Instructions:Select the correct answer from each drop-down menu. ABCDEFGH is a regular octagon. The minimum degree of rotation by which this octagon can map onto itself is °. It will take increments of that degree of clockwise rotation for A′ (the image of A) to coincide with C. NextReset

Answers

Answer 1

Answer:

Answer:

Remember that regular octagon is a figure with eight sides, where all of them are equal. The image attached shows a regular octagon.

So, if we want to map the octagon on to itself using rotation, we need to rotate 90° clockwise, or make to moves of 45° each, that way the octagon would be as the original one because it has equal sides.

When you rotate the first 45°, you would have like an inclined octagon, so you need to rotate another 45° to get the same octagon as the original.

So, the minimum degree would be 45°, doing it twice.

Answer 2

Answer: It would be 45 degrees. Since a an octagon takes 8 turns to go around and there is a total of 360 degrees, you can divide 360 by 8 to get your answer of 45 degrees. For answering questions like this you need to take 360 and divide it be the amount of sides to get the minimum amount of degrees of rotation.

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On a standardized science test, the seniors at Fillmore High School have a mean score of 430 with a standard deviation of 90.For random samples of 100 seniors, what interval centered on the mean of the sampling distribution captures 68% of the mean scores? If necessary, round to the nearest tenth. Enter the interval from least to greatest.

For random samples of 100 seniors, 68% of the sample means fall between ____ and ___

Answers

Answer:

For random samples of 100 seniors, 68% of the sample means fall between 340 and 520

Step-by-step explanation:

As a property of normal distribution, 68% of sample means fall between mean - sigma(430 - 90 = 340) and mean + sigma (430 + 90 = 520) (here, sigma is standard deviation).

Hope this helps!

Which property could be used to find the missing number?(–8 + 3.1) • (4.2 + 7) = (4.2 + 7) • (–8 + )

A.
commutative property

B.
associative property

C.
distributive property

Answers

It's A. Commutative property.

If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)?

Answers

The polynomial given is in fourth degree with four roots. If one of the given roots is an imaginary number, in this case 6i, the missing root is its conjugate. Thus, the last unknown root of the polynomial is -6i.

Answer:

Its b on edge

Step-by-step explanation:

just took te test

6.A farmer who only sells produce to local residents in his town wishes to expand to a neighboring city. The farmer calls everyone in the phonebook with a last name starting with "S" in the neighboring city and asks them if they would be interested in buying the produce. 242 told the farmer that they would be interested, 576 said they would not be interested and 138 refused to answer. Which statement is true?

The survey sample includes current customers.

The population of the survey includes everyone the farmer called.

The population of the survey is all residents of the neighboring city whose phone number is listed.

The survey sample includes residents of the neighboring city whose phone number is listed.

Answers

Answer: The population of the survey includes everyone the farmer called.

Step-by-step explanation:

a football is selling for 35% off the original price. the original price was $60. what is the sale price of the football.

Answers

The percentage is calculated by dividing the required value by the totalvalue and multiplying by 100.

Example:

Requiredpercentage value = a

totalvalue = b

Percentage = a/b x 100

100% = $60

35% = $21

The saleprice of the football is $21

What is a percentage?

The percentage is calculated by dividing the required value by the totalvalue and multiplying by 100.

Requiredpercentage value = a

totalvalue = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Originalprice = $60

Sellingprice.

= 35% of $60

= 35/100 x 60

= 7 x 3

= $21

We can also find this way.

100% = $60

35% = 35/100 x $60

35% = $21

Thus,

100% = $60

35% = $21

The saleprice of the football is $21

Learn more about percentages here:

brainly.com/question/11403063

#SPJ5

35% is the same as 0.35
The word "of" in math basically means multiply.
So if 0.35 of 60 is how much is off the original price, then you multiply 0.35 by 60.
=21. So 21 is how much you save. Take 60 and subtract 21 is the answer.
ANSWER: 39
Hope this helped!!

What number can multiply to 8 but add up to 12

Answers

I don't think the numbers exist. 6 and 2 don't work because 6 * 2 does not equal 8. If you were solving a quadratic equation by factoring and you needed to find the two numbers, and you can't find them, you can solve the quadratic equation by using the quadratic formula.

Its 2 and 6
2*6=12
2+6=8

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