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4 years ago

Rewrite decimal as a fraction 7\9

2 answers:

7 0

Hi there!

7/9 is equal to 0.77777 (repeating over and over again)
This fraction cannot be simplified any lower than what it is.
But yes, the decimal number of this is 0.77778 (rounded off this answer would be 0.7778.)

Hope this helps!

ad-work [718]4 years ago

5 0

7/9 is .77 repeating

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The data shown represent the number of runs made each year during Bill Mazeroski’s career. Check for normality.

const2013 [10]

Answer:

The given data is not normal.

Step-by-step explanation:

We are given the following data:

30, 59, 69, 50, 58, 71, 55, 43, 3, 66, 52, 56, 62, 36, 13, 29, 17, 31

Condition for normality:

Mean = Mode = Median

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{800}{18} = 44.44$

Mode is the most frequent observation of the data.

Since all the value appeared once, there is no mode.

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

Sorted data: 3, 13, 17, 29, 30, 31, 36, 43, 50, 52, 55, 56, 58, 59, 62, 66, 69, 71

Median =

$=\dfrac{9^{th}+10^{th}}{2} = \dfrac{50+52}{2}=51$

Since the mean, mode and median of data are not equal, the data is not normal.

7 0

3 years ago

PLEASE HELP MEEEEEEE!!!!!

umka2103 [35]

Answer:

C 7ft/yr

Step-by-step explanation:

The given points are not all on the same line, so the average will vary depending on the interval of interest.

Over the interval [1, 11] years, the average rate of change of height is ...

change in height / change in years = (80 -10)/(11 -1) = 70/10 = 7 . . . ft/yr

On the interval [11, 15] years, the average rate of change is ...

(105 -80)/(15 -11) = 25/4 = 6.25 . . . ft/yr

Even on this interval, the closest answer choice is C.

8 0

3 years ago

A boat goes downstream from one place to another in 9 hours. It covers the same distance upstream in 11 hours. If the speed of t

Evgen [1.6K]

Answer:

198 km

Step-by-step explanation:

The speed of the boat supposed to be x km/h

(x+2)*9 = (x-2)*11

9x + 18 = 11x – 22

2x = 40

X = 20

Distance between 2 places: (20 + 2) * 9 = 198 km

Or (20 – 2 ) * 11 = 198 km

6 0

3 years ago

Find one value of x that is a solution to the

maksim [4K]

Answer: x = {+-sqrt(3), +-2*sqrt(3)}.

Step-by-step explanation:

(x^2 - 8)^2 + (x^2 - 8) = 20

▪︎ Let (x^2 - 8) be y.

Then,

y^2 + y = 20

y^2 + y - 20 = 0

D = b^2 - 4ac = 1 + 20*4 = 81 = 9^2

y1 = (-b - sqrt(D))/(2a) = (-1 - 9)/2 = -10/2 = -5

y2 = (-b + sqrt(D))/(2a) = (-1 + 9)/2 = 8/2 = 4

1) x^2 - 8 = -5

x^2 = 8 - 5

x^2 = 3

x = +-sqrt(3)

2) x^2 - 8 = 4

x^2 = 8 + 4

x^2 = 12

x = +-sqrt(12)

x = +-2*sqrt(3)

7 0

2 years ago

Please answer thank you

vladimir2022 [97]

Answer:(3,1.5)

Step-by-step explanation:

When you do rise over run you need to go to either the left or right in this case it’s the right and after you need to go up or down in this case down so to get to where the points meet you need to go 3 units to the right and 1.5 units up which will get you (3,1.5)

3 0

4 years ago

Read 2 more answers