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NeTakaya
3 years ago
11

30 Between what two standard deviations of a normal distribution contain 68% of the data?

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0

d

man i think its d or b maby

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Outback automatically applies an 18% gratuity on parties larger than 12 people. You went to dinner with a group of 20 people and
GuDViN [60]

Answer: $290.28

Step-by-step explanation:

To find tip, you need to multiply the cost ($246) by the desired tip amount in a decimal (0.18). 246*0.18<em>=</em>44.28

Once you have done that add that number to the cost. $246+$44.28=$290.28

If you don't know how to convert a percent to a decimal, you divide the percent by 100.

5 0
4 years ago
Below is the graph of a trigonometric function. It has a minimum point at (- 10.4, - 9.8) and a maximum point at (- 3.6, - 1.2)
Vladimir79 [104]

Answer:

13.6

Step-by-step explanation:

The period is double of the distance (on the x-axis) between the maximum and the minimum. In this case, the x-coordinate of the minimum is -10.4, the x-coordinate of the maximum is -3.6, the distance is -3.6 - (-10.4) = 6.8, and the period is 2*6.8 = 13.6

7 0
3 years ago
The senior class bought 9 yards of banner material for their float. if each of their banners takes 3/8 of a yard, how many banne
Shalnov [3]

Answer:

divided by 3/8 is ?

It's easier for me to use a decimal.

\frac{9}{.375} = 24 banners

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
6. What value of a makes this equation true?
arlik [135]
The answer I believe is c
8 0
3 years ago
Find the equation of a line that contains the points (−3,−1) and (−4,−7). Write the equation in slope-intercept form
BARSIC [14]

Answer:

y =6x+17

Step-by-step explanation:

First we need to find the slope

m = (y2-y1)/(x2-x1)

   = (-7- -1)/(-4 - -3)

   = (-7+1)/(-4+3)

   -6/-1

   6

The slope intercept form of the equation is

y = mx+b  where m is the slope and b is the y intercept

y = 6x+b

Substitute a point into the equation

-1 = 6(-3) +b

-1 = -18+b

Add 18 to each side

17 =b

The equation is

y =6x+17

8 0
3 years ago
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