Step-by-step explanation:
Hello there!
Again, just double the given sides.
20+38=58 cm
:)
Answer: First option is correct.
Step-by-step explanation:
Since we have given that

Now, by factorising , we get

Now, we use the formula i.e.

By using this, we get ,

So,

X is less than -2, so -2 is our largest value of the interval, so it goes on the right. Since there is no lower endpoint (it is ALL values less than -2), we put the negative infinity symbol on the left side. The curved end on -2 indicates an open interval
Answer:
1/7 +5/9={1×9+5×7)/(9×7)=44/63is your answer