Find the measure of angle C. B (110° 30° A
1 answer:
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we have
Complete the square. Remember to balance the equation by adding the same constants to each side
Rewrite as perfect squares
therefore
the answer is
the solutions are
Answer:
17822
Step-by-step explanation:
The number that are divisible by 7 between 30 and 500 are as follows :
35, 42,49,.....,497
It will form an AP with first term, a = 35 and common difference, d = 7
Let there are n terms in the AP.
nth term of an AP is given by :
Putting all the values,
Now, the sum of n terms of an AP is given by :
Putting all the values,
Hence, the sum of the numbers that are divisible by 7 between 30 and 500 is 17822.