SOLUTION: find all sets of three consectutive positive odd integers whose sum is less than 20 but greater than 10.
Algebra.Com
Question 98587This question is from textbook Algebra 2 with Trigometry
: find all sets of three consectutive positive odd integers whose sum is less than 20 but greater than 10.
This question is from textbook Algebra 2 with Trigometry
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
x+x+2+x+4>10
3x+6>10
3x>10-6
3x>4
x>4/3 the first odd number>4/3=3
proof
3+5+7>10
15>10
x+x+2+x+4<20
3x+6<20
3x<20-6
3x<14
x<14/3 the first odd number<14/3=3
proof
3+5+7<20
15<20
ultimate proof
1+3+5=8 not>10
5+7+9=21 not<20
RELATED QUESTIONS
Find all sets of three consecutive positive odd integers whose sum is less than 20 but... (answered by checkley71)
Find all sets of three positive odd integers whose sum is less than 20 but greater than... (answered by mananth)
Finbd all sets of three consecutive positive odd integers whose sum is less than 20 but... (answered by edjones)
Find all sets of three consecutive positive odd integers whose sum is less than 20 but... (answered by Fombitz)
Find all sets of two consecutive positive odd integers whose sum is no greater than... (answered by stanbon)
find all sets of three consecutive positive even integers whose sum is less than... (answered by solver91311,Edwin McCravy)
find all sets of 3 consecutive even integers whose sum is greater than 102 but less than... (answered by CubeyThePenguin)
The sum of two consectutive positive integers is 11 less than their product.
find the... (answered by jcmtnez)