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Svet_ta [14]
3 years ago
12

Find the distance between the points (2,8) and (-1,9).

Mathematics
1 answer:
Dima020 [189]3 years ago
7 0

Answer:

need points sorry 38484343

Step-by-step explanation:

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A 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A prelimina
serious [3.7K]

Answer:

Sample size should be atleast 617

Step-by-step explanation:

given that a 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit.

i.e. margin of error <0.3

Std devition sample = 3.8

For 95% assuming sample size large we can use z critical value

Z critical = 1.96

we have

1.96 * std error 616.3634

Sample size should be atleast 617 to get an accurate margin of error 0.3

7 0
3 years ago
360 kilometers is 24% of x kilometers its for the 14 points
ch4aika [34]
360=24%0f x
360=24/100*x
360*100=24x
36000/24=x
therefore, x=1500......
4 0
3 years ago
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4x-y=1 inslope intercept form please show work
shutvik [7]

Answer:

y = 4x - 1

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange 4x - y = 1 into this form

add y to both sides

4x = y + 1 ( subtract 1 from both sides )

4x - 1 = y

y = 4x - 1 ← in slope-intercept form


5 0
3 years ago
A vendor sold a combined 234 sodas and hot dogs. The number of sodas was two times the number of hot dogs sold. Find the number
babymother [125]

Answer:

  • 156 hot dogs
  • 78 sodas

Step-by-step explanation:

A group of 2 hot dogs and 1 soda makes a group of 3 items. There were ...

  234/3 = 78

groups of items sold.

Since there is 1 soda in the group, that's 78 sodas. The number of hot dogs is 2 times that, or 156 hot dogs.

78 sodas and 156 hot dogs were sold.

6 0
3 years ago
What are some problems that equal 492009
saw5 [17]

Answer:

1 + 492008 = 492009

Step-by-step explanation:

OR

200009 + 292000 = 492009

5 0
3 years ago
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