Answer:
(-60/11,111/11)
Step-by-step explanation:
Solving simultaneously, 4x - 3y=6
-3(6x + y=42)
then it becomes, 4x - 3y=6
-18x - 3y= 126 subtracting the two equations,
22x= -120, x= -60/11 and y = 111/11
Y=-1/2
Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.<span><span>(y)</span>⋅<span>(6)</span>=<span>(−3)</span>⋅<span>(1<span>)
</span></span></span>Simplify the left side.<span><span>6y=<span>(−3)</span>⋅<span>(1)</span></span><span>6y=<span>(-3)</span>⋅<span>(1)</span></span></span>
Simplify the right side.<span><span>6y=−3</span><span>6y=-3</span></span>
Divide each term by <span>66</span> and simplify.y=-1/2
No there not equivalent <span />
Answer:
12
Step-by-step explanation:
a² + b² = c²
a² + 9² = 15²
a² + 81 = 225
a² = 225 - 81
a² = 144
a = 12
Answer:
We can write out 3! (three factorial) as 3x2x1, and we can write out 5! as 5x4x3x2x1. This means that, since 3x2x1 is on the top and the bottom of the fraction, it cancels out. This leaves us with 1 on top, and 4x5=20 on the bottom.
Step-by-step explanation:
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