MATHEMATICS HIGH SCHOOL

A stop sign is in the shape of a regular octagon with a side length of 8 inches and an apothem of 9.5 inches. What is the area pf the stop sign choices

608 in^2
456 in^2
304 in^2
228 in^2

Answers

Answer 1
Answer:

Answer:

304 in^2

Step-by-step explanation:

to find the area of the octagon (basically a regular polygon) you need to use this formula.

area of octagon = perimeter × apothem/2

a = 64 × 9.5/2

a = 608/2

a = 304

all u have to do now is add ur units and boom, ur answer is 304 in^2!
Answer 2
Answer:

Answer:

ldk

Step-by-step explanation:

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Ms. White has 15 students in her first grade class. Troy is the line leader for the week, and Mackenzie is last because she was the line leader last week. In how many different ways can Ms. Whites class line up for lunch?A.) 13!
B.) 15!
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Answers

The first place and 15th place are already decided, so we have to find the number of different ways that the other 13 students can line up, in the places from 2 to 14.

2nd place can be any one of 13 people.  For each of those . . .

3rd place can be any one of 12 people.  For each of those . . .

4th place can be any one of 11 people.  For each of those

13th place can be any one of 2 people.  For each of those 

14th place has to be the one student who is left.

Total number of ways that 13 students can line up in places 2 through 14 is

(13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

That number is called "thirteen factorial".  The number is 6,227,020,800 . 

When you write it in math, you write it like this:13

Answer:

13!

Step-by-step explanation:

The slope of a direct variation function is -4. What is the equation of the function? y = 4 x
y = - 1/4 x
y = -4 x
y = x - 4

Answers

Answer:

y = -4 x

Step-by-step explanation:
the answer is y = x - 4

Can someone help? This is sooooo hard!!

Answers

Answer:

(-7, -6)

Step-by-step explanation:

Use the definition of midpoint:

M=((x_(1)+x_(2) )/(2),(y_(1)+y_(2) )/(2) )

And replace the known values in:

(-1, -2)=((5+x_(2) )/(2), (2+y_(2) )/(2) )\n(-7, -6)=(x_(2) , y_2)

Short and neat :)

In PQRS, PR and QS intersect at T. What additional information is needed to conclude that PQRS is a rectangle

Answers

If it's congruent and similar

Simplify the following expression.
7x- 8+2x5x11

Answers

Answer:110x^2+7x-8

Step-by-step explanation:

7x- 8+2x5x11

7x-8+110x^2

reoder the terms

110x^2+7x-8

To attend the concert, it costs $25 for parking plus $45 per ticket. If Nick paid $250, how many tickets did he purchase?

Answers

Answer:

5

Step-by-step explanation:

250-25=225

so then that means...

225 divided by 45=5

5
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