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I am Lyosha [343]
3 years ago
7

1+4=52+5=123+6=218+11=?

Mathematics
2 answers:
Citrus2011 [14]3 years ago
6 0
The math does not follow the rules of math; Of course can say 1 + 4 = 52 + 5 = 123 etc, etc. However the rules of math state 1 + 4 does not equal 52 + 5 = 57. The logic of the math breaks down immediately in the first equation. There is no logic in absolute mathematics to this equation. There is no answer.

Nikolay [14]3 years ago
4 0
1+4=5
2+5=7
3+6=9
8+11=19
hope this helped:)

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How to find variables x- and y-
Monica [59]

It says that the triangles are congruent (same size). Also, a triangle's angles add up to 180 degrees. In both of these triangles, one angle is 90° and another angle is 52°. The other angle is 180°-90°-52°=38°.

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2 years ago
What is the answer a, b, c, or d
podryga [215]

Answer: Choice B

(-2, 5)

==================================================

Explanation:

The original system is

\begin{cases}-4x+3y = 23\\ x-y = -7\end{cases}

Multiply both sides of the second equation by 3. Doing so leads to this updated system of equations

\begin{cases}-4x+3y = 23\\ 3x-3y = -21\end{cases}

Now add straight down

The x terms add to -4x+3x = -1x = -x

The y terms add to 3y+(-3y) = 0y = 0

The terms on the right hand sides add to 23+(-21) = 2

We end up with the equation  -x = 2 which solves to x = -2

Now use this to find y. You can pick any equation with x,y in it

----------------

-4x+3y = 23

-4(-2)+3y = 23

8+3y = 23

3y = 23-8

3y = 15

y = 15/3

y = 5

Or

x-y = -7

-2-y = -7

-y = -7+2

y = -5

y = 5

Either way, we get the same y value.

So that's why the solution is (x,y) = (-2, 5)

6 0
2 years ago
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210.69 is the answer.

Sorry for not explaining my work, in a bit of a hurry. I had this question back when i was in school.


Hope this helps & good luck. :)

3 0
2 years ago
Read 2 more answers
If the volume of a cube is 216cm fond the length of the cube ​
deff fn [24]

Answer:

6cm

Step-by-step explanation:

7 0
3 years ago
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