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2 years ago

Opposite side are equal in parallelogram therome

Mathematics

2 answers:

serg [7]2 years ago

8 0

Answer:

Theorem 1 on Properties of Parallelogram

To Prove: The opposite sides are equal, AB=CD, and BC=AD. ... AC = CA (common sides) ∠BAC =∠DCA (alternate interior angles) ∠BCA = ∠DAC (alternate interior angles).

tatyana61 [14]2 years ago

7 0

Answer:

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Step-by-step explanation:

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Solve the system of linear equations.

icang [17]

Answer: The set does not have a solution

Step-by-step explanation:

Adding Equations 1 & 3 we get 5x = 7. This gives x = 7/5

Putting this value of x in eq. 2 we get

-2y + 2z = -1-(7/5) or

2y - 2z = 12/5 or 5y - 5z = 6

Multiplying eq. 1 by 2 we get

4x + 2y - 2z = 6

adding this with eq. 2 we get 5x = 5 or x = 1

As the common solution for x from equations 1&3 does not satisfy eq. 1&2 it comes out that the three equations do not have a common solution.

Same can be verified by using different sets of two equations also.

7 0

3 years ago

Radius of a sphere that has a surface area 12.56in2 use 3.14

enot [183]

$\bf \textit{surface area of a sphere}\\\\
A=4\pi r^2\qquad 
\begin{cases}
r=radius\\
-----\\
A=12.56
\end{cases}\implies 12.56=4\pi r^2
\\\\\\
\cfrac{12.56}{4\pi }=r^2\implies \sqrt{\cfrac{12.56}{4\pi }}=r$

8 0

3 years ago

How do you do this question?

tatyana61 [14]

Answer:

Step-by-step explanation:

The increments are 0.4, and the width of the interval is 10, so the number of increments (the number of times you need to use Euler's method) is:

10 / 0.4 = 25

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3 years ago

Kckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

bogdanovich [222]

Answer:

um OK

Step-by-step explanation:

8 0

3 years ago

What is the least common multiple of 2 and 9

Neko [114]

Answer:

Step-by-step explanation:

The LCM is 18.

9x2=18

2x9=18

3 0

3 years ago

Opposite side are equal in parallelogram therome​

Opposite side are equal in parallelogram therome