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olga2289 [7]
3 years ago
5

Quadrilateral ABCD has diagonals AC and BD. Which information is not sufficient to prove ABCD is a parallelogram

Mathematics
1 answer:
lianna [129]3 years ago
6 0
Because you are missing one whole side of the triangle
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Find the value of Angle A and B!!! Will mark brainliest
rewona [7]

Answer:

A=73

B=107

Step-by-step explanation:

since the angles are across from eachother they would be the same, the total angle of all 4 added together would be 360, and 73+107 would be 180, so 180+180 is equal to 360

3 0
3 years ago
Is this equation true? 1.2(2x-5)=2/5(2x-15)+1.6x
kobusy [5.1K]

Answer:

no, there is an infatuate amount of solutions

Step-by-step explanation:

1.2(2x-5)=2/5(2x-15)+1.6x

2.4x -6 = .8x -6 +1.6

2.4 -6 = 2.4-6

0=0 ( infatuate)

7 0
3 years ago
2/2 - 7x-4<br> Simplify<br> - 58+4<br> 2x + 1<br> 2-1<br> 2x + 1<br> *+1<br> 2-72
Pachacha [2.7K]

Answer:

A or (2x+1)/(x-1)

Step-by-step explanation:

Let's simplify the top of the fraction first.

1. Simplify the numerator.

2x^2 -7x-4=(2x+1)(x-4)

2. Simplify the denominator.

x^2-5x+4=(x-4)(x-1)

Now we have:

((2x+1)(x-4))/((x-4)(x-1))

We see that there is an (x-4) both on the numerator and denominator.

We can remove (x-4) by division.

Doing that, we have:

(2x+1)/(x-1) or A

5 0
3 years ago
Can you please help me I pay you £50
Ivahew [28]
(4,-2) (6,-2) (4,1) are co ordinates for the triangle after the movement
7 0
2 years ago
Help! <br> Find the value of X and simplify completely.
Svetach [21]

Answer:

x = 8√5

Step-by-step explanation:

In the figure attached, there are three right angle triangles.

So, by Pythagoras theorem,

y²+ 4² = z²

y² + 16 = z²------(1)

Similarly x² = 16² + y²--------(2)

and (16 + 4)² = x² + z²

20² = x² + z²-------(3)

Now we put the value of z² from equation 1 to equation 3

20² = x² + y² + 16

x² + y² = 400 - 16

x² + y² = 384

y² = 384 - x²------(4)

Now we put the value of y² from equation 4 to equation 2

x² = 16² + 384 - x²

2x² = 256 + 384

2x² = 640

x² = 320

x = 8√5

Therefore x = 8√5 will be the answer.

8 0
2 years ago
Read 2 more answers
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