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mylen [45]
3 years ago
15

A circular rug has a diameter of 10 feet. A liquid stain protectant cost $1.75/sq ft. How much will it cost to put the stain pro

tectant on the entire rug?
Mathematics
1 answer:
Veronika [31]3 years ago
6 0

Answer:

$137.45

Step-by-step explanation:

First, we need to find the area of the circular rug in square feet.

Then we will multiply that with 1.75 to get total cost.

First,

Area of Circle = \pi r^2

Where r is the radius (which is half of diameter)

Given, diameter = 10 feet

Radius = 10/2 = 5 feet

Now, the area (A) :

A=\pi r ^2\\A = \pi (5)^2\\A = 25\pi\\A= 78.54

So, total cost would be:

78.54 * 1.75/sq ft = $137.45

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Answer:

james hand is bigger, 7 is higher then 6.

Step-by-step explanation:

7 0
3 years ago
The sum of three numbers is 120 the first number is five less than the second the third number is three times the second what ar
VladimirAG [237]

Answer:

1st number: 20

2nd number: 25

3rd number: 75

Step-by-step explanation:

x + y + z = 120

x = y - 5

z = 3y

plug that in!

(y-5) + y + (3y) = 120

remove the parenthesis (I used them to show you what I was replacing), and add like terms.

5y - 5 = 120

move -5 to the other side

5y = 120 + 5

5y = 125

divide both sides by 5

y = 25

now that you have one number, use the equations from before to solve for the rest!

x = (25) - 5

z = 3(25)

_____________________________________________________

x = 20

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4 0
3 years ago
Please help thanks :)
kykrilka [37]
Question 1:

Multiply both sides of the proportion by 35.

You get.

7(x-1) = 4x+2

7x-7 = 4x+2

Now, add both sides by 7 and subtract both sides by 4x

3x = 9

Divide both sides by 3

x=3

Question 2:

Multiply both the numerator and the denominator of \frac{x+1}{x+3} by 3.

We want to multiply it by 3 so that the +1 and +3 become +3 and +9. +3 and +9 have a difference of 6, just like 15 and 21, which is what we want.

\frac{3x+3}{3x+9} = \frac{15}{21}

Set the numerator equal to the numerator and the denominator equal to the denominator.

3x+3 = 15

3x+9 = 21

If you solve both of these, you get x=4 for both.

That's your answer.

Hope this helps! :)
8 0
3 years ago
What are common prime factor of 77 and 242?​
Lunna [17]

Answer:

2 times 11 times 3511

Step-by-step explanation:

i kinda dont know what your asking but i tried

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2 years ago
Pls answerfor 10 points
Gnesinka [82]

Answer:your welcome

Step-by-step explanation:

Mhhh

4 0
3 years ago
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