Mathematics, 21.09.2019 00:30 harvzoie

Jessica is thinking of two numbers. the first number is three more than twice the second number. the sum of the two
numbers is 18. which system of equations can be used to determine the first number, x, and the second number, y?
a.
x + y = 18
x + 2y = 3
b.
x + y = 3
x = 18 + 2y
c.
x+y=18
x = 3 + 2y
d.
x + 18 = y
y = 2 + 3x
019 edimentum. all rights reserved.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:30, kevin72937

Three times the sum of a number and seven is negative thirty-six. what is the number?

Answers: 2

continue

Mathematics, 21.06.2019 19:00, filthyfish

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Answers: 1

continue

Mathematics, 22.06.2019 04:30, orlando19882000

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean

Answers: 2

continue

Mathematics, 22.06.2019 04:30, dwilburn01

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?

Answers: 2

continue

You know the right answer?

Jessica is thinking of two numbers. the first number is three more than twice the second number. the...