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Sladkaya [172]
3 years ago
12

The quadrilateral with the following vertices is a parallelogram.

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
You need to use the distance formula which is √(x2-x1)^2+(Y2-y1)^2

false
Taya2010 [7]3 years ago
7 0

Answer:

False

Step-by-step explanation:

Given that a quadrilateral with the following vertices

(-6, -2), (4, -2), (2, -5), (-7, -5)

To check whether it is a paallelogram

We find the mid point of the two diagonals.

(-6,-2) (2,-5) has mid point as (-2, -3.5)

The other pair (4,-2) and (-7,-5) has midpoint as -1.5, -3.5)

Since diagonals do not bisect each other this is not a parallelogram

But AB and CD have the same slope as 0

Hence this is a trapezium

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The estimate is 32,000.
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Simplify the expression and explain each step 4(3×+2)-2
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4(3×+2)-2

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12x+6

7 0
3 years ago
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What is the angular velocity of a 6–foot pendulum that takes 3 seconds to complete an arc of 14.13 feet? Use 3.14 for π
iren2701 [21]
1) Calculate the whole arc (complete circumference):


Circumference = 2π*radius


radius = 6 foot


=> Circumference = 2 * 3.14 * 6 foot = 37.68


2) Calculate the time to make a whole round, by making a proportion with the two ratios:


 ratio 1 = x / 37.68 =


ratio 2 = 3 / 14.13


ratio 1 = ratio 2 =>

   x                  3s
----------  =   -----------
37.68 ft        14.13 ft


=> x = 3 * 37.68 / 14.13 = 8 s


3) Calcuate the angular velocity as the 2π rad (which is the total angle of a circle) divided by the time.


So the angular velocity is 2π rad / 8 s = 2*3.14 foot / 8 s = 0.785 rad / s



Answer: 0.785 rad / s


3 0
3 years ago
5 is to 7 as is to 49
Ostrovityanka [42]
5 is to 7 as is to 49 is to 51
3 0
3 years ago
Simplify (3x – 5) + (5x + 1).
Andrej [43]

Answer:

(-2x - 6)

Step-by-step explanation:

The given expression is ( 3x - 5 ) - ( 5x + 1 )

We have to simplify the given expression

First we will open the bracket having negative notation outside.

( 3x - 5 ) - 5x - 1

3x - 5 - 5x - 1

Now we will collect the similar terms together.

3x - 5x - 5 -1

-2x - 6

So the simplified form of the expression is (-2x - 6)

7 0
3 years ago
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