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pishuonlain [190]
3 years ago
9

What is the solution to the system of equations below?

Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0

4x  - y =  - 5 \\  - 2x + y = 3

Solve the second equation for y

4x - y =  - 5 \\ y = 3 + 2x

Substitute the given value of y into the first equation

4x - (3 + 2x) =  - 5

Solve the equation for x

x =  - 1

Substitute the given value of x into the second equation

y = 3 + 2( - 1)

Solve the equation for y

y = 1

The possible solution of the system is the ordered pair (x,y)

(x,y) = ( - 1, 1)

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Evaluate 2.6 raised to the seventh power divided by 2.6 raised to the sixth power, all raised to the second power.
igomit [66]

The evaluation of 2.6 raised to the seventh power divided by 2.6 raised to the sixth power, all raised to the second power is as follows:

(\frac{2.6^{7} }{2.6^{6} } )^{2} = 6.76

<h3>How to evaluate an expression?</h3>

2.6 raised to the seventh power divided by 2.6 raised to the sixth power, all raised to the second power.

The following expression can be evaluated as follows;

(\frac{2.6^{7} }{2.6^{6} } )^{2}

Using the law of indices,

(A^{x} )^{y} = A^{xy}

Therefore,

(\frac{2.6^{7} }{2.6^{6} } )^{2} = (\frac{2.6^{14} }{2.6^{12} } )

Using the law of indices,

\frac{A^{x} }{B^{y} } = A^{x-y}

Hence,

(\frac{2.6^{7} }{2.6^{6} } )^{2} = (\frac{2.6^{14} }{2.6^{12} } ) = 2.6^{14-12}  = 2.6^{2}  = 6.76

Therefore,

(\frac{2.6^{7} }{2.6^{6} } )^{2} = 6.76

The evaluation of 2.6 raised to the seventh power divided by 2.6 raised to the sixth power, all raised to the second power is 6.76.

learn more on expression here: brainly.com/question/28337613

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2 years ago
The last word in the first sentence of the Einstein quote is
pochemuha

Answer:

A.) Longer

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Does anyone know how to solve this
Fofino [41]
Here is the answer the app is called cymath btw

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3 years ago
Can anyone help this?
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Step-by-step explanation:

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3 years ago
If angle 1 and angle 2 are supplementary angles, and angle 3 and angle 2 are supplementary angles, what do you know about angle
dusya [7]

Answer:

  angle 1 and angle 3 are congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent. Here both angles 1 and 3 are supplementary to angle 2, so angles 1 and 3 are congruent.

_____

If you like, you can get there algebraically:

  m∠1 + m∠2 = 180

  m∠3 + m∠2 = 180

Subtract the second equation from the first:

  (m∠1 + m∠2) - (m∠3 + m∠2) = (180) - (180)

  m∠1 -m∠3 = 0 . . . . simplify

  m∠1 = m∠3 . . . . . . add m∠3

When angle measures are the same, the angles are congruent.

  ∠1 ≅ ∠3

4 0
4 years ago
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