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Talja [164]
3 years ago
11

The vertices of a quadrilateral in the coordinate plans are known. How can the perimeter of the figure be found?

Mathematics
1 answer:
Serggg [28]3 years ago
3 0

Answer:

The perimeter can be found by calculating lengths of sides using distance formula and then adding up the lengths

Step-by-step explanation:

If the vertices of a quadrilateral are known in the coordinate plane, the vertices can be used to determine the lengths of sides of quadrilateral. The distance formula is used for calculating the distance between two vertices which is the length of the side

d=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}}

after calculating all the lengths of four sides using their vertices, they can be summed up to find the perimeter ..

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javier rode his bike for a total of 41 minutes. before lunch he rode 1 minute less than 5 times the number of minutes he rode af
notka56 [123]

Answer:

Javier rode bike 34 minutes before lunch.


Step-by-step explanation:


Let the number of minutes Javier rode the bike after lunch be = x minutes


Then according to question number of minutes he rode the bike after lunch

= 5x-1


Total number of minutes he rode bike = 41 min

Therefore,

x+5x-1 =41


On solving


6x= 41+1 =42


Divide both side by 6 we get

x= 7


Number of minutes he ride before lunch

= 5(7)-1 = 35-1=34 min


8 0
3 years ago
Expand and simplify 4(2x +7) – 3(x + 5)
Vikentia [17]

Answer:

4\left(2x+7\right)-3\left(x+5\right)=5x+13

Step-by-step explanation:

Given the expression

4\left(2x+7\right)-3\left(x+5\right)

<u>Expand and simplify the expression</u>

4\left(2x+7\right)-3\left(x+5\right)

Expand  4(2x + 7) = 8x + 28                  

4\left(2x+7\right)-3\left(x+5\right)=8x+28-3\left(x+5\right)

Expand  -3(x + 5) = -3x - 15

                                 =8x+28-3x-15

Group like terms

                                  =8x-3x+28-15

Add similar elements:  8x - 3x = 5x

                                   =5x+28-15

Simplify

                                    =5x+13

Therefore, we conclude that:

4\left(2x+7\right)-3\left(x+5\right)=5x+13

6 0
3 years ago
Josh invested $450 at 0.5% simple interest for 2 years. How much is his total account balance at the end of 2 years?
elena55 [62]

Answer:

The total account balance would be $454.50

Step-by-step explanation:

4 0
2 years ago
Can some please help??
Anvisha [2.4K]

Answer: it would be B or C

Step-by-step explanation: Hope this helps :)

8 0
2 years ago
Read 2 more answers
Which type of parent function is f(x) = |x|?
mariarad [96]
The absolute value parent function.
5 0
2 years ago
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