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spayn [35]
3 years ago
15

What is the step by step math solution to this math problem (-81/9)^2?

Mathematics
1 answer:
Nata [24]3 years ago
4 0

\:  \: ( {  \frac{ - 81}{9} )}^{2}  =  {?}

= ( \frac{ - 81}{9} ) \times ( \frac{ - 81}{9} )

= ( - 9) \times ( - 9)

= ( - 9)^{2}

=  + 81

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(58-x)-(x)=12 in one variable​
tino4ka555 [31]

Answer:

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Step-by-step explanation:

Step 1: Write out equation

(58 - x) - (x) = 12

Step 2: Distribute negative

58 - x - x = 12

Step 3: Combine like terms

58 - 2x = 12

Step 4: Subtract 58 on both sides

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Step 5: Isolate <em>x</em> (divide both sides by -2)

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11X - X2 +4y2 = 52<br> how do i solve and graph
timofeeve [1]
<h3>I'll teach you how to solve 11X - X2 +4y2 = 52</h3>

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

11X - X2 +4y2 = 52

Add similar elements:

9x+4*2y= 52

Multiply the numbers 4*2:

4*2= 8

9x+8y= 52

Subtract 8y from both sides:

9x+8y-8y= 52- 8y

Simplify:

9x= 52- 8y

Divide both sides by 9:

9x/9= 52/9 - 8y/9

Simplify:

x= \frac{52-8y}{9}

Your Answer Is x= \frac{52-8y}{9}

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PLEASE HELP IM CONFUSED! Find what the measurements of angles a-c are and state the reason
nata0808 [166]

Answer:

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<b = 90°   (180-90 supplementary angle)

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<c = 42°     (interior angles of a triangle equal 180.  180-48-90=42)

Step-by-step explanation:

<a = 90°   (180-90 supplementary angle)

<b = 90°   (180-90 supplementary angle)

<d = 48°   (180-132 supplementary angle)

<e = 132°  (opposite angle)

<c = 42°     (interior angles of a triangle equal 180.  180-48-90=42)

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4/6 is an equivalent to 2/3
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