calvincdavis9336 calvincdavis9336
  • 01-11-2017
  • Mathematics
contestada

Find three consecutive even integers such that the sum of twice the smallest number and three times the largest is 42.

Respuesta :

randgh
randgh randgh
  • 01-11-2017
let x be the first 
the second x +2 
the third x+ 4


twice the smallest  2x

three times the largest  3(x+4 )
 
2x + 3(x+4 )=42

2x +3x +12 = 42

5x= 30

x=6        the second is 8   the third is 10
Answer Link

Otras preguntas

What is the sum of this geometric series?24 + 36 + ... + 121.5
8: find the greatest number if 5 digit which when divided by 25,30and 40 leaves a remainder of 20, 25 and 35 respectively.
Which term best describes the difference in colors or the birds below? A. Natural selection B. Reproductive maturity C. Genetic variation D. Genetic drift
what additional information would you need to prove the triangles congruent by ASA
Find the measure of angle x in the figure below: 35° 47° 73° 78°
How do you solve, not just the answer PLEASE -2r-4=3r+16
i learned this so long ago & i don’t remember how to do it. plz help
What was the Navigation Act of 1660? A. a law that placed tariffs on English goods in the colonies B. a law that allowed foreign ships to trade with the col
A scientist plans to find out if dams harm a river ecosystem. He interviews 500 environmentalists and 450 of them believe that dams are harmful for the ecosyste
Which congruences are true by CPCTC? Check all that applies