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Pachacha [2.7K]
2 years ago
15

What does perimeter means​

Mathematics
1 answer:
seropon [69]2 years ago
5 0

the continuous line forming the boundary of a closed geometrical figure.

Step-by-step explanation:

A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications.

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What is the new location of the point (7,-8)<br> when it has been rotated 90 degrees?
grandymaker [24]

Answer: The answer is A

Step-by-step explanation:

4 0
2 years ago
What is the solution to the system of equations? Use any method. {y=−3x+1 {2x+5y=18
Softa [21]

Answer:

So the solution set of the equations are {(-1,4)}

or

the solution is x = -1 and y = 4

Step-by-step explanation:

Equations given to us are

y = -3x + 1                                ..................(i)

2x + 5y = 18                             .................(ii)

To find the value of x and y or the solution set of the system of equations

Now in first equation we see that

y = -3x + 1

Putting this value in equation (ii)

which is

2x + 5y = 18

Putting value of y from (i) in it

2x + 5(-3x + 1) = 18

Opening the bracket and multiplying inside

2x -15x + 5 = 18

-13 x + 5 = 18

Subtracting 5 from both sides of the equation

-13x + 5 - 5 = 18 -5

-13x = 13

Dividing both sides by -13

\frac{-13x}{-13}=\frac{13}{-13}

Cutting out the same values gives us

x = -1

For value of y

putting value of x in equation (i)

which is

y = -3x + 1

Putting the value

y = -3(-1)+1

y=3+1

y=4

So the solution set of the equations are {(-1,4)}

or

the solution is x = -1 and y = 4

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csf%7Bprove%20%5C%3A%20%20that%20%5C%3A%20%20if%20%5C%3A%20%20a%20%5C%3A%20%20number%20%5
lora16 [44]

<h3>let a number = a</h3><h3>it's cube will be a×a×a = a³</h3>

<h3>now atq 2a </h3><h3>it's cube will be </h3><h3>2a ×2a ×2a => 8a³ or (2a)³</h3>

<h2>Hope it helps you </h2>
6 0
2 years ago
Read 2 more answers
If a two-sided null hypothesis is rejected for a single mean at a given significance level, the corresponding one-sided null hyp
maria [59]

Answer:

my hypothesis is that the answer is on page 31 of Harry potter and the Prisoner of Azkaban, it'll be the 48th word. God speed old chum

Step-by-step explanation:

3 0
3 years ago
Mr.Robinson ordered 4 cheeseburgers for $2.95 each and 4 sodas for $1.59 each. If he paid with a $20 bill, how much change did h
Fynjy0 [20]
4 x 2.95 = 11.80$
4 x 1.59 = 6.36$
11.80 + 6.36 = 18.16 $
20 - 18.16 = 1.84

Mr. Robinson will get $1.84 in change
5 0
2 years ago
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