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Triss [41]
3 years ago
8

the perimeter of a square is 4 times as great as the length of any of its side determine if the perimeter of a square is proport

ional to its side length explained
Mathematics
1 answer:
KengaRu [80]3 years ago
5 0

For any square, the length of one side is s.

A square has four sides of equal length.

The perimeter of the square is the sum of the lengths of the four sides.

P = s + s + s + s = 4s

Now we compare the perimeter with one side.

The ratio of the perimeter to one side is 4s/s = 4/1 = 4:1

The perimeter of every square is proportional to the length of one side of the square, and the ratio of the perimeter to one side is 4 to 1.

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Rosita can wax her car in 2 hours or 120 minutes. When she works together with Helga, they can wax the car in 45 minutes. How lo
Mashcka [7]
<h2>Time taken by Helga to wax the car is 72 minutes</h2>

Step-by-step explanation:

Let w be the work of waxing.

Rosita can wax her car in 2 hours or 120 minutes.

Time taken by Rosita = 120 minutes

\texttt{Rate of Rosita = }\frac{W}{120}

Let time taken by Helga be t,

\texttt{Rate of Helga = }\frac{W}{t}

When she works together with Helga, they can wax the car in 45 minutes.

We have

             \frac{W}{\frac{W}{120}+\frac{W}{t}}=45\\\\120t=45(120+t)\\\\120t=5400+45t\\\\t=72minutes

Time taken by Helga to wax the car is 72 minutes

6 0
3 years ago
What is the equation of the following line? Be sure to scroll down first to see
Marianna [84]
Y=2/7x is the correct answer
6 0
3 years ago
NEED HELP ASAP WILL GIVE BRAINLIEST
saveliy_v [14]

Answer: x=-2 and y=-2

Step-by-step-explaination:

To solve the system of equations you have to cancel out a variable. I chose to cancel out Y. First, the coefficients of y need to be the same in both equations. To do this multiply to the top equation by 2 so you get

2(2x) +2(y) = 2(-6)

4x + 2y = -12

Next, subtract the second equation from the first to cancel out the y’s

4x + 2y =-12

-(-8x + 2y = -12)

————————

12x = -24

Solve

X = -24/12

X=-2

Plug x into the original equation to find y

2(-2) + y = -6

-4 + y = -6

Y = -6 +4

Y=-2

You can substitute x and y into the original equations to double check

3 0
3 years ago
Determine the slope of the line that contains the given points. <br><br> <img src="https://tex.z-dn.net/?f=G%28-4%2C3%29%2C%20H%
stealth61 [152]
I believe the slope is Undefined.
6 0
3 years ago
X+2y=2 I don't get how to get y by itself
Ksivusya [100]
You have to divide so it would be

X+2/2 = y do you see what I did so then it would be
X+y = xy =2=2xy so you have to first divide then combine like terms
6 0
3 years ago
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