CoreyContini
 Name:
 corey contini
 School:
 new phila high school
 About:
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 Questions Asked
 731
 Questions Answered
 5
 Medals Received
 10

 Questions Asked
 2
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 0
 Medals Received
 0

 Questions Asked
 8
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 731
 Questions Answered
 5
 Medals Received
 10
Questions Answered

CoreyContini:
Going against the current, a boat takes 6 hours to make a 120mile trip. When the boat travels with the current on the return trip, it takes…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

CoreyContini:
A 20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution.
How much of the 70% solution is used?
20 liters
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

CoreyContini:
A person has 20 coins, all nickels and dimes, worth one dollar and 40 cents. How many nickels are there?
If n = number of nickels and d =…
 updated one year ago
 4 replies
 2 Medals
Mathematics

CoreyContini:
If the numerator of a fraction is increased by 3, the fraction becomes 3/4. If the denominator is decreased by 7, the fraction becomes 1.
W…
 updated one year ago
 2 replies
 1 Medal
Mathematics

CoreyContini:
y = 2x + 3
2y = 4x + 6
The system of equations has _____ solution(s).
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

CoreyContini:
0.01x  0.3y = 1
y = 0.1x  2
What is the solution of the given system?
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

CoreyContini:
x  y = 2
0.2x + 0.4y = 1
The xcoordinate of the solution to the system shown is ___.
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

CoreyContini:
Given the system of equations, what is the solution?
3x  2y + 10 = 0
5y = 4x + 8
…
 updated one year ago
 4 replies
 3 Medals
Mathematics

CoreyContini:
Given the system of equations, what is the value of the system determinant?
x + y = 8
x  y = 10
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

CoreyContini:
Given the system of equations, what is the value of the ydeterminant?
3x + y  10 = 0
4x  y  4 = 0
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

CoreyContini:
Which of the following equations could be the result of using the comparison method to solve the system shown?
x + y = 5
2x + y = 7
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

CoreyContini:
For the following system, use the second equation to make a substitution for x in the first equation.
3x + 2y = 7
x  y + 3 = 0
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

CoreyContini:
There is no solution to the following system of equations.
x < 3
y > 3
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

CoreyContini:
Which of the following points is a solution of the system shown?
x + y ≥ 6
x ≥ 4
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

CoreyContini:
Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed.
y > x
y < x
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

CoreyContini:
The inequality x  y > 0 is satisfied by point (1, 1).
True
False
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

CoreyContini:
Which of the following represents a number that is a minimum of 2 and a maximum of 5?
(x ≤ 2) ∩ (x ≥ 5)
(x ≤ 2) U (x ≥ 5)
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

CoreyContini:
Which of the following describes the graph of {x  x ≤ 1} {x  x ≥ 4}?
closed circles on 1 and 4 with a line segment between
closed circl…
 updated one year ago
 6 replies
 2 Medals
Mathematics

CoreyContini:
Given A = {x  x < 1}, B = {x  x ≥ 5}, and C = {x  x = 5}, match the following items.
1. A B Ø
2. A C {…
 updated one year ago
 12 replies
 1 Medal
Mathematics

CoreyContini:
Which of the following describes the graph of {x  2 < x < 2}?
just a closed circle on 2
an open circle on 2 and arrows pointing out
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

CoreyContini:
Let A = {x  x < 5} and B = {x  x ≤ 7}.
Find A B.
{x  x < 5}
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

CoreyContini:
Let A = {the whole numbers} and B = {the integers}.
Find A ∩ B.
0
…
 updated one year ago
 13 replies
 1 Medal
Mathematics

CoreyContini:
Choose the correct translation for the following statement.
To be eligible for a scholarship, you must have at least a 3.0 grade point aver…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

CoreyContini:
To go on the class trip, Chang needs at least $125. He has saved $45, and he makes $7 an hour at his job.
What is the minimum number of com…
 updated one year ago
 7 replies
 1 Medal
Mathematics

CoreyContini:
Choose the correct translation for the following statement.
It must exceed seven.
x < 7
…
 updated one year ago
 13 replies
 1 Medal
Mathematics

CoreyContini:
Given: x  5 > 2.
Choose the solution set.
{x  x ∈ R, x > 7}
…
 updated one year ago
 3 replies
 2 Medals
Mathematics

CoreyContini:
Given: x + 2 < 5.
Choose the solution set.
{x  x ∈ R, x < 7}
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

CoreyContini:
Which of the following sets would have a graph that is a closed circle on 4 and an arrow to the left?
{x  x ∈ R, x < 4}
{x  x ∈ R, x ≤…
 updated one year ago
 8 replies
 1 Medal
Mathematics

CoreyContini:
If a graph of a set has an open circle on 1/2 and an arrow pointing to the right, then which of the following numbers is in the set?
3/8
1…
 updated one year ago
 4 replies
 2 Medals
Mathematics

CoreyContini:
Select all of the following true statements if R = real numbers, I = integers, and W = {0, 1, 2, ...}.
W ⊂ I
R ⊂ W
…
 updated one year ago
 3 replies
 1 Medal
Mathematics
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