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2 years ago

10

if you are looking to determine the range of the following set of numbers which number would you take as the smallest number 2,6

,-1,14,-5,18,3

2 answers:

skelet666 [1.2K]2 years ago

7 0

-5 is the answer because -5 is the lowest number on the number

morpeh [17]2 years ago

3 0

-5 is the smallest. I will put them in order for you (smallest to greatest) -5, -1, 2, 3, 6, 14, 18

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Suppose that the middle 68% of speeding ticket fines on a highway fall between 93.18 and 118. Give an approximate estimate of th

Anton [14]

Answer:

The approximate estimate of the standard deviation of the speeding ticket fines is of 12.41.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Middle 68% of speeding ticket fines on a highway fall between 93.18 and 118.

This means that 93.18 is one standard deviation below the mean and 118 is one standard deviation above the mean. That is, the difference between 118 and 93.18 is worth two standard deviations. So

$2s = 118 - 93.18$

$s = \frac{(118 - 93.18)}{2}$

$s = 12.41$

The approximate estimate of the standard deviation of the speeding ticket fines is of 12.41.

7 0

2 years ago

In the standard (x,y) coordinate plane, what is the area of the circle x^2 + y^2 =169?

schepotkina [342]

Answer:

169π

Step-by-step explanation:

circle eq: (x-a)²+(y-b)²=r², where (a,b) is center and r is radius

r²=169

r = ±13

since a radius length must be positive, r = +13, not -13

A of circle: πr²

r = 13

169π

given that the circle eq has r², you could've noticed that you can take the constant in the circle eq and multiply that by π to get the same answer

6 0

2 years ago

1. Ana was washing dishes at the end of her shift at a restaurant. She washed 30 plates from 7:30 to 7:35. When she finishes was

frutty [35]

She washed 30 plates from 7:30 to 7:35.....so she washed 30 plates in 5 minutes.....30/5 = 6 plates per minute

so if she started washing plates at 7:15 and ended at 7:38...how many plates did she wash....
from 7:15 to 7:38 is 23 minutes...and if she can wash 6 plates per minute, then in 23 minutes, she can wash (23 * 6) = 138 plates <==

the equation...
y = -6x + b...with b being the number of plates she started with and x being the number of minutes and y being the plates she has left to wash...I am not 100% sure on this equation...I am so sorry

4 0

2 years ago

-3r-8(8r+8)=-9(-4+9r)

natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is a(b+c) = ab + ac

Now, the steps of solving are shown below:

$-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14$

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0

2 years ago

WORTH 50 POINTS NEED HELP FAST

lutik1710 [3]

First a reflection in the y-axis

Then a translation of 3 units upwards.

7 0

2 years ago