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maksim [4K]
2 years ago
13

What is the image point of (-6, -7) after the transformation R270° O ry-axis?

Mathematics
1 answer:
Travka [436]2 years ago
8 0

Some Key Vocabulary:Orthocenter of a Triangle:The point of intersection of the three altitudes of a triangle.Incenter of a Triangle:The point of intersection of the three angle bisectors of a triangle. It is also the center of the inscribed circle of a triangle.Circumcenter of a Triangle: The point of

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The Cougars football team took possession of the ball on the 23-yard line moving toward the 50-yard line. On the first play from
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3 0
3 years ago
AARP reported on a study conducted to learn how long it takes individuals to prepare their federal income tax return (AARP Bulle
Crank

Answer:

Confidence interval: (30.1,36.9)

Step-by-step explanation:

We are given the following data set:

35.3,30.5,37.4,26.5,13.0,49.9,28.8,44.0,61.6,0.5,40.5,34.9,47.9,36.6,24.1,39.8,47.8,18.5,36.6,39.2,14.5,37.3,40.5,49.3,45.5,28.3,19.5,5.6,52.6,41.4,45.3,39.0,33.7,29.4,14.5,40.1,33.7,36.9,5.6,33.7

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

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

Mean =\displaystyle\frac{1339.9}{40} = 33.5

S.D = 11(given)

n = 40

Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

33.5 \pm 1.96(\frac{11}{\sqrt{40}} ) = 6.34 \pm 3.4 = (30.1,36.9)

6 0
3 years ago
I need help with this question please
irinina [24]
The answer is 0
Let me tell you why
first plug in the numbers
.5(18+14)-(18-14)^2
(9+7)-(4)^2
16-16
0
4 0
3 years ago
Read 2 more answers
1. In an AP, the ratio of the 2nd term to the 7th term is 1/3. If the 5th term is
grandymaker [24]

Answer:

T15 = 31

Step-by-step explanation:

Its in the picture

I hope it helps :)

6 0
3 years ago
Name the set(s) of numbers to which 1.68 belongs
daser333 [38]

I think it's a rational number.

7 0
3 years ago
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