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bija089 [108]
2 years ago
15

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

Mathematics
2 answers:
Thepotemich [5.8K]2 years ago
4 0
<span>Use the distance formula to find the length of each side and then add the lengths. 

Use the slope formula to find the slope of each of side, and then determine if the opposite sides are parallel. 

Use the slope formula to find the slope of each of side, and then determine if the consecutive sides are perpendicular. 

Use the distance formula to find the length of the sides, and then multiply two of the side lengths.</span>
Elza [17]2 years ago
4 0

Answer and step-by-step explanation:

To find the perimeter of a figure, we add together the lengths of all of the sides.

To find the lengths of the sides, we would use the distance formula, plugging in 2 pairs of coordinates at a time, until we had all 4 distances.

We then would add together all 4 sides.

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In a science-fiction story, a spaceship travels 3 times faster each minute than it traveled during the minute before. If the shi
JulijaS [17]

The expression is:

speed(minutes)=3\frac{km}{h} ^{minutes} \\\\speed(15minutes)=(3^{15})\frac{km}{4} =14348907\frac{km}{g}

Why?

From the statement we know that the spaceship travels 3 times faster each minute that it traveled during the minute before, it can be expressed using an exponential function, its base will be the starting speed (during the first minute).

The expression will be:

speed(minutes)=(3^{minutes})\frac{km}{h} \\\\speed(15minutes)=(3^{15})\frac{km}{h}=14348907\frac{km}{h}

Have a nice day!

6 0
1 year ago
Match the following items by evaluating the expression for x = -6.
tigry1 [53]

Answer:

What are the following items?

Step-by-step explanation:


8 0
2 years ago
Write a number that is greater than 4.508 but less than 4.512
Lelechka [254]
4.509 is greater that 4.508 and less than 4.512
5 0
2 years ago
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Your friend is trying to grow her hair as long as her cousin’s hair. The table shows their hair lengths y (in inches) in differe
Effectus [21]
<span>Given the table that shows the hair lengths y (in inches) of your friend and her cousin in different months x.

Month      Friends Hair(in)      Cousins Hair(in)
    3                     4                              7
    8                    6.5                            9.

To solve for the cousins hair, recall that the equation of a line is given by

y = mx + c

From the table,

7 = 3m + c . . . (1)
9 = 8m + c . . . (2)

(1) - (2) ⇒ -2 = -5m
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Substituting for m into equation (1) gives:

7=3(0.4)+c \\  \\ \Rightarrow c=7-1.2=5.8

Therefore, the equation representing the growth of the cousin's hair is given by y = 1.2x + 5.8
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7 0
1 year ago
What is the cricket’s hang time (amount of time the cricket is airborne)? Round to the nearest thousandth h(t) = –16t2 + 14t
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We have that
h(t) = –16t²<span> + 14t
using a graph tool
see the attached figure

</span><span>the cricket’s hang time is the difference  between point (0,0) and (0.875,0)
</span>(0.875-0)=0.875 sec

the answer is 0.875 sec

8 0
2 years ago
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