subject
Mathematics, 17.04.2020 21:03 leleee10

The sum of three numbers is 45. The second of the three numbers is three more than twice the first number, x. The third number
is two more than the first number, x. Which equation can be used to solve for the first number, x?
OOO
x + 5x + x + 2 = 45
x + x + 3 + x + 2 = 45
x + 3x + 2 + x + 2 = 45
x + 2x + 3 + x + 2 = 45

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:20
1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b
Answers: 1
question
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x
Answers: 1
question
Mathematics, 21.06.2019 22:00
10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.
Answers: 2
You know the right answer?
The sum of three numbers is 45. The second of the three numbers is three more than twice the first n...
Questions
question
Mathematics, 14.05.2020 01:57
question
History, 14.05.2020 01:57
question
Mathematics, 14.05.2020 01:57
question
Mathematics, 14.05.2020 01:57
question
History, 14.05.2020 02:57
question
Mathematics, 14.05.2020 02:57
Questions on the website: 13722367