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RSB [31]
3 years ago
15

PLZ HELP IM BEING TIMED

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0

Answer:

A

Step-by-step explanation:

djverab [1.8K]3 years ago
3 0
Ian doing domain right NOW lol I guess bc I don’t know
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A postcard has an area of 10 square inches. Two enlargements of the postcard have areas of 40 square inches and 160 square inche
insens350 [35]

Answer:

62

Step-by-step explanation:

3 0
3 years ago
1 point<br> What is the center and radius of a circle with equation (x-4)2 + (y - 2)2 = 4
abruzzese [7]

Step-by-step explanation:

Find the Center and Radius (x-4)^2+y^2=4

(

x

−

4

)

2

+

y

2

=

4

This is the form of a circle. Use this form to determine the center and radius of the circle.

(

x

−

h

)

2

+

(

y

−

k

)

2

=

r

2

Match the values in this circle to those of the standard form. The variable

r

represents the radius of the circle,

h

represents the x-offset from the origin, and

k

represents the y-offset from origin.

r

=

2

h

=

4

k

=

0

The center of the circle is found at

(

h

,

k

)

.

Center:

(

4

3 0
2 years ago
I JUST NEED AN ANSWER PLEASE
irga5000 [103]

Answer: 1/3

Step-by-step explanation:

lol hope i helped:)

3 0
2 years ago
If two samples A and B had the same mean and standard deviation, but sample A had a larger sample size, which sample would have
Advocard [28]
<h3>Answer: Sample B as it has the smaller sample (choice #4)</h3>

===========================================================

Explanation:

Recall that the margin of error (MOE) is defined as

MOE = z*s/sqrt(n)

The sample size n is located in the denominator, meaning that as n gets bigger, the MOE gets smaller. The same happens in reverse: as n gets smaller, the MOE gets bigger.

Put another way, a small sample size means we have more error because small samples mean they are less representative of the population at large. The bigger a sample is, the better estimate we will have of the parameter.

We are told that "sample A had a larger sample size" indicating that sample A has a more narrow confidence interval.

Therefore, sample B would have a wider confidence interval.

This is true regardless of what the confidence level is set at.

7 0
3 years ago
How to write 6/8 as a decimal ?
Korvikt [17]

all have to do is divide the fraction to make it into a decimal ,

6/8= 0.75

6 0
2 years ago
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