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 ( 94+ )
Otras preguntas
Suppose on your 21st birthday, your eccentric grandmother invites you over to her house, takes you into her library, removes a black velvet painting of elvi
A fruit stand has to decide what to charge for their produce.They decide to charge $5.30 for 1 apple and 1 orange. They also plan to charge $14 for 2 apples and
Ana: Mi amigo Juan cubre los temas de actualidad. Hace investigación antes de escribir la historia. A. reportero B. editor C. maquetador D. corrector de t
Use even and odd properties of the trigonometric functions to find the exact value of the expression. csc(−π/6)
△XLW≅△XGD. What is length of GD¯¯¯¯¯¯ ?
Knowing this, you and the company determined that the velocity at which the fireworks should be launched is 224 feet/second. The function that now models the he
ANSWER ASAP I NEED ANSWERS PEOPLE
5+y= -15 how do you solve this problem
Geometry math question
A cone has a diameter of 6 cm and a height that is 5 times the diameter use 3.14 for pie which of the following could be used to calculate volume of the cone
