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Alecsey [184]
3 years ago
11

2x+14y=-108 9x+2y= 2 Solve the following system of equations using any method

Mathematics
1 answer:
Orlov [11]3 years ago
4 0
<span>2x+14y=-108
</span><span>63x+14y= 14       (multiply the second equation by 7 and subtract)
_____________
-61x=-122
x=-122/-61
x=2
2(2)+14y=-108
4+14y=-108
14y=-112
y=-112/14
y=-8

</span>
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Answer:

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Step-by-step explanation:

We are given that you randomly select an integer from 0 to 19 ​(inclusively) and then randomly select an integer from 0 to 24 ​(inclusively).

And we have to find the probability of selecting 5 both​ times.

As we know that the probability of an event is given by;

                Probability = \frac{\text{Favorable number of outcomes}}{\text{Total number of outcomes}}

Now, here between integer from 0 to 19 ​(inclusively);

Number of times 5 comes = 1

Total number of integers = 20

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So, the required probability = \frac{1}{20}\times \frac{1}{25}

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Hence, the probability of selecting 5 both​ times is 0.002.

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