beatrizvargas
beatrizvargas
13-12-2014
Mathematics
contestada
What is (2n + 20) + 60 = 90?
Respuesta :
faithhopecharity1
faithhopecharity1
13-12-2014
(2n +20) +60 = 90
-60 -60
2n+20= 30
-20 -20
2n=10
divide by two on both sides
n=5
Answer Link
BMSumpy
BMSumpy
13-12-2014
2n+20+60=90 2n+80 =90 2n+80 =90 80 -80 2n =10 2 2 n =5
Answer Link
VER TODAS LAS RESPUESTAS ( 57+ )
Otras preguntas
Which of the following best describes the gas trapped in a sealed balloon? A) The particles move slowly. B) The particles do not often collide with one another.
QUESTION #2. Which sentence is written correctly? A. Jennifer can hold her breath longer than I can. B. Her writing is the most funniest of the young authors. C
Aristotle is known for which contribution to taxonomy?
How did a dynasty lose or gain the Mandate of Heaven? (4 points) If the ruling dynasty was wealthy, it would keep the Mandate of Heaven. If the ruling dynasty w
Which additional word or words in the sentence should be capitalized? We saw your grandmother talking to mayor barnes on september 1. Choose all answers that ar
Which words in this sentence make up the verb phrase? Has Jodi ever been to the lake? A. has been B. has ever C. been lake D. ever been
Which pronoun correctly completes the sentence? __________ eating the tastiest pizza in the state! A. You B. Your C. Yours D. You're
Which Mexican dictator wiped out the defenders of the Alamo but later was defeated by a Texan army led by Sam Houston?
A circle has a radius of 11 cm. What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.
The development of small villages into the first cities was known as A. Metropolitian revolution B. Urban revolution C. Cosmopolitan Revolution D city revolutio
