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Equations/742867: How can I find an ordered pair if the equation is x + y = 6?
(4, ), (6, ), (0, )
1 solutions

Answer 452680 by rfer(12666) on 2013-04-28 21:49:39 (Show Source):

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(4,?)
x+y=6
4+y=6
y=6-4
y=2
(4,2)

Angles/742890: the measure of a angle is 1/3 the measure of its supplement, what is the angle

1 solutions

Answer 452679 by rfer(12666) on 2013-04-28 21:46:27 (Show Source):

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x+3x=180
4x=180
x=180/4
x=45

Coordinate-system/742906: Plot the number 3/2 on a number line
1 solutions

Answer 452678 by rfer(12666) on 2013-04-28 21:43:05 (Show Source):

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=+1.5

Polynomials-and-rational-expressions/742913: subtract
(5x+2)-(5x+3)=

1 solutions

Answer 452677 by rfer(12666) on 2013-04-28 21:41:54 (Show Source):

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5x+2-5x-3=-1

Polynomials-and-rational-expressions/742916: add
(7b+5b^2-3) + (3b^3-5b +8)=
1 solutions

Answer 452676 by rfer(12666) on 2013-04-28 21:40:38 (Show Source):

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7b+5b^2-3+3b^3-5b+8=
3b^3+5b^2+2b+5

Polynomials-and-rational-expressions/742918: what is the quotent of (18x'3+12x-3) / 6x'2
1 solutions

Answer 452675 by rfer(12666) on 2013-04-28 21:38:38 (Show Source):

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=3x with R=12x-3

Radicals/742836: what is radical 5x-4=6 what is x?
1 solutions

Answer 452641 by rfer(12666) on 2013-04-28 18:08:16 (Show Source):

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5x-4=36
5x=40
x=40/5
x=8

test/742832: How do I simplify and put these problems in exponential form?
3(ab)^2
(10y^2)^3

1 solutions

Answer 452640 by rfer(12666) on 2013-04-28 18:04:05 (Show Source):

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3a^2b^2
1000y^6

Distributive-associative-commutative-properties/742791: It says to find the quotient. here is the problem.
-9x^3+3x^2-15x/-3x
1 solutions

Answer 452629 by rfer(12666) on 2013-04-28 16:08:17 (Show Source):

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=3x^2-x+5

test/742510: Greg cement sell for 75 plus 24 for each yard of cement. How many yards of cement can be purchased for 363.
1 solutions

Answer 452583 by rfer(12666) on 2013-04-27 20:56:57 (Show Source):

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(363-75)/24=12 cu yds

Equations/742546: Find the slope-intercept equation for the line with the indicated slope and y-intercept
Slope6/7; y-intercept 0,-6
1 solutions

Answer 452582 by rfer(12666) on 2013-04-27 20:54:52 (Show Source):

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y=6/7x-6

Equations/742550: Write a slope-intercept equation of the line whose graph is parallel to y=2x-9 and has the y-intercept 0,4.
The line is y=
1 solutions

Answer 452581 by rfer(12666) on 2013-04-27 20:53:39 (Show Source):

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y=2x+4

Linear-equations/742584: (-3,-3) m=1/2 Find the equation of the line through the given point with the given slope.
This is what I did and is this correct??
y-(-3)=1/2(x-(-3))
y+3=1/2x+6
-3 -3
y=1/2x+3
1 solutions

Answer 452580 by rfer(12666) on 2013-04-27 20:48:55 (Show Source):

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y=mx+b
-3=0.5*-3+b
-3=-1.5+b
-3+1.5=b
-1.5=b
y=0.5x-1.5

Travel_Word_Problems/742586: Willie pushed on the cart with 500 newtons of force. Jenny pushed on the other side of the cart. The cart didn't move.How much force did Jenny apply?
1 solutions

Answer 452579 by rfer(12666) on 2013-04-27 20:45:24 (Show Source):

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500 Newtons

Points-lines-and-rays/742555: For a 67^0:
A. What is the measure of its supplement?
B. What is the measure of its complement?
1 solutions

Answer 452578 by rfer(12666) on 2013-04-27 20:44:24 (Show Source):

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67^0=1
A) 179 degrees
B) 89 degrees

Linear-equations/742249: what is the correct answer of 12-2(6)/1-5
1 solutions

Answer 452391 by rfer(12666) on 2013-04-26 18:06:02 (Show Source):

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12-12/1-5=
12-12-5=-5

Travel_Word_Problems/742269: what is the rate formula of 175 miles and 6 1/2 hours

1 solutions

Answer 452390 by rfer(12666) on 2013-04-26 18:04:19 (Show Source):

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r=D/t

Equations/741848: Solve 5x + 5 = 2(2x + 5)
1 solutions

Answer 452169 by rfer(12666) on 2013-04-25 15:23:45 (Show Source):

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5x+5=4x+10
5x-4x=10-5
x=5

Linear-equations/739823: find the y-intercept y=-9/2x-3/2
1 solutions

Answer 451341 by rfer(12666) on 2013-04-20 14:07:36 (Show Source):

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y int = -3/2
(0,-3/2)
or
(0,-1.5)
which ever is easier

Average/739674: What is the average for the numbers 95, 95, and 80?

1 solutions

Answer 451253 by rfer(12666) on 2013-04-19 21:23:04 (Show Source):

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=90

Finance/739389: I'm not sure if this goes into the finance section, but here is the problem. Adam buys oranges at the rate of three oranges for $1. He sells them at a rate of five oranges for $2. In order to make a profit of at least $10, what is the minimum number of oranges he must sell?
I tried doing proportions but I don't think I did them right.
1 solutions

Answer 451115 by rfer(12666) on 2013-04-18 21:32:53 (Show Source):

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1/3=0.333
2/5=0.4
0.4-0.333=0.0.67
10/0.67=149.23=150 min

Numbers_Word_Problems/739408: The sum of two consecutive whole numbers is 57. What is the value of the greater of the two numbers?

1 solutions

Answer 451114 by rfer(12666) on 2013-04-18 21:28:30 (Show Source):

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x+x+1=57
2x=56
x=28
x+1=29

percentage/739400: If the result of increasing a by 300% of a is b, then a is what percent of b?
The answer choices are;
A) 20%
B) 25%
C)33 1/3%
D)40%
E)66 2/3%
1 solutions

Answer 451113 by rfer(12666) on 2013-04-18 21:27:00 (Show Source):

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c) 33 1/3%

Numeric_Fractions/739406: 5:27 : : 9 : ?
1 solutions

Answer 451111 by rfer(12666) on 2013-04-18 21:25:10 (Show Source):

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27*9/5=48.6

test/739429: The regular price for a record is $15. Find the discount and the new price if there is a 20% discount.
1 solutions

Answer 451110 by rfer(12666) on 2013-04-18 21:22:59 (Show Source):

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$3
15*0.80=$12

Permutations/739198: If a= 1.5 what does 4a+5 equal?
1 solutions

Answer 451038 by rfer(12666) on 2013-04-18 13:38:57 (Show Source):

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4*1.5+5=11

test/739167: (5,-2),m=3
1 solutions