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Question 969891: ok, this is pre-algerbra but you guys didn't have that, anyway I am doing this on a program and I am stuck. The problem is 6x plus 3 equals 45 and I cant fiqure out what x is! this is not a test by the way!
Click here to see answer by stanbon(75887)

Question 969897: I need help with math homework!quickly

Click here to see answer by Alan3354(69443)

Question 969963: 1/7 of 476

Please get back to me its important
Click here to see answer by satyareddy22(84)

Question 970023: Write 16x^2y^5 and 12x^3y^3 as a expression in simplest terms.
Click here to see answer by Alan3354(69443)

Question 970074: solve -3-(3-3p)
Click here to see answer by Boreal(15235)

Question 970091: A function is shown below:
f(x) = x3 + 3x2 - x - 3
Part A: What are the factors of f(x)? Show your work.
Part B: What are the zeros of f(x)? Show your work.
Part C: What are the steps you would follow to graph f(x)? Describe the end behavior of the graph of f(x).
Click here to see answer by Boreal(15235)

Question 970208: find the rectangular components of a force of 500 #s in a direction of 38.4 degree with the horizontal.
Click here to see answer by Fombitz(32388)

Question 970281: write the equations of the line passing through the point (2, 2) and perpendicular to the line whose equation is y = x. Complete your work in the space provided or upload a file that can display math symbols if your work requires it.
Click here to see answer by Fombitz(32388)

Question 970316: http://i.imgur.com/OQ38hve.png
Here is picture if anything came out wrong in copy/paste

Find the value of x that minimises
y = 10 x2 + 1900
x
for positive x.

2.1 (1 mark)

In order to do that first find the derivative dy/dx.
dy/dx =
Your last answer was:
20 x−1900 x−2
Your answer is correct.
The mark for your last attempt was 1.00
You previously made one incorrect attempt, and were penalised 0.10, giving an overall mark of 0.90.
2.2 (1 mark)

How many critical numbers does y have, for positive x?
Recall that a critical number of a function is a value of x for which the derivative of the function is zero or doesn't exist.
Answer:
Your last answer was:
4.56
Wrong type
Your answer should have type
integer
but it does not.
2.3 (1 mark)

What is the nature of the critical number of the previous part?
Enter m for minimum, M for maximum or i for a horizontal point of inflection.
Answer:
You have not attempted this yet
2.4 (1 mark)

Give the exact value of the x that minimises y for positive x.
x (at minimum) =
You have not attempted this yet
2.5 (1 mark)

Now give the value approximately as a 2 decimal place decimal. Now, give the approximate value (as a 2 decimal place decimal) of the x that minimises y for positive x.
x (at minimum) ≈
You have not attempted this yet
Click here to see answer by rothauserc(4718)

Question 970344: What are the slope and y intercept of the linear equation below?
y=2/3x-1
Click here to see answer by stanbon(75887)

Question 970473: Name and round each to the place indicated
413,783.8
6,726,219
8.260
7.480683
12,406,518
Click here to see answer by Alan3354(69443)

Question 970896: Our school ordered 24 new computers .1/4 of the computers will be used in the lab.Of the remaining computers , 1/3 will be placed in 5th grade classrooms.How many of the computers will be placed in 5th grade classrooms?

Click here to see answer by josmiceli(19441)

Question 970862: Express the sum in the simplest form.3x/x+5 + 7/x+5

Click here to see answer by algebrahelperer(2)

Question 970862: Express the sum in the simplest form.3x/x+5 + 7/x+5

Click here to see answer by josgarithmetic(39613)

Question 971071:
A probability experiment is conducted wich of these can not be considered a probability of an outcome: 0.23 0.995 1.234 45% 2/3 -0.66 0.45%

Can not be considered: 1.234; -0.66

Can not be considered: 0.995; 0.23

Can not be considered: 0.45%; 2/3: 45%

Can not be considered: 0.995; 0.23; 2/3

I DONT GET IT HOW DO I FIND THE ANSWER?
Click here to see answer by Boreal(15235)

Question 971208: 50 students in a class
18 studying biology
30 chemistry
25 physics
11 studing physics and chemistry
9 biology and chemistry
7 biology and physics.
How many students are studying all three subs ??
Click here to see answer by khai(18)

Question 971321: The vertex of the equation of the Parabola is y=(x-3)^2+36.
What is the standard form of the equation?

Click here to see answer by Boreal(15235)

Question 971383: Verify each identity
Cos x
--------- = sec x + tan x
1 - sin x
Click here to see answer by josgarithmetic(39613)

Question 971409: I don't know how to solve y=|x-3|+3 and also what is tge name of the equation
Click here to see answer by josgarithmetic(39613)

Question 971389: Solve
6 sin^3 x - 3 sin^2 x - 3 sin x = 0
Click here to see answer by lwsshak3(11628)

Question 971395: Verify each identity
(1 over 1 + cosx) + ( 1 over 1 - cos x) = 2 csc^2 x

Click here to see answer by lwsshak3(11628)

Question 971395: Verify each identity
(1 over 1 + cosx) + ( 1 over 1 - cos x) = 2 csc^2 x

Click here to see answer by anand429(138)

Question 971387: Simply each expression
Sec^2 x-1
--------------
Tan^2 x + 1
Click here to see answer by lwsshak3(11628)

Question 971377: Find all solutions of each equation on the interval(0, 2pi)
Sec^2 x + 2tan x = 0
Click here to see answer by lwsshak3(11628)

Question 971432: Hi,
Can you help me to solve these two questions please .

1. A company has a large supply of 8 inch by 15 inch rectangular pieces of
tin. The owner of the company decided to make them into boxes by cutting
a square from each corner and folding up the sides. The amount of money
they get depends on how much the box holds, so they want to make the
boxes with the largest possible volumes. How large a square should they
cut from each corner?
2. A missile is accelerating at a rate of 4t ݉/ݏ݁ܿଶfrom a position at rest in a
silo 45 m below ground level. How high above the ground will it be after 8
seconds?

Click here to see answer by josgarithmetic(39613)

Question 971382: Verify each identity
Csc x Tan x
---------------- = cot^2 x
Sec x
Click here to see answer by Edwin McCravy(20054)

Question 971485: Calculate the discriminant and use it to determine how many real-number roots the equation has.
3x2 � 6x + 1 = 0
Click here to see answer by Alan3354(69443)

Question 971552: My hundreds digit is twice my units digit. My units digit is one-fourth my tens digit. The product of my three digits contains one of my digits.
Who am I?
Click here to see answer by Edwin McCravy(20054)

Question 971587: Find the exact value of each trig expression
Cos (-pi/12)
Click here to see answer by Alan3354(69443)

Question 971586: Find the exact value of each trig expression
Tan 135 - tan 15
----------------------
1 + tan 135 tan 15
Click here to see answer by stanbon(75887)

Question 971584: Sec^2 x - 2tan x = 0
Click here to see answer by stanbon(75887)

Question 971645: Storge tank is 72 inches deep .3 hours after the rain started the depth of water in the tank was 36 inches after 5 hours the depth was 58 inches how many hours will it take to fill up the tank round your answer to the nearest tenth of an hour?
Click here to see answer by josgarithmetic(39613)

Question 963981: Jason. Eric and Jamie are friends in art class. The teacher randomly chooses to have the 21 students in the class to work together on a project. What is the probability that two of the three friends will be chosen?
Click here to see answer by gregsbrat(1)

Question 971707: a man starts from A and walks 65km due south to B, then walks due East to C, he is then 9km from A, How far is C from B ?
Click here to see answer by Alan3354(69443)

Question 971775: What is the smallest integer n such that n(4.09 + 3.5) is a whole number?
Click here to see answer by Alan3354(69443)

Question 971582: Find the value sin2 x on the interval (3pi/2, 2pi) given tan x = -3
Click here to see answer by lwsshak3(11628)

Question 972012: A train starts from rest and acclerates uniformly at the rate of 2ms-2 for 10. It then maintains a constant speed for 200 s . The brakes are then applied and the train is uniformly retarded and comes to rest at 50 s . Find (i) maximum velocity reached (ii) the retardation in the last 50 s , (iii) the average velocity of train.
Plzzzz solve it
Thank you
Click here to see answer by Alan3354(69443)

Question 972045: A bookseller gains 25% by selling a book for Rs. 325. Find the cost price of the book
Click here to see answer by rfer(16322)

Question 972044: 2x+� X 16x-�/ 2-x
Click here to see answer by Boreal(15235)

Question 971581: Find the value of tan2 x on the interval (0,2pi) given cos x = (5/9)
Click here to see answer by lwsshak3(11628)

Question 972289: Consider the experiment of tossing a red and green die where the number of the red die is and X2 is the number on the green die.Find F(2,3).
Click here to see answer by Fombitz(32388)

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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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