Answer:
4343
Step-by-step explanation:
To find multiple of 7 from 1 to 100,
Take the quotient of 100/7=14
n=100 (number of terms)
n=100-14 (Without Multiple of 7=number of terms - multiple of 7)
=>n=86
Sum of 1 to 100 => Sn = n/2(a + an)
=> Sn = 86/2(1+100)
=> Sn = 43(101)
=> Sn = 4343
Answer:
-2.5
Step-by-step explanation:
175-180 / 3-1
= -5/2
=-2/5
<span>Answer:This triangle does not exist because the sum of 4 and 12 is less than 17.
Since 4+12 isnt greater than 17, the triangle doesn't exist</span>
Answer:
n = 5.33→
Step-by-step explanation: