Step-by-step explanation:

1)Ratio:You can do all sort of arithmetic on the cholesterol level.

2)Nominal: These cannot be ordered or arithmetic cannot be applied

3)Interval: It is interval because it is a number and midnight means 0 so you cannot use it for division

4)Ordinal: You can arrange it in increasing or decreasing order.

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Explain how to find the zeros of the given polynomial: x3+3x2–x−3<br><br> What are the zeros?
AveGali [126]

Answer:

Step-by-step explanation:

The zero (root) of a function is any value of the variable that will produce an answer of zero. Graphically, the real zero of a function is where the graph of the function crosses the x-axis.

~~~~~~~~~

f(x) = x³ + 3x² - x - 3

f(-3) = ( - 3 )³ + 3( - 3 )² - ( - 3 ) - 3 = 0

f(-1) = ( - 1 )³ + 3( - 1 )² - ( - 1 ) - 3 = 0

f(1) = ( 1 )² + 3( 1 )² - ( 1 ) - 3 = 0

3 0
3 years ago
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Clayton started with $3 and spent it on a bag of candy with 40 pieces. He sells each piece of
QveST [7]

Answer:

$0

Step-by-step explanation:

The definition of profit is a financial gain , Clayton has made no profit (financial gain) if no candy was sold .

5 0
3 years ago
What is the line of a slope that has an equation of y=x-3?
Dovator [93]
The slope is the number in front of the x. In this equation it is 1.
4 0
3 years ago
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Luke bought a pair of jeans originally priced at $69.00. The jeans have been marked down 25%, and a sign posted on the rack wher
ElenaW [278]

Answer: C. 69(0.75)(.0.90)

Step-by-step explanation:

In order to find a discounted price you subtract the discount percentage as a decimal from 1 and multiply the outcome to the original price. For this case, 1-0.25=0.75 and 1-0.1=0.90. So your equation will be 69(0.75)(0.90)

8 0
3 years ago
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This is converting to polar form, I need help and the answer too.
Mila [183]

Answer:

2 cis (7/6 pi)

Step-by-step explanation:

r = sqrt( a^2 + b^2)

r = sqrt (-sqrt(3) )^2 + (-1)^2)

   = sqrt(3 +1)

    = sqrt(4)

    = 2

theta  = arctan (b/a)

theta = arctan (-1/-sqrt(3))

theta = 30

but this is in the third quardrant  -a and -b

so add 180

theta = 210 degrees

convert this to radians

210 * pi/180 = 210/180 * pi = 21/18 * pi = 7/6 * pi


r cis (theta)

2 cis (7/6 pi)

7 0
3 years ago
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