Find the product. (x - 7)(y - 9)
Question
Updated 12/1/2014 10:19:52 PM
Flagged by janezeshun [12/1/2014 10:19:14 PM]
Original conversation
User: Find the product. (x - 7)(y - 9)

User: The scientific notation 2.38 × 10-2 has what value

User: Find A B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10}.

Question
Updated 12/1/2014 10:19:52 PM
Flagged by janezeshun [12/1/2014 10:19:14 PM]
Rating
8
(x - 7)(y - 9)
= x*y - 7*y - 9*x + (-7)*(-9)
= xy - 7y - 9x + 63
Confirmed by jeifunk [12/2/2014 3:16:38 AM], Rated good by jeifunk

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Question
Updated 12/1/2014 2:58:33 AM
x^3 + x^ 2 - 25x - 25
= x^2(x + 1) - 25(x + 1)
= (x + 1)(x^2 -25)
= (x + 1)(x + 5)(x - 5)
Confirmed by jeifunk [12/1/2014 3:01:04 AM]
Do not exceed the 35-mile-per-hour speed limit: x < = 35 where x is the speed
Confirmed by jeifunk [12/1/2014 3:01:13 AM]
Find the vertex of the parabola whose equation is y = x^2 + 2x + 9 User: Describe the location of the point that has the following coordinates. negative abscissa, zero ordinate
Weegy: First Quadrant. User: Which of the following equations is of a parabola with a vertex at (0, 6) User: Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years? (More)
Question
Updated 11/29/2014 9:02:19 PM
The vertex of the parabola whose equation is y = x^2 + 2x + 9 is (-1 , 8) .

x = -2/2 = -1
when x = - 1
y = (-1)^2 + 2*(-1) + 9
y = 1 - 2 + 9
y = 8
Confirmed by jeifunk [11/30/2014 2:22:49 AM]
Harry will be 18 years old in 6 years .
Let Nick now is y , Harry now is x
y = 7x
y + 6 = 5(x + 6)
we ger x = 12
y = 84
x + 6 = 12 + 6 = 18
So Harry is 18 in 6 years
Confirmed by jeifunk [11/30/2014 2:23:13 AM]
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Question
Updated 11/30/2014 7:43:37 PM
The equation of the line that passes through the points (4,2) and (-2,-3) in slope intercept form is y=5/6x-4/3
when x = 3,
5x + (-2x^2) = 5(3) - 2(3^2) = 15 - 18 = -3
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x > 10
Confirmed by yumdrea [11/29/2014 6:39:27 PM]
The solution for (x + 5 < 4) (x - 3 > -6) is -3 < x < -1
Holy crap, im glad we have people on here like you to solve this lol
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