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Yanka [14]
3 years ago
15

Sarah says that 19 divided by. 9 equals 9 divided by 4 because both are 2r1 show here mistake using decimal division. How do I f

ind out how she’s wrong?
Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0
9*4=36 and 19/9 isn’t the same
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Plz help me ASAP!!!!!!!!!!!!!!!!
Alecsey [184]

Answer:

We conclude that Quadrilateral JKLM is not a rhombus because there is only one pair of opposite sides that are parallel.

Step-by-step explanation:

The coordinates of the vertices of quadrilateral JKLM are:

  • J(−3, 2)
  • K(3, 5)
  • L(9, −1)
  • M(2, −3)

As

JK\:slope\:=\:\frac{\left(2-5\right)}{\left(-3-3\right)}=\frac{-3}{-6}=\frac{1}{2}

ML\:slope\:=\:\frac{\left(-3+1\right)}{\left(2-9\right)}=\frac{-2}{-7}=\frac{2}{7}

JM\:slope\:=\:\frac{\left(2+3\right)}{\left(-3-2\right)}=\frac{5}{-5}=-1

KL\:slope\:=\:\frac{\left(5+1\right)}{\left(-3-9\right)}=\frac{6}{-6}=-1

As parallel lines have same slope

So,

  • JM and KL have same slope
  • JK and ML do not have same slope

Therefore, from the above discussion, we conclude that Quadrilateral JKLM is not a rhombus because there is only one pair of opposite sides that are parallel.

Keywords: rhombus, quadrilateral, slope

Learn more about rhombus from brainly.com/question/1206531

#learnwithBrainly

7 0
4 years ago
d) A movie time was 2hours. 10% of the time was taken advertisement. How long was the actual movie? ​
vitfil [10]

Answer:

1.8 hours ( 108 minutes)

Step-by-step explanation:

10% of 2 hours is 12 minutes

120 minutes - 12 minutes = 108 minutes

5 0
3 years ago
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Evaluate. Express your answer in scientific notation.<br> 4.36 x 104 – 41, 600
Wewaii [24]

Answer: 3.456 × 1011

Step-by-step explanation:

6 0
3 years ago
How do you find the y coordinate of the vertex in a quadratic function?
Leya [2.2K]

To find the vertex of a quadratic equation, determine the coefficients of the equation, then use the vertex x-coordinate formula to find the value of x at the vertex. Once the x-coordinate is found, plug it into the original equation to find the y-coordinate.

5 0
4 years ago
Which statement regarding the interior and exterior angles of a triangle is true? An exterior angle is supplementary to the adja
Fudgin [204]

The <em><u>correct answe</u></em>r is:

An exterior angle is supplementary to the adjacent interior angle.

Explanation:

An exterior angle of a triangle and its adjacent interior angle form a linear pair. This means they form a straight line, and a straight line has a measure of 180°. Since they combine for a total of 180°, this means they are supplementary.

4 0
3 years ago
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