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zhannawk [14.2K]
3 years ago
10

-1/2 divided by what equals -7/3

Mathematics
2 answers:
Andru [333]3 years ago
5 0
(-1/2)/x = -7/3

*multiply both sides by x

(-1/2) = (-7/3)x

*divide both sides by (-7/3)

(-1/2)/(-7/3) = x

dividing<span> by a fraction is the same as </span>multiplying<span> by it's </span>reciprocal:

x = (-1/2)*(-3/7)

<span>* the negative </span>SIGNS cancel

x = (1/2)*(3/7)

x = (1*3)/(2*7)

<u><span>x = 3/14</span></u>
marshall27 [118]3 years ago
3 0
(-1/2)/x = -7/3

*multiply both sides by x

(-1/2) = (-7/3)x

*divide both sides by (-7/3)

(-1/2)/(-7/3) = x

dividing by a fraction is the same as multiplying by it's reciprocal:

x = (-1/2)*(-3/7)

* the negative signs cancel

x = (1/2)*(3/7)

x = (1*3)/(2*7)

<u><em>x = 3/14</em></u>
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Answer:

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Step-by-step explanation:

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but in this case it's z^2-y^2=x^2

so 73^2= 5329

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5329-3025=2304

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Hope this helps!

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3 years ago
How do i solve x=y+1 and 3x+2y=8 by substitution
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3y + 3 +2y = 8

5y +3 = 8
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5y = 5
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3 years ago
X+x+x+x+3 simplified
aleksklad [387]

Answer:

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4 years ago
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3 0
3 years ago
What percentage is 142-58
Misha Larkins [42]

SOLUTION:

Step 1 :

In this question, we are meant to find what percent of 142 is 58.

Step 2 :

We make the assumption that 142 is 100 % since it is our output value.

Step 3:

We next represent the value we see with x.

Step 4 :

From step 2, it follows that 100 % = 142.

Step 5 :

In the same vein, x % = 58.

Step 6 :

This gives us a pair of simple equations:

\begin{gathered} 100\text{ \% = 142 ---- equ 1} \\ x\text{ \% = 58 }\ldots\ldots\ldots\ldots\text{ equ 2} \end{gathered}

Step 7 :

By simply dividing equation 1 by equation 2 and

taking note of the fact that the Left-Hand Side of both equations have the same unit ( % ), we have that :

\frac{100\text{ \%}}{x\text{ \%}}\text{ = }\frac{142}{58}

Step 8 :

Taking the inverse ( or reciprocal ) of both sides yields:

\frac{x\text{ \%}}{100\text{ \%}}\text{ = }\frac{58}{142}\begin{gathered} x\text{ = }\frac{58\text{ x 100}}{142} \\ \text{x = }\frac{5800}{142} \\ x\text{ = 40.85\%} \end{gathered}

CONCLUSION:

Therefore, 58 is 40.85 % of 142.

4 0
2 years ago
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