Question and answer
The expression 3x² represents (3x)(3x) (3)(x)(x) (3)(x)(2)
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Asked 11/17/2014 6:51:53 AM
Updated 11/17/2014 11:02:44 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 11:02:44 PM]
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User: The expression 3x² represents (3x)(3x) (3)(x)(x) (3)(x)(2)

Weegy: 3x times x is equal to 3x^2


User: In simplified exponential notation, the expression a²·a -3·a= 1/a 0 1

Question
Asked 11/17/2014 6:51:53 AM
Updated 11/17/2014 11:02:44 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 11:02:44 PM]
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8
a^2·a^-3·a
= a^2*a*^-3
= a^3*a^-3
= a^3*1/a^3
= 1
Added 11/17/2014 10:51:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 11:03:01 PM], Rated good by jeifunk
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Weegy: The three-way division of power among the branches of the federal government is known as: separation of powers. (More)
Question
Expert Answered
Updated 11/13/2014 7:32:43 AM
0 Answers/Comments
x - y = 6 x = y + 2 Solve the system of equations by substitution. (4, -2) (6, 0) no solution coincident
Weegy: A. (4,-2) User: 10x - 10y = 1 x = y - 3 Solve the system of equations by substitution. (-29/20, 31/20) (1/2, 2/5) no solution coincident Weegy: Solution: 10x - 10y = 1 x = y - 3 The second equation is solved for x, [ So substitute (y - 3) for x in the first equation 10x - 10y = 1 10(y - 3) - 10y = 1 10y - 30 - 10y = 1 -30 = 1 They y's all canceled out and left a false numerical equation, -30 is not equal to 1, so there is no solution. The system is called an inconsistent system of equation. ] User: 5x - 2y = 6 x = 5 - y Solve the system of equations by substitution. (16/7, 19/7) (-4/3, 19/3) no solution coincident Weegy: (16/7, 19/7) is the answer. Letter A. User: x + y = 6 2x + y = 4 Solve the system of equations by substitution. (-2, 8) (2, -8) no solution coincident Weegy: A.(-2, 8) is the answer if we solve the system by substitution. User: 5x - 6 = y 2x - 3y = 4 Solve the system of equations by substitution. (-10/13, -128/13) (14/13, -8/13) no solution coincident Weegy: (14/13, -8/13) is the answer. Letter B. By substitution, we get the value of x as 14/13 while y is equal to -8/13. User: 7x - 2 = 2y 3x = 2y - 1 Solve the system of equations by substitution. (3/4, 13/8) (1/4, -1/8) no solution coincident Weegy: The system of equations 7x - 2 = 2y 3x = 2y - 1 is equals to: (3/4, 13/8). User: 8x = 2y + 5 3x = y + 7 Solve the system of equations by substitution. (-9/2, -41/2) (-1, -9/2) no solution coincident Weegy: The solution set of the equation 8x = 2y + 5 3x = y + 7 is {(-9/2, -41/2)}. User: 8y - 1 = x 3x = 2y Solve the system of equations by substitution. (1/33, 1/11) (1/11, 3/22) no solution coincident Weegy: The system shown has no solution(s). User: 7 + 2y = 8x 3x - 2y = 0 Solve the system of equations by substitution. (70/3, 140/9) (7/5, 21/10) no solution coincident Weegy: Solution: 7 + 2y = 8x 3x - 2y = 0 add 2y to each side 3x = ... (More)
Question
Not Answered
Updated 11/24/2014 12:56:37 AM
3 Answers/Comments
There no solution for x - y = 6 , x = y + 2 Solve the system of equations by substitution.
Put equaiton 2 in euqation 1 , we get the result as follows:
x - y = 6 ,
y + 2 - y = 6 ,
2 = 6 ,
2 is can't be equal to 6 ,
So it has no solution .
Added 11/24/2014 12:45:45 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/24/2014 1:51:38 PM], Rated good by andrewpallarca
The solution for 8y - 1 = x , 3x = 2y is (1/11, 3/22) .Solve the system of equations by substitution.
put equation 1 of x = 8y - 1 in equation 2 ;
3(8y - 1) = 2y ;
24y - 3 = 2y ;
22y = 3 ;
y = 3/22 ;
x = 8*3/22 - 1 ;
x = 24/22 - 22/22 ;
x = 2/22 ;
x = 1/11 .
Added 11/24/2014 12:51:08 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/24/2014 1:52:22 PM], Rated good by andrewpallarca
The equations 2x - y = c , x + 2y = d are intersecting .
The slope of 2x - y = c is 2 , the slope of x + 2y = d is -1/2 , so 2 lines are perpendicular to each other ,so they are intersecting .
Added 11/24/2014 12:56:34 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/24/2014 1:52:41 PM], Rated good by andrewpallarca
The slope of the line whose equation is y - 3 = 0 is 0 3 no slope
Weegy: The slope of the line whose equation is y -(2/3)=0 is 0. User: Find the slope of the line that passes through the points (2, 1) and (-4, -5). -1 1 7/5 User: Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2 User: The points (2, 1), (3, 3), (4, 5), and (5, 6) are collinear. True False Weegy: False, not all sets of three points are collinear. User: The lines 2x - 3y = 1 and 2x + 3y = 2 are intersecting. True False Weegy: A.True User: If b = 3, then 3x + y = 1 and bx - y = 3 are parallel. True False User: If a = -12/5, then 5x + 2y = 6 and 3x - ay = 4 are parallel. True False Weegy: the answer is B.true User: Input the equation of the given line in standard form. The line with m = -3/4 and b = -2. Weegy: The equation of the line with m = -3/4 and b = -2 in standard form is 3x + 4y = -8 User: The y-intercept of the line whose equation is 3x + 2y = 7 -3/2 7/3 7/2 Weegy: The y-intercept of the line whose equation is 3x + 2y = 7 is 7/2. User: Ben has $3.40 consisting of quarters and dimes. How many coins of each kind does he have if he has 22 coins? Which of the following system of equations represents the word problem if d is the number of dimes and q is quarters? d + q = 22 and 10d + 25q = 340 10d + 25q = 22 and d + q = 340 dq = 22 and d + q = 340 Weegy: d + q = 22 and 10d + 25q = 340- is the system of equations that represents the word problem if d is the number of dimes and q is quarters. (More)
Question
Updated 11/17/2014 8:01:37 AM
4 Answers/Comments
The slope of the line whose equation is y - 3 = 0 is 0.
Added 11/17/2014 7:55:03 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 8:39:30 AM]
The points (2, 1), (3, 3), (4, 5), and (5, 6) are collinear. FALSE.
Added 11/17/2014 7:57:14 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 8:40:13 AM]
If b = 3, then 3x + y = 1 and bx - y = 3 are parallel. FALSE.
Added 11/17/2014 8:00:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 8:40:44 AM]
If a = -12/5, then 5x + 2y = 6 and 3x - ay = 4 are parallel. FALSE.
Added 11/17/2014 8:01:37 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 8:41:37 AM]
Evaluate each expression. 3 -2 =
Weegy: 3 -2 = 1 User: Given A = {1, 3, 5}, B = {2, 4, 6} and C={1, 2, 3, 4, 5, 6}, then A (B C) = {} {1, 3, 5} {1, 2, 3, 4, 5, 6} Weegy: (c + 6)^3 = (c + 6)(c + 6)(c + 6); = (c^2 + 6c + 6c + 36)(c + 6); = (c^2 + 12c + 36)(c + 6); = c^3 + 6c^2 + 12c^2 + 72c + 36c + 216; = c^3 + 18c^2 + 108c + 216 User: Given that f(x) = x² + 5x, evaluate f(-2). -6 -14 7 Weegy: f(x) = x? + 5x; f(-2) f(-2) = -2^2 + 5(-2) f(-2) = -4 - 10 f(-2) = -14 User: Evaluate g(3) if g(x) = 2x + 1. 1 7 24 (More)
Question
Not Answered
Updated 11/17/2014 10:57:42 PM
3 Answers/Comments
3^-2 = 1/3^2 = 1/9 .

Added 11/17/2014 10:53:05 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/17/2014 11:02:31 PM]
Given that f(x) = x² + 5x, evaluate f(-2) = -6 .
f(-2) = (-2)^2+ 5*(-2)
f(-2) = 4 - 10
f(-2) = -6
Added 11/17/2014 10:56:38 PM
If g(x) = 2x + 1 , g(3) = 7 .
g(3) = 2*3 + 1
g(3) = 6 + 1
g(3) = 7
Added 11/17/2014 10:57:42 PM
Simplify 5(x - 2) + 3x 8x - 2 8x - 10 -7x
Weegy: 5(x - 2) + 3x = 5x - 10 + 3x = 8x - 10 User: Simplify 7 - 2(5 - 2x) -10x + 25 -4x - 3 4x - 3 Weegy: 7 - 2(5 - 2x), 7 - 10 + 4x = 4x - 3 User: Simplify 3(x + 2) + 4(x - 5) User: The substitution method for solving two-order systems involves solving one equation using the terms of the other equation. True False (More)
Question
Not Answered
Updated 11/17/2014 8:22:13 AM
2 Answers/Comments
3(x + 2) + 4(x - 5)
= 3x + 6 + 4x - 20
= 7x - 14
Added 11/17/2014 8:15:22 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/17/2014 8:18:48 AM]
The substitution method for solving two-order systems involves solving one equation using the terms of the other equation. TRUE.
Added 11/17/2014 8:16:48 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/17/2014 8:20:25 AM]
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