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Arisa [49]
3 years ago
6

A normal distribution is bell-shaped and symmetric about its mean.

Mathematics
2 answers:
vova2212 [387]3 years ago
7 0

Answer: true

Step-by-step explanation:

took the test on edge

aivan3 [116]3 years ago
3 0

Answer:

True

Step-by-step explanation:

A normal distribution shows a dense center , which would be the mean. Given a population or sample, the bulk of the data would be found near the mean and and spreads out thinner towards the ends when the data is said to be normally distributed. When graphed you will see that the data form a bell-shaped curve.

Attached below is an example of how it would look:

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PLEASE HELP ASAP!!!!! 8TH GRADE MATH IDKKK!!! 3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
alexdok [17]
Remove all the brackets
3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
21 + 6x + 3 = 15 + 3x - 9x - 9 Collect like terms.
24 + 6x = 6 - 6x Add 6x to both sides.
24 + 6x + 6x = 6 Subtract 24 from both sides
12x = 6 - 24
12x = - 18 Divide by 12
x = - 18 /12
x = - 1.5
Check
3(7 + 2*(-1.5)) + 3 = ? 3(5 + -(1.5) - 9(-1.5 + 1)
3(7 - 3) + 3 =? 3(3.5) - 9*(-1/2)
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6 0
4 years ago
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harkovskaia [24]

Answer:

-4.8

Step-by-step explanation:

an integer is a whole number that is not a fraction or decimal.

3 0
3 years ago
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erastovalidia [21]

Answer:

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7 0
3 years ago
Which expression is equivalent to 3 to the fourth power times 3 to the 9th power
Viefleur [7K]
3 to fourth power=3^4
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Now,
3 to fourth power times to the ninth power=3^4*3^9
the basis same so the powers will add:
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6 0
4 years ago
Please help, I need this by 10 30 AM
Ainat [17]

Answer:

50 laps

Step-by-step explanation:

20+1.25x+15+2.5x+40+1.5x+25+1.75x=450

7x+100=450

7x+200-200=450-100

7x=350

7x/7=350/7

x=50

5 0
3 years ago
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