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KIM [24]
3 years ago
8

Z-score is a transformed raw score that is forced to fit a scale where the mean is 0 and the standard deviation is 1. z-scores a

nd the normal distribution (percentages association with each standard deviation of the normal distribution). what are the values that represent the 68%, 95% (approximate and exact), and 99% (approximate and exact) ranges?
Mathematics
1 answer:
Monica [59]3 years ago
4 0
 how u dont know this stuff shhhhh on yo ahh boi
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Predict what the graph of the following quadratic function will look like. (If you have a graphing calculator, you can use it to
Alex17521 [72]

Answer:

u-shaped; y-intercept (0,6); symmetrical with respect to the y-axis

Step-by-step explanation:

Given that y = 2x² + 6

The graph would be the shape of that of a parabola. It can be u shaped or n shaped depending on the value of the coefficient of a comparing with the standard equation y = ax² + bx + c. If a > 0, it is u shape and if a < 0, it is n shape.

For this question, since a > 0 it would be u shaped and the intercept can be gotten by putting x = 0.

Therefore y = 0² + 6 = 0

The intercept is at (0,6) and is symmetrical with respect to the y-axis

3 0
3 years ago
Sadie was using a metal spoon to eat her soup and her spoon became hot. Which correctly describes the process that caused the sp
IrinaK [193]

Answer:

The answer is D metal is a connductor that is why many of our hot appliances such as grills, ovens, and hot iron tools are metal

Step-by-step explanation:

brainlest plz

6 0
2 years ago
Read 2 more answers
McKenzie buys 250 shares of stock for $12 a share and pays a 2% commision. She sells the stock 3 years later for $18 a share and
Artemon [7]
250 shares for $ 12 per share......250 * 12 = 3000
plus the 2% commission......3000(1.02) = 3060...so the commission is $ 60

she then sells her stock (250 shares) for $ 18 a share....
250 * 18 = 4500
plus the 1% commission....4500(1.01) = 4545...so the commission is $ 45

net proceeds is the amount received by the seller after all costs and expenses are deducted...

expenses : 3000 + 60 + 45 = 3105
revenue : 4500

net proceeds = 4500 - 3105 = $ 1395 <==


5 0
2 years ago
Use number properties to simplify the following expression. -5 + (5 + 3)
bija089 [108]
Number Properties: PEMDAS

Parentheses, Exponents, Multiplication, Division, Addition, & Subtraction


- 5 + (5 + 3)

1. Parentheses
- 5 + (7) \\
There Are No Exponents, Multiplication, Division, Or Addition

2. Subtraction
2
7 0
2 years ago
Reasoning 1f 60% of the registered voters cast 202,800 votes in an election, how many registered voters
Nana76 [90]

Answer:

338,000

Step-by-step explanation:

202800 is to 338000 like 60% is to 100%

hope that helps lol (did it with my mouse so looks awful)

3 0
2 years ago
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