subject
Mathematics, 13.11.2019 09:31 queenfan1818

Twice a number increased by seven is equal to five. which of the following represents the equation and solution for this statement?

2n + 7 = 5; n = -4.5
2n = 7 + 5; n = 6
2(n + 7) = 5; n = -4.5
2n + 7 = 5; n = -1

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)βˆ’1 βˆ’50 βˆ’11 3g(x)g(x) = 2x βˆ’ 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 3
question
Mathematics, 21.06.2019 22:00
The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen β€œ- z-score
Answers: 1
question
Mathematics, 21.06.2019 22:40
Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.
Answers: 3
question
Mathematics, 22.06.2019 00:30
The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|
Answers: 1
You know the right answer?
Twice a number increased by seven is equal to five. which of the following represents the equation a...
Questions
question
History, 25.02.2021 07:40
question
Mathematics, 25.02.2021 07:40
question
English, 25.02.2021 07:40
question
Mathematics, 25.02.2021 07:40
Questions on the website: 13722367