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3 years ago

Find the area of a regular polygon with 100 sides with a perimeter of 100 units

Mathematics

1 answer:

Gnom [1K]3 years ago

4 0

The area of any regular polygon with n sides of length s is

s = 100/100 = 1

Area =~ 795.55 sq units

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A dog walker charges a flat rate of $6 per walk plus an hourly rate of $30. How much does the dog walker charge for a 45 minute

zvonat [6]

Step 1

Find the equation in function notation

Let

h-------> the number of hours

y-------> the function for the walker fee in dollars

we know that

the hourly rate is $30\frac{\$}{hour}$

$y=6+30h$

in this linear equation

the independent variable is the variable h

the dependent variable is the variable y

Convert to function notation

Let

$f(h)=y$

$f(h)=6+30h$

Step 2

Find how much does the dog walker charge for a 45 minute walk

Convert the time in hours

$1\ hour=60\ minutes$

$45\ minutes=45/60=0.75\ hours$

substitute in the equation

For $h=0.75\ hours$

$f(0.75)=6+30*(0.75)=\$28.5$

therefore

the answer is

the dog walker charge for a 45 minute walk $\$28.5$

Statements

Step 3

The dependent variable is the number of hours true or false

The statement is false,

because the independent variable is the number of hours and the dependent variable is the walker fee in dollars

Step 4

The function for the walker fee is f(h)= 30h+6 true or false

The statement is True --------> see the Step 1

Step 5

The dog walker charges $22.5 for a 45 min walk true or false

The statement is False

Because the dog walker charges for a 45 minute walk $\$28.5$

5 0

3 years ago

Solve. 3t < –15 (1 point) t < –5 t > –5 t < –45 t > –45

Kipish [7]

I hope this helps you

3t÷3 < -15÷3

t < -5

8 0

3 years ago

Find the slope of the line passing through each of the following pairs of points: A(−7, a) and B(c, d)

Mrrafil [7]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points A(-7, a) and B(c, d).

Substitute:

$m=\dfrac{d-a}{c-(-7)}=\dfrac{d-a}{c+7}$

Exception: c ≠ -7.

3 0

3 years ago

Please help !!!!!!!!!!!

mezya [45]

Answer:

98°+62°+6x = 180

160+6x = 180

6x = 180 - 160

6x = 20

x= 20/6

x= 3.33

therefor your answer is 3.33

7 0

3 years ago

Solve: −8x−7/ 3 =11

VladimirAG [237]

Answer: $x=-\frac{5}{3}$

Step-by-step explanation:

Given the equation $-8x-\frac{7}{3}=11$ , you need find the value of the variable x.

Then, you have to solve for x:

Add $\frac{7}{3}$ to both sides of the equation.

Divide by -8 to both sides of the equation.

Once you do this proccedure, you will get the value of the variable x.

Then:

$-8x-\frac{7}{3}+\frac{7}{3}=11+\frac{7}{3}$

$-8x=\frac{40}{3}\\\\\frac{-8x}{-8}=\frac{\frac{40}{3}}{-8}\\\\x=-\frac{5}{3}$

8 0

3 years ago