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Question 743647: What is the domain & range of y= -5x^2?
Click here to see answer by MathLover1(20849)

Question 743668: If a system of linear equations intersects at every point what does that mean?
Click here to see answer by MathLover1(20849)

Question 743780: Factoring
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Question 743756:
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Question 743764:
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Question 743765: X2-10x=24
Click here to see answer by Cromlix(4381)

Question 743786: Hi

How do I simplify (5x-6)^2-(x+5)^2? I'm not sure what to do with the exponents outside the brackets.
Thanks
Click here to see answer by checkley79(3341)

Question 743864: Verify the expression: cos^3 + sin^2 cos = cos
Cos^3 + sin^2 cos = cos
Cos x cos^2 + sin^2 cos= cos
Cos + 1 cos = cos
Where do I go from there?
Click here to see answer by Alan3354(69443)

Question 743921: A farmer looks out into the barn yard and sees the pigs and chickens. He says to his daughter, I count 40 heads and 100 feet . How many pig s and how many chicken are there?
Click here to see answer by tommyt3rd(5050)

Question 743996: 9 5
- - -
2x. 2x
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Question 744036: 10z�+3z-3=0 I need to know what is the discriminant? Is it positive or negative? What kind of solution would you get if the discriminant were negative?
Thank You!
Click here to see answer by Alan3354(69443)

Question 744056: Y varies jointly as x an the inverse of z. When y=8 and x=12, z=6. Find the constant of variation and determine the value for z when y=16 and x=6.

Click here to see answer by solver91311(24713)

Question 744055: Y varies jointly as x an the inverse of z. When y=8 and x=4, z=7. Find the constant of variation and determine the value for y when x=9 and z=21.
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Question 744054: Y varies jointly as x and the inverse of z. When y=6 and x=3, z=6. Find the constant of variation and determine the value for y when x=6 and z=8.
Click here to see answer by solver91311(24713)

Question 744035: Graph y=-5(x+3)�-7 and state over which intervals the graph is increasing, constant,and decreasing (in terms of x).
Thank you
Click here to see answer by josgarithmetic(39613)

Question 744151:
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Question 744129:
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Question 744092: Can you help me factor these equations? 1: 3a^2-10a+3
2: 5y^2+25y+30
3: c^4+8c-16
4:10t^2-20t+10
And can you help me with this equation?
1: y^2+3y=36-2y
Click here to see answer by lenny460(1073)

Question 744216:
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Question 744284: the denominator of a fraction exceeds the numerator by 5 and if 3 be added to both the fraction becomes 3/4 .the fraction is
Click here to see answer by MathLover1(20849)

Question 744362: a square pool has sides 30 yd long. is a 45-yd rope long enough to span accross the pool diagonally? show work
Click here to see answer by stanbon(75887)

Question 744351: X/4=36
Click here to see answer by checkley79(3341)

Question 744498: Can you help me solve this equation? y^2+3y=36-2y Please help!! Thank you!
Click here to see answer by stanbon(75887)

Question 744498: Can you help me solve this equation? y^2+3y=36-2y Please help!! Thank you!
Click here to see answer by mananth(16946)

Question 744500:
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Question 744509:
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Question 744468: 4.5/7-x=3/8
Click here to see answer by sachi(548)

Question 744513: x=2z, y=6z what is the value of y= ?
Click here to see answer by sachi(548)

Question 744642: Find the slope of the line through the points (18, 3) and (-3, 0). Show all steps.
Click here to see answer by erika514(39)

Question 744776: If f is one-to-one, find an equation for its inverse. f(x)=5x^3+6
Thanks!
Click here to see answer by stanbon(75887)

Question 744778: Solve each equation in part analytically. Then solve the associated inequalities in parts (b) and (c). (a)(1/2)^-x=(1/4)^x+1 (b) (1/2)^-1> or = to (1/4)^x+1 (c) (1/2)^-x< or =to (1/4)^x+1. Thanks! I am at a lose on how to do this.
Thanks!
Click here to see answer by stanbon(75887)

Question 744783: I need help identifying variables inequality exspressions and equations
Click here to see answer by Cromlix(4381)

Question 744846: on a map, the length of a nature-center trail is 10.7cm. if the scale is 3cm to 39km, what is the actual length of the trail?
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Question 744939: 2^2+64
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Question 744960: Which expression is equivalent to x6x2
Click here to see answer by rfer(16322)

Question 744938: 2^2+64
Click here to see answer by jobenrader(1)

Question 744967: How do you get y by itself? The problem is 4x+y=8
Click here to see answer by rfer(16322)

Question 744981: f(x)=√(x+2), g(x)=8x-6
Find (f 0 g)(x). Could you please work it our so I can see how you did it. Thanks
Click here to see answer by stanbon(75887)

Question 745005: What is the 5th term of this sequence? What is the nth term of this sequence?
8,12,18,27
Click here to see answer by stanbon(75887)

Question 745060: the fourth term of a proportion is 13 more than its first term. Writd the proportion if its second term is 3 and its third term is 10
Click here to see answer by josgarithmetic(39613)

Question 745036:
Click here to see answer by lenny460(1073)

Question 745004: What is the 5th term of this sequence?
What is the nth term of this sequence?
8, 12, 18, 27
Click here to see answer by nerdybill(7384)

Question 745089: 2x-1=7
Click here to see answer by mathbird(71)

Question 743836: Find the value of p
5p-3=7p-9
Click here to see answer by mathbird(71)

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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