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bezimeni [28]
3 years ago
8

-6x+y=-2x-3y=9 what is the solution set?

Mathematics
1 answer:
Anarel [89]3 years ago
3 0
Mult. the 2nd eqn by 6 and then add this "new" equation to the 1st given eqn:

 -6x + y = -2
  6x -18y = 54
--------------------
        -17y = 52, or y = -52/17.  Subst. this value of y into either equation to find the value of x.
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6 0
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laila [671]

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5 0
3 years ago
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5 0
2 years ago
If 0.00005893 is expressed in the form 5.893 × 10n, what is the value of n ?
yan [13]
In the scientific value of 5.893 x 10n. The standard value is 0.00005893 what is n? To better illustrate this phenomenon, we can explain it further under the rules of scientific notation.
For example. <span><span>
1. </span><span> 3 x 10^3 = 3 x 100 = 300</span></span>
<span><span>2. </span><span> 3 x 10^-3 = 3 x 0.001 = 0.003</span></span>

Solution:
0.00005893 = 5.893 x 0.00001 = 5.893 x 10^-5  
n= ^-5



7 0
3 years ago
The coordinate of A is -3, and the coordinate of B is 0.5  Find AB ..please explain answer 
vesna_86 [32]
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|AB| = |0.5 - (-3)| = |0.5 + 3| = |3.5| = 3.5
3 0
2 years ago
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