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vlada-n [284]
3 years ago
6

Layla is using her compass and straightedge to complete a construction of a polygon inscribed in a circle. Which polygon is she

in the process of constructing?

Mathematics
2 answers:
Kaylis [27]3 years ago
7 0
Layla is creating a polygon with 4 equal sides in a circle.
This will be a regular polygon with 4 equal sides and 4 equal angles,

Layla is creating a square inside a circle.
inessss [21]3 years ago
6 0

Answer:

The polygon she is trying to construct is square.

Step-by-step explanation:

<em>Construct: a square inscribed in a circle.</em>

STEPS:

1. Using your compass, draw a circle and label the center O.

2. Using your straightedge, draw a diameter of the circle, labeling the endpoints A and C.

3. Construct the perpendicular bisector of the diameter, AC

4. Label the points where the bisector intersects the circle as B and D.

5. Connect points A to B to C to D to form the square.


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Nicole deposits $2,136 in a savings account paying 5.36% interest. To the nearest dollar, how much money does Nicole have in tot
jeka57 [31]

we know that


The simple interest formula is equal to


A=P(1+rt)


where


A is the Final Investment Value


P is the Principal amount of money to be invested


r is the rate of interest  

t is Number of Time Periods


in this problem we have


t=9\ years\\ P=\$2,136\\ A=?\\r=0.0536


substitute in the formula above


A=2,136(1+0.0536*9)


A=2,136(1.4824)

A=\$3,166.41  

Round to the nearest dollar

A=\$3,166  

therefore

<u>the answer is the option D</u>

\$3,166  

5 0
3 years ago
Read 2 more answers
Examine the rotation. Which best describes point D?
Nadusha1986 [10]
We can’t see the rotation
6 0
3 years ago
Read 2 more answers
The management of a department store is interested in estimating the difference between the mean credit purchases of customers u
Mkey [24]

Answer:

Step-by-step explanation:

1) Point estimate is the difference between the sample means. Therefore,

A point estimate for the difference between the mean purchases of the users of the two credit cards is = 140 - 125 = $15

2) Margin of error = z√(σ²/n1 + σ2²/n2)

Where

z is the z score from the 95% confidence level. From the normal distribution table, z = 1.96

s1 and s2 are standard deviation for both customers respectively.

Standard deviation = √variance

σ1 = √100 = 10

σ2 = √641 = 25.32

Margin of error = 1.96√(10²/64 + 25.32²/49 = 7.5

At 95% confidence, the margin of error is 7.5

3) The confidence interval for the difference of two population means is expressed as point estimate ± margin of error

Confidence interval = 15 ± 7.5

The upper boundary for the confidence interval is

15 - 7.5 = 7.5

The lower boundary for the confidence interval is

15 + 7.5 = 22.5

A 95% confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is $7.5 to $22.5

4) Since the population standard deviations are known, we would use the formula to determine the test statistic(z score)

z = (x1 - x2)/(√σ1²/n2 + σ2²/n2)

z = (140 - 125)/√10²/64 + 25.32²/49

z = 1.02

The test statistic for an alpha of .05 is 1.02

4 0
2 years ago
50 POINTSSSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!
WARRIOR [948]

Answer:

where is the 50 points mate

Step-by-step explanation:

4 0
3 years ago
I need help pleaseee​
katen-ka-za [31]

Answer:

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Step-by-step explanation:

8 0
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