Mathematics High School

How do I do this? Anyone help!

Answers

Answer 1

Given:

Number of sides = 7

Apothem = 8 meters

Side length = 7.7 meters

To find:

The area of the regular polygon.

Solution:

We know that,

Area of a regular polygon is

[tex]A=\dfrac{1}{2}pa[/tex] ...(i)

where, p is perimeter and a is apothem.

Perimeter of a regular polygon is the product of number of sides and side length.

[tex]p=7\times 7.7[/tex]

[tex]p=53.9[/tex]

Substituting p=53.9 and a=8 in (i), we get

[tex]A=\dfrac{1}{2}(53.9)(8)[/tex]

[tex]A=(53.9)(4)[/tex]

[tex]A=215.6[/tex]

Therefore, the area of the regular polygon is 215.6 m².

Related Questions

. |13 - 7| = |13| - |-7
True or false

Answers

Answer:

Step-by-step explanation:

You are dealing with absolute values, so both sides equal 6, so it's true

is it
45cm²

40cm²

36 cm²

32cm²

Answers

Answer:40

Step-by-step explanation:

Answer:

the answer is 40cm^2

Step-by-step explanation:

i multiply them

4.83 x 8.18 = 39.5094

the estimate is 40

In the diagram, line A is parallel to line B. Which angles are congruent to angle 1?
(20 Points)
Select All that apply
angle 2
angle 3
angle 4
angle
angle 6
angle 7
angle 8

Answers

Answer:

angle 8

Step-by-step explanation:

Follow Me Please

Susie wants to buy 5 slices of pizza and a liter of soda that costs $5 for her and her friends. How much money does Susie need?

Answers

if its $5 for 5 slices and $5 for one soda then she needs $10 but if it’s $5 for the 5 slices and soda then she needs $5 the question isnt very clear

I need help solving this ! I would appreciate it

Answers

Answer:

-1 > -2

Step-by-step explanation:

-9 ÷ (3(3) > -2

-9 ÷ 9= -1

-1 > -2

this is true

in a box there are three types of chocolates
there are 6 plain chocs
8 milk chocs
10 white chocs
ben takes at random a choc from the box
a) what is the probability that ben takes a plain choc ?

Answers

Answer:

25% , 6/24 , .25

Step-by-step explanation:

The total number of chocolates in the box are 24 and the number of plain chocolates is 6. 6/24 is .25 in decimal and 25% in percentage

What is the function??

Answers

The answer would be c.2

what is the probability of drawing a 9 or diamond from a standard deck of cards?

Answers

Explanation:

In a standard deck of cards, there are 52 cards. They are broken down into suits (4 of them: Spades, Hearts, Diamonds, Clubs) of 13 cards each. Each suit has 13 ordinal cards (A, 2 through 10, Jack, Queen, King).

Here we're asked to draw a card at random and find the probability of drawing either a diamond or a 9.

With probability, we look at the fraction of ways we can achieve some condition (the numerator) over the number of ways we can do something (the denominator).

Our denominator here is 52 - the number of cards from which we can pull 1.

Our numerator is both all the diamonds, 13 cards, and all the nines, 4 cards, but we need to subtract 1 to account for the double counting of the 9 of diamonds.

In all we get:

13+4 - 1/52 =

≈ 16/52

=4/13

Answer: 0.3077

Probabilities are used to determine how likely an event is, to happen. The probability of drawing a 9 or diamond is: 4/13

In a standard deck of cards, we have:

[tex]n = 52[/tex] --- There are 52 cards in total

[tex]n(9) = 4[/tex] ---- Cards with number 9 are 4

[tex]n(Diamond) =13[/tex] ---- there are 13 diamonds

[tex]n(9\ n\ Diamond) = 1[/tex] ---- Diamond cards with number 9

The probability of drawing a 9 or diamond is:

[tex]P(9\ or\ Diamond) = P(9) + P(Diamond) - P(9\ n\ Diamond)[/tex]

So, we have:

[tex]P(9\ or\ Diamond) = \frac{n(9)}{n} + \frac{P(Diamond)}{n} - \frac{n(9\ n\ Diamond)}{n}[/tex]

This gives:

[tex]P(9\ or\ Diamond) = \frac{4}{52} + \frac{13}{52} - \frac{1}{52}[/tex]

Take LCM

[tex]P(9\ or\ Diamond) = \frac{4+13-1}{52}[/tex]

[tex]P(9\ or\ Diamond) = \frac{16}{52}[/tex]

Simplify

[tex]P(9\ or\ Diamond) = \frac{4}{13}[/tex]

Hence, the probability of drawing a 9 or diamond is: 4/13

Answers

Put both values into a ratio

P:B
28:79

Answer:

79/28

Step-by-step explanation:

i have no clue-

,,,,,,,,,,,,,,,,,,,lllllllll..........

Answers

Answer: 7

Step-by-step explanation: The opposite of Multipication is division so divide 84 by 12

Answer:

k=7

Step-by-step explanation:

Call me weird but I love these types of questions.

Ok to solve this here's what you need to do.

Your solving for k right?

So make an equation.

Product is the result of multiplication so 12 and k would be 12k.

It needs to equal 84 so 12k=84

Now you need to get rid of 12.

You need to use the opposite operation as the number your trying to get rid of. In this case it would be division.

[you do not divide the x because you need it alone on one side]

So 12k divided by 12 = 84 divided by 12

12k/12 is k because a number divided by itself is 1.

84/12 is 7.

that leaves us with k=7

Thats it!

If you need further help don't be afraid to reach out and I hope this helped! <3

3. Jason earns $400 per week plus a 3% commission on his total sales. If he sold $675 in total sales, how much did he earn this week?

Answers

Answer:

$420.25

Step-by-step explanation:

Total earnings of the week

[tex] = 400 + 3 \% \: of \:675 \\ \\ = 400 + 0.03 \times 675 \\ \\ = 400 + 20.25 \\ \\ = \$ 420.25[/tex]

Which range contains the value of sqrt(14+7+23)
A. Between 6.6 and 6.8
B. Between 11.1 and 11.3
C. Between 21.9 and 22.1
D. Between 33.7 and 33.9

Answers

Answer:

the answer to this question is c

In the diagram below AC is parallel to rp:
How many units? please help!

Answers

The perimeter of the triangle ABC will be 54 units.

What is the triangle?

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

In the diagram, AC is parallel to RP.

Then the triangle ABC and RBP will be similar.

Then the ratio of the corresponding sides will be constant.

BP / 10 = 7 / 14

BP = 5

Then the perimeter of the triangle ABC will be

Perimeter = 7 + 14 + 18 + 10 + 5

Perimeter = 54 units

More about the triangle link is given below.

https://brainly.com/question/25813512

#SPJ1

If AB = 19, BC = 16, and m

Answers

mmmmmmmmmmmmmmmmmmmm

What basic construction is shown here?

1) Bisect a line segment
2) Construct a parallel line
3) Construct a perpendicular line
4) Construct a perpendicular bisector

Answers

pretty sure it is 2 but not 100% sure

is 5(2−3x) ÷ 6−x2/9 a...
a. coefficient
b.cube
c.factor
d.quotient

Answers

Answer:

D, a quotient.

Step-by-step explanation:

The sign ÷ indicates a quotient.

Answer:

Step-by-step explanation:

You are dividing the two numbers which gives you a quotient

6th grade math i mark as brainliest

Answers

Answer:

There are 5 terms

Step-by-step explanation:

each number is its own term

helllllllllllllpppppppppppp me plz *waves* hiiiiiiiiiiiii

Answers

Answer:

x=18 and y=72

Step-by-step explanation:

Answer:

d is right

Step-by-step explanation:

Find all real values of x that satisfy the equation x^2 - 7x = 98.

Answers

Answer: x=14,-7

Step-by-step explanation:

NEED HELP ASAP PLEASE!!!!!!!!

Answers

ANSWER

X = 70

Explanation: in an isosceles triangle the two bases equal each other

Equation set up - 2x + 2x + 40 = 180

Step-by-step explanation:

PQR = PRQ = 2x ° ( base angle of an isosceles are equal ) .

therefore

PQR + PRQ + QPR = 180° ( sum of angles in a triangle )

2x + 2x + 40 = 180

4x + 40 = 180

subtract 40 from both sides

4x = 140

divide through by 4

x = 35°

Alani is the head baker at Patty Cakes Bakery.
She uses 8.75 pounds of sugar each day making
cupcakes. How many pounds of sugar would she
use over 7 days?

1. After the cupcakes are decorated, Alani packages
them to be sold. Each cupcake costs $4.25. If a
customer ordered 9 cupcakes, how much would
it cost?

ANSWER BOTH QUESTIONS AND WHOEVER DOES IT FIST GETS BRAINIEST

Answers

Answer:

1).Sugar used in 7 days = 61.25 pounds

2). Total cost of 9 cupcakes = $38.25

Step-by-step explanation:

1). Alani uses 8.75 pounds of sugar each day.

So, sugar used in 7 days = Amount of sugar used in one day × Number of days

= 8.75 × 7

= 61.25 pounds

2). Since, each cupcake costs $4.25

Number of cakes ordered = 9

Total cost of 9 cupcakes = Cost of each cupcake × Number of cupcakes

= 4.25 × 9

= $38.25

Given g[x]=4-2[3-x] , what is the value of g[1]

Answers

Answer:

g(1)=0

Step-by-step explanation:

g(1)=4-2(3-1)

g(1)=4-2(2)

g(1)=4-4

g(1)=0

Consider the following system of equations

-2x+5y=19
Y=-5/6x-1/6

Use this graph of the system to approximate its solution

A. (13/4,-5/2)

B. (-5/2,13/4)

C. (-13/4,5/2)

D.) (5/2,-13/4)

Answers

Answer:

Step-by-step explanation:

We have the system of equations:

[tex]\displaystyle -2x+5y=19 \\\\ y=-\frac{5}{6}x-\frac{1}{6}[/tex]

And we want to use the graph to approximate the solution to the system.

Remember that, graphically, the solution to a system of equations is where the two graphs intersect.

We can see that the point at which the two lines intersect is in QII.

Hence, x is negative and y is positive.

The only choices that satisfies these conditions are B or C.

However, for B, -5/2 is -2.5. As we can see from the graph, the x-coordinate of the point of intersection is less than -3.

Hence, the only choice left is C. -13/4 also is -3.25, fulfilling our condition.

So, our final answer is C.

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

Answers

Answer:

$192

Step-by-step explanation:

That's all I

got

Which is a perfect square?

Answers

Answer:

I can't see anything

A perfect square is the product of a rational number multiplied by itself.

Examples: 20 square numbers are 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361 and 400.

Hope this helps

p-g=0
Which of these is equal to q?
A -p
B 0
C p
D 1/p

Answers

Answer:

C. p

Step-by-step explanation:

Given the expression p - q = 0

We are to find the value of q

Substract p from both sides;

p - q - p = 0 - p

-q = - p

Multiply both sides by -1

-(-q) = -(-p)

q = p

Hence the correct solution is q = p

Which number represents 50% of 74?
35
37
38
39

Answers

Answer: 37!!!

Step-by-step explanation:

1. 50% equals .5 in decimal form.

When converting a percentage to decimal, divide by 100 or move the decimal point to the left twice.

2. The word of means multiply so we multiply .5 by 74.

3. We get 37!

hope this helped, brainliest plsss :))))

I was the first one!

37! 7+7=14 and carry the one over so 3+3+1=7 so 50% of 74 is 37

A two-word phrase used to show division in a problem that starts with oc

Answers

Answer:

Out of

Step-by-step explanation:

A two-word phrase used to show division in a word problem.

Out of is a two-word phrase which is used to show division in a word problem.

Word problems in mathematics often use words such as divided by, per, average, split into, cut into, quotient of, ratio of to denote division (÷)

Who wants an old Nitrotype account
I have the buganni vyrus something like that

Answers

Answer:

I do

Step-by-step explanation:

What are the coordinates of A after ABC is reflected over the y axis

Answers

Answer:

(-8;7) ---> (8;7)

x changes sign. y stays with the same sign

............

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