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Goryan [66]
3 years ago
8

If two figures have the same perimeter, they are congruent. True or false?

Mathematics
2 answers:
vaieri [72.5K]3 years ago
7 0
False.

Two figures may be different shape and have the same perimeter (a square and a circle, for example). If they are different shape, they will not be congruent.
AveGali [126]3 years ago
5 0
False, a trapezoid and a square can have the same perimeter but not be confruent<span />
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I need help with 5-9
Goryan [66]

Answer:

5) x = 1, y = -3

6) x = -20, y = 2

7) infinite solutions

8) no solutions

Step-by-step explanation:

5)

y = 5x - 8

y = -6x + 3

5x - 8 = -6x + 3

11x = 11

x = 1

y = 5 - 8

y = -3

6)

2x + 10y = -20

-x + 4y = 28

2x = -20 - 10y

x = - 10 - 5y

-x = 28 - 4y

x = -28 + 4y

-10 - 5y  = -28 + 4y

-10 + 28 = 4y + 5y

18 = 9y

2 = y

2x + 20 = -20

2x = -40

x = -20

7)

this has infinite solutions because one equation is a simplified version of the other

8)

this has no solutions because 5 does not equal -5

9)

I can't graph on brainly, hope this helped though

3 0
2 years ago
A green number cube and a red number cube are rolled. An outcome is the pair of numbers rolled on the two different cubes. Which
Ber [7]

Answer:

None of the above

Step-by-step explanation:

The common ratio 10 means we are starting with 4.5 and multiplying that by 10 each time:

4.5*10=45

45*10=450

450*10=4500

As you can see, this does not match any of the answers

Read more on Brainly.com - brainly.com/question/14993026#readmore

4 0
3 years ago
Uh yeah I need help can someone please explain to me please and thank you :)
Rzqust [24]

Answer:

53/36

Step-by-step explanation:

56/36 is already in it's simplest form

6 0
2 years ago
Read 2 more answers
When the outliers are removed, how does the mean change? dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 o
Arturiano [62]
Answer: The mean increases by 3

-----------------------------------------------------------
-----------------------------------------------------------

The original data set is 
{50, 76, 78, 79, 79, 80, 81, 82, 82, 83}

The outlier is 50 because it is not near the group of values from 76 to 83 which is where the main cluster is.

The original mean is M = (50+76+78+79+79+80+81+82+82+83)/10 = 77

If we take out the outlier 50, the new mean is N = (76+78+79+79+80+81+82+82+83)/9 = 80

So in summary so far
old mean = M = 77
new mean = N = 80

The difference in values is N-M = 80-77 = 3

So that's why the mean increases by 3

5 0
3 years ago
Read 2 more answers
What is the value of tan A?
Fiesta28 [93]
Check the picture below.

4 0
3 years ago
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