emily53
emily53
14-09-2015
Mathematics
contestada
the sum of three times a number and 12 is twenty
Respuesta :
SchwarzschildRadius
SchwarzschildRadius
14-09-2015
So,
"The sum of three times a number"
3n +
"and 12"
3n + 12
"is 20"
3n + 12 = 20
Subtract 12 from both sides.
3n = 8
Divide both sides by 3.
[tex]n = \frac{8}{3} \ or\ 2 \frac{2}{3} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
A triangular building has an area of 350 1/4. If the height is 75, what is the base of the triangle?
How many seconds will it take for the penny to hit the ground?
Can i plz plz plz get some help with this
Here is an expression 3*2t. Evaluate the expression when t is 1
Generally, a loan obtained from a bank will be a _____ loan.A. TaxedB. TermC. VariableD. Collateral-free
Which country includes regions with subpolar climates and regions that are very humid and warm
What did the Europeans force the Arawaks to do? work on the ships work on the plantations work in the factory work in Europe
let me be honest i dont feel like doing this and its due today
what the answer to this math problem
Hemophilia is an X-linked condition in which the process of blood clotting is impaired. The allele xH for normal blood clotting is dominant over the allele xh,
