
math
Omar wanted to know if x−5 is a factor of the polynomial p(x)=x3−6x2−x+30. He applied the Factor Theorem and concluded that x−5 is a factor of p(x), as shown in the following work. Step 1: p(5)=53−6(52)−5+30 Step 2: p(5)=125−150−5+30=0 Step
asked by Noise on November 28, 2019 
Calculus
Use the fourstep process to find the slope of the tangent line to the graph of the given function at any point. f(x) = 16  10 x Step 2: f(x + h)  f(x) = Step 4: f'(x) = lim(h>0)(f(x + h) f(x))/h =
asked by Shan on June 7, 2013 
Statistics
A random sample of fortyeight 200 meter swims has a mean of 3:12 minutes and a standard deviation of .09 minute. Construct a 95% confidence interval for the population mean time. I know u: 3.12, sx: .09, n:48, c:.95 What is the formula I use to find the
asked by Brian on August 1, 2012 
Chem 2
Propane (C3H8) burns in oxygen to produce carbon dioxide and water vapor. The balance equation for this reaction is C3H8 + 5O2 > 4H20 + 3CO2. What volume of carbon dioxide id produced when 2.8 L of oxygen are consumed? Here are the steps for solving
asked by Katie on April 27, 2007 
math
An equation and the steps to solve it are shown below: 3x − one over two (8x − 2) = 4 Step 1: 3x − 4x + 1 = 4 Step 2: x + 1 = 4 Step 3: x + 1 − 1 = 4 − 1 Step 4: x = 3 Which step was the error made and why? Step 1, because incorrect signs have
asked by oscar on September 4, 2015 
math
Consider the sequence of steps to solve the equation: 5(x  3) = 7x 2 Step 1 ⇒ 10(x  3) = 7x Step 2 ⇒ 10x  30 = 7x Step 3 ⇒ 3x  30 = 0 Step 4 ⇒ 3x = 30 Step 5 ⇒ x = 10 Identify the property of equality which yields Step 5. I'm thinking
asked by Valerie on October 22, 2019 
chemistry
What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 106? Answer to two (2) decimal places. I know what steps to use but have difficulty applying them to the quesiton Can someone please complete the question for me since there are
asked by Anna on April 18, 2008 
Physics
Water flows through a garden hose that goes up a step 20.0 cm high. The cross sectional area of the hose on top of the step is half that at the bottom of the step. If the water pressure is 143 kPa at the bottom of the step, and the speed of the water at
asked by Micah on December 2, 2016 
Intro to trigonometry
If sin(theta) < 0 and tan(theta) > 0 then: in degrees. Ok I need help with this I couldn't understand the lesson and want to know how to do problems like this. Please help me by showing me step by step! Thank u in advance.
asked by Lisa on November 20, 2013 
math
Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 Which step in solving this equation is justified by the Commutative Property of Addition? Given ⇒ 2(x − 4) + 6x = 9x − 10 Step 1 ⇒ 2x − 8 + 6x = 9x − 10 Step 2
asked by Anonymous on October 25, 2018 
CHEM
The decomposition of nitrogen dioxide 2NO2>2NO+O2 occurs in a twostep sequence at elevated tempatures. the first step lis NO2> NO+O. predict a possible second step that, when combined with the first step, gives the complete reaction
asked by RAYRAY on May 16, 2011 
Math PLEASE HELP NOW
simplify the expressions... 1. (x^3)^5 2. (y^4)^5 3. 4^8/4^2(this is a fraction) 4. b^2/b^4(this is a fraction) 5. 28xy^7/32xy^12(this is a fraction) Please show me step by step because I am not really understanding these types of problems...
asked by PrimroseEverdeen on November 19, 2015 
Math
In which step is the error? Step 1: Let x = 1 and y = 1. Step 2: By substitution xy = y^2. Step 3: Multiplying both sides by 1, xy= y^2. Step 4: Adding x^2 to both sides, x^2xy=x^2y^2. Step 5: Factoring, x(xy)=(x+y)(xy). Step 6: Dividing both sides
asked by Hannah on February 1, 2016 
Math
April rewrote a quadratic function in vertex form. h(x)=5^230x+30 step 1 h(x)=5(x^26x+ )+30 step 2 h(x)=5(x^26x+9)+3045 step 3 h(x)= 5(x3)^2+15 In which step did they make a mistake? and how? Please help
asked by Alex on January 22, 2020 
Math
I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x = −6 + 10 Step 2: 7x + 8 − 3x = 4 Step 3: 4x + 8 = 4
asked by Ryan on March 30, 2017 
Algebra
Debbie finished her algebra test early so she decided to check each of her answers. After checking her answer to question #10, she realized she made a mistake in her solution. In which step does Debbie make her mistake? Original Equation: 2 + 3y = 5(y  2)
asked by jacob on September 25, 2013 
pre algebra
solve the equation step by step.list each step along with the property you used during that step. 5 x 1 x 11 x 4
asked by vanessa on November 28, 2012 
Geometry Question plz help
Could someone please explain how to figure this out step by step. I'll give you one of my problems and I'll try to figure out the rest. Directions: For each situation find the value of x and the measure of the indicated segment. 1. UY=4x3, YV=x; UV
asked by Chrissy on August 24, 2009 
Algerba
Solve for x. Round answers to the thousandths place. 3^x=17 5.667 2.579
asked by Jass on March 28, 2017 
Math/Trig
How would I evaluate these trig functions without using a calculator? U: sin(13π/6) cot 11π/6 cot(14π/4) sec 23π/6 Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D
asked by Leah on June 11, 2012 
Algebra
How do I solve for the elimination method: 5x + 3y= 7 and 7x  2y =13 (step 1); 10x + 6y =14 and 21x 6y = 39 ( step 2), 31x/31= 25/31, x= 25/31 (step 4). But after that I get lost. Can somebody help me out please.
asked by A.W. on March 6, 2009 
ALGEBRA HELP
When solving the equation, what property was used to go from step 3 to step 4? Step 1: (2x+3= x18 Step 2: 2x3=x18 Step 3: 3=3x18 Step 4: 15=3x A)APOE B)SPOE C)MPOE D)DPOE
asked by cv on October 21, 2013 
Chemistry
Hi! I need help with the step by step procedure for chemical equilibrium problems. Here is an example: Given two reactions: a. PbCl2 Pb^(2+) + 2Cl^() K = 1.76*10^(10) b. AgCl Ag^(+) + Cl^() K = 1.11*10^(4) What is the equilibrium constanct K(final) for
asked by sakura1990 on February 25, 2009 
Math
William multiplied (2x+13y)(0.5x) and got the wrong solution. Review his work and identify the step in which William made his first error. Step 1 (2x+13y)(0.5x) Step 2 (0.5x)(2x3y+1) Step 3 0.5x(2x)0.5x(3y)0.5x(1) Step 4 x^2+1.5xyx I think
asked by Cherie on June 10, 2019 
Geometry
A parabola has a focus of F(2,8.5) and a directrix of y=9.5. The point P(x,y) represents any point on the parabola, while D(x,9.5) represents any point on the directrix. Maria was asked to use the distance formula to write an equation to represent this
asked by lilbaby on December 4, 2018 
Chemistry
In a chain mechanism, a reaction in which two free radicals combine to form a stable molecule would be called the A) initiation step B) termination step C) propagation step D) inhibition step E) branching step
asked by Haley on April 7, 2015 
Algebra help
f(x)=x^34x^2x+4 How do I find the xintercept for this? This is from my book: step 1: 0=x^34x^2x+4 step 2: 0=x^2(x4)+(1)(x4) step 3: 0=(x^21)(x4) I know how to solve once I get to step 3, but in step 2, I don't know what they've done or why. Where
asked by Claure on June 16, 2009 
math
An equation and the steps to solve it are shown below: 3x − one over two (8x − 2) = 4 Step 1: 3x − 4x + 1 = 4 Step 2: x + 1 = 4 Step 3: x + 1 − 1 = 4 − 1 Step 4: x = 3 Which step was the error made and why? Step 1, because incorrect signs have
asked by oscar on September 4, 2015 
stoichiometry problems
Hey I hve problems with calculate stoichiometry problems and next week I have a test about it can someone help me out and give me a site where everything is written step by step ....thank u guys :) I REALLY NEED HELP NO JOKING
asked by Tarkan on November 12, 2010 
aps
There are 26 step on flpor at the time saad comes down two step imad step up one step When will tyey meet at what step?
asked by sayed on January 23, 2017 
Quick math help
In which step below does a mistake first appear in simplifying the expression? 0.5(12c+6)3(c+4)+10(c5) Step 1: 6c+33(c+4)+10(c5) Step 2: 6c+33c12+10(c5) Step 3: 6c+33c12+10c50 Step 4: 7c41 Please help me!!! Thank you!!
asked by Anonymous on December 11, 2013 
math
Tom is showing his work in simplifying (5.2 – 8.5) – 0.5 + 6.8. In which step did Tom make an error? Step 1:: (5.2 – 8.5) – 0.5 + 6.8 Step 2: 5.2 + (–8.5 – 0.5) + 6.8 (distributive property) Step 3: 5.2 – 9 + 6.8 Step 4: 5.2 + 6.8 – 9
asked by Gerold Humpfrey the Third on May 16, 2019 
Help PLZ!!
consider the steps to simplify the expression. Which property is used to reach Step 3? Expression: 4 3 7 + 7 + (3 4 7 ) Step 1: = 4 3 7 + (3 4 7 ) + 7 Step 2: = 4 + ( 3 7 ) + (3) + ( 4 7 ) + 7 Step 3: = 4 + ( 3 7 ) + ( 4 7 ) + (3) + 7 Step 4: =
asked by Daya on August 30, 2017 
Physics
Can someone please show me step by step how to normalize e^5x in the interval (0, infinity)? I have read a lot of different books etc but need it explained to me in plain English or showed to me step by step because I am just not getting it. Thank you
asked by Tammy on September 16, 2011 
Math
What is a good math website which'll help kids aged 56 learn? I want a website that shows you how to solve problems step by step. Problems such as addition and, subtraction. Thank you in advance.
asked by Sara on January 27, 2010 
algebra
srry if i am asking to many questions today this is my last thing plse help me how do you do problems like this find the slop and y intercept of the equation 3 y=x5/4 5/4 is a fraction how do you do problems like that plse expalin and show me step by step
asked by Amy on November 6, 2008 
Math
Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out on both problems thank you. Perform the indicated
asked by John on August 7, 2011 
geometry
The figure shows some of the steps Jane took to draw a line segment parallel to line segment XY at R. Jane plans to perform these steps next. Step 1. Set the compass at point S and adjust its width to point T Step 2. Fix the compass at point L. Step 3.
asked by Anonymous on September 24, 2011 
Business Calculus
Find the derivative of the function y=ln(7+x^2) This is my first time doing these kind of problems so please walk me through it step by step!
asked by RobBob on March 29, 2018 
solving inequality
I have two problems that Im.. having a problem with. I would like an answer but with an step by step explanation, so i can do the other 20 that are due tomorrow... lol. 1. 3x  8 > 10 2. 2x +7 ≤ 37
asked by Kali on December 3, 2008 
math
can someone explain step by step to do math problems for to solve the system ill use an example 7x3y=2 7x7x=14
asked by sherri r on January 19, 2009 
algebra functions
can someone help me with this and explain it to me step by step so i can try to solve the remaining problems i have I have no idea of what I am supposed to do f(x)=x^2: g(x)=x1/x
asked by Ricki on October 15, 2013 
Math Negative and Zero Exponents
Please show stepbystep how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^4 3. (3x^2)/y
asked by Anonymous on January 19, 2014 
Solving Inequalities?
Ive been having problems with this soo... My first problem is this: Solve 2x4(x+2)6 < 0 Can someone help me stepbystep figure this out so i can at least finish the ones that are similiar to this one? Thankies
asked by Chrissy on September 3, 2009 
algebra
i need help step by step instructions for 2 problems i got the rest but these 2 are harder 7q+2=11q8q 8(j3)=4j+9j14
asked by connie on February 21, 2008 
algebra
help me please im confused Consider the quadratic expression X^2 + 4x + c = 0. For what range of values does the equation have two complex roots? what am i doing here can someone show me step by step so i can at least try to do the other problems i have
asked by toni on October 8, 2013 
8th grade
I am having trouble with these kinds of problems and I ask my teacher but he doesnt explain it good enough. Will you please tell me step by step instructions to solve this type of problem... 2(z + 11)=6 thank you
asked by Sara on September 23, 2008 
PreCalculus II
perform the indicated operation (3sinx2)(sinx+1) I need someone who can help me to understand what I am supposed to be doing with this problem, a step by step would be increasingly helpful so that I can apply it to other problems like this.
asked by Amber Lance on January 30, 2013 
Math
How do I find (a) f*g (b) g*f (c) f*f of these problems? If you can, please show me step by step ^___^ thank you 1)f(x)=x^2 2) f(x)=3x+5
asked by Sira on September 30, 2012 
math
how do you solve these problems? 1.2x/3 + 1/3  x/8= 2/3 2. 3n + 9/10 + n/5= 2 3/10 3. 3k/4  28  2k/3 = 37 thank you can you please show me step by step how you got the answer?
asked by Sara! on June 3, 2010 
Algebra
show me step by step how to solve t hese problems. 5 7/8 +(3 1/3  1 1/2) i cannot get this down please help
asked by Sharon on October 15, 2013 
algebra 1b
i need to know how to solve certain problems like this 4x=2y10 x+2y=5 i need examples of this and shown to me step by step
asked by erica on March 21, 2009 
Calculuscomplex numbers
let z= a+bi be a complex number. it is given that the quotient (zi)/(z1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my times symbol) step1:
asked by Anne on March 12, 2008 
Math
Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need to show the work on both problems thank you. Perform the indicated operations
asked by John on August 7, 2011 
Trig
Find the value of the six trigonometric functions. t = 7(pi)/4 Can you show me step by step so I can see how this is solved? Also, do I need to graph this first in order to understand or begin the problem? I am trying to self teach  but having problems.
asked by Mars on October 5, 2010 
algebra 1
ELEMENTARY ALGEBRA #3 Page 23 Chapter 3 Lesson 3.02 Solving Multistep Equations Reading Assignment: Study pages 126 – 129 Written Assignment: There are five steps to solve MultiStep equations, Match them in their proper order. Step 1 Undo
asked by Kyle on March 9, 2009 
english!
Make sure you understand the topic(s) is a step in the research process. (A) This step needs to be done as soon as your research is completed. (B) This step is the last step in the research process. (C) Always ensure you grasp the topic before you go to
asked by *Thara* on February 3, 2010 
Chemistry Urgent
Consider the following problem: Target: 2NOCl(g) ? N2(g)+ O2(g)+Cl2 (g) ?Hrxn= ? Steps: 1. 1/2 N2(g) + 1/2 O2(g)? NO(g) ?H= 90.3 kJ 2. NO(g) + 1/2 Cl2(g) ? NOCl(g) ?H= 38.6 kJ As you determine the ¥ÄHrxn value for the target equation above, what must be
asked by David on March 9, 2014 
Chemistry
Consider the following problem: Target: 2NOCl(g) ? N2(g)+ O2(g)+Cl2 (g) ?Hrxn= ? Steps: 1. 1/2 N2(g) + 1/2 O2(g)? NO(g) ?H= 90.3 kJ 2. NO(g) + 1/2 Cl2(g) ? NOCl(g) ?H= 38.6 kJ As you determine the ¥ÄHrxn value for the target equation above, what must be
asked by Anna on March 9, 2014 
Math
I am currently doing a question in which the equation is dN1/dt= N1 + 0.1N1*N2 However, I am able to follow until the step of N1(1  0.1N2) after that I'm not able to follow to the step of (1)N1 (1N2/10) Can someone please explain to me how we went
asked by Sally on April 24, 2018 
prealgerbra
step by step how to solve algerba problems
asked by Carus II on August 3, 2011 
algebra
can you help me solve these problems step by step? 9(6+u)2u=10 and 13x+7(3x1)=63
asked by girl09 on January 27, 2009 
MATH
Hannah is showing her work in simplifying (6.1 − 4.5) − 2.5 + 3.9. Identify any error in her work or reasoning. Step 1: (6.1 − 4.5) − 2.5 + 3.9 Step 2: 6.1 + (− 4.5 − 2.5) + 3.9 (associative property) Step 3: 6.1 − 7 + 3.9 Step 4: 6.1 + 3.9
asked by I need you Ms. Sue! on August 17, 2016 
algerbra
solve the equation step by step list each step along with the property you used during that step 5*1*11*4
asked by amanda on April 19, 2013 
Algebra1
I am solving for linear equations and I'm wondering if I did Step 3 right.. 3xy=8 xy=8 Step 1 3xy=8 3xy+y=8+y 3x=8+y 3x/3=8+y/3 x=(8+y/3) Step 2 3(8+y/3)y=8 8+yy=8 8+2y=8 8+2y8=88 2y=0 2y/2=0/2 y=0 Step 3 x=8+y(0)/3 x=2.6
asked by Samantha on April 18, 2010 
Math (Check 2 answers please)
1. What is the value of b in the equation b + 8 = 13? A. 5**** B. 8 C. 13 D. 21 2. The steps below show the incomplete solution to find the value of x for the equation 7x − 3x − 4 = −1 + 21: Step 1: 7x − 3x − 4 = −1 + 21 Step 2: 7x − 3x − 4
asked by Alex on March 30, 2017 
Quadratic Equations
Can anybody tell me step wise step how to solve this quadratic equation? x^33x^2+4=0 Please tell me step wise step as i haven't solved such type of equations before. Thank You
asked by Akash on April 14, 2011 
Physics
An arrow is shot straight up from the edge of a cliff with an initial velocity of 50 ft/s. Answer the following questions using English units. The acceleration due to gravity has a magnitude of 32.2 ft/s. A. Find the time to reach the highest point.
asked by Maggie on August 21, 2016 
Rate determining step
I don't understand how to get a rate determining step. I have an energy diagram for a twostep conversion where the first step Ea is about 18 units. The energy then goes down about 4 units and rises again about 10 units to the peak of the second step. Why
asked by Sheryl on December 5, 2006 
Chemistry
Determine the number of grams of NH3 produced by the reaction of 3.5g of hydrogen gas with sufficient nitrogen gas. All of these stoichiometry problems are work almost the same. Sometimes an extra step or two are required. Here are the basics. Step 1.
asked by Sara on January 23, 2007 
math
1: Connor drives an an eighteenwheeler. It cost Conner $456 to fill the truck up with diesel fuel. If diesel fuel cost $3 a gallon, how many gallons of fuel were bought? a: 148 b: 152 c:156 d:164 2: The temperature started at 35°F. If the temperature
asked by monokumaa11037 on May 11, 2019 
Physics  Bernouli
Water flows with constant speed through a garden hose that goes up a step 20.0 cm high. 1. If the water pressure is 143 kPa at the bottom of the step, what is its pressure at the top of the step? Now suppose the cross sectional area of the hose at the top
asked by Chong on November 14, 2012 
Precalculus
Hello, Thanks for all of the help guys. I really appreciate it. I was woudnering if you could show me how to do this step by step and the thought process that goes through your head while you do this. This way I will be able to try to solve some of these
asked by Kate on January 5, 2010 
chemistry
1)Thallium (I) is oxidized by cerium (IV) as follows: Tl+ + 2 Ce+4 Tl+3 + 2 Ce+3 The elementary steps, in the presence of Mn(II), are as follows: Step 1 Ce+4 + Mn+2  Ce+3 + Mn+ Step 2 Ce+4 + Mn+3  Ce+3 + Mn+4 Step 3 Tl+ + Mn+4  Tl+3 + Mn+2
asked by treasa on March 22, 2015 
math
10a) Simplify the expression and explain each step. 12 + 3(2y – 3) Step 1: apply distributive property Step 2: combine like terms Step 3: simplify b) Factor the expression completely. 18b – 12 What is the GCF of 18 and 12? Use ladder method or listing.
asked by help on November 13, 2017 
Algebra
Can someone please help me with math problem and explain to me step by step how to solve it so I will know how solve other problems like this Thank you in advance Multiply and then, if possible, simplify by factoring /7x /21y
asked by Anonymous on February 28, 2012 
Algebra
Hi. I need help on a couple of algebra problems. Can you please explain step by step how to do these? Thanks. ã(3x (whole thing has radical sign)  2y^3 ^3(ã2x^4y^4)  (the whole thing is cubed 9x
asked by Serena on August 26, 2013 
chemistry
Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= 38.6 kJ As you determine the ¥ÄHrxn value for the target
asked by peterson on March 8, 2014 
chemistry
Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= 38.6 kJ As you determine the ¥ÄHrxn value for the target
asked by Anna on March 9, 2014 
Chemistry
Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= 38.6 kJ As you determine the ¥ÄHrxn value for the target
asked by David on March 9, 2014 
Math
can someone sow me step by step how to evaluate the integral of the square root of x^3 using a u substitution? I don't understand this topic and I have a lot of problems to do like this so can someone just sow me so I can see the process? Thanks.
asked by kelli on February 21, 2010 
algebra functions
can someone help me with this and explain it to me step by step so i can try to solve the remaining problems i have I have no idea of what I am supposed to do For each problem, construct two composite functions, . Evaluate each composite function for x=2.
asked by Ricki on October 16, 2013 
MATH
A student is solving the equation 81x – 1 = 3x + 2. Step 1: 81x – 1 = 3x + 2 Step 2: (34)x – 1 = 3x + 2 Step 3: 34x – 4 = 3x + 2 Which is the next step? Possible answers 4x 4 = (x + 2) x 1 = x + 2 4x 4 = x + 2 4(x 1) = 3(x + 2)
asked by Deadly on February 28, 2012 
Precalculus.
Wesley and Delia are playing a math game. Wesley gives Delia these step to follow. Step 1: Multiply a number by 6 and then subtract by 4. Step 2: Divide the result by 2 Step 3: Add 3 to the result from the second step. If Delia's final answer is 19, What
asked by Isis on March 25, 2013 
algebra
In finding distance problems i understand the use of formula of d/rt then what i do not understand is the giving solutions in 3 decimal places. Can someone give an example step by step? The answer I do not need it is how to do it? Textbook says use
asked by Mary on May 28, 2010 
precal
4=2cos(pi/6t2pi/3)+4 How do i solve this step by step ith justification for each step? super frustratd thankyou
asked by wendell on June 8, 2012 
PreAlgebra
I'm stuck on these two problems; can someone show me how to solve them stepbystep? Thanks 1.A baseball diamond is a square 90 ft on each side. How far is it diagonally from home plate to second base? 2.An equilateral triangle has sides 10 units long.
asked by mysterychicken on June 6, 2009 
precalculus
Which of the following would be the best first step when solving the following system using the substitution method? • x  y = 4 ; • x + 2y = 5 x = 4  y x = 4 + y 2y = 5  x 2y = 5 + x I have solved the equation but I am unsure which is the best
asked by Anonymous on November 28, 2016 
Math
Find the value of the following expression: (2^8 x 5^5 x 19^0)^2 x (5^2/ 2^3)^4 x 2^28 I tried to do a couple steps to solve the question but I don't know if its right. Step 1:(2^8 x 5^5 x 19^0)^2 x (5^2/ 2^3)^4 x 2^28 Step 2: (2^16 x 5^10) x
asked by Camm on October 25, 2016 
Maths
Differentiate y=(5x2)^3(3x)^6 using the product rule. i don't get the step where they find the common factor could you help me by doing it step by step please ? thank you!
asked by Karoline on November 21, 2009 
math
a rectangle is to be inscribed under the arch of the curve y = 2cosx from x=pi to x=pi. What is the length of the base of the rectangle with maximum area? can someone help me with this....i have a lot of problems to do just like this but i don't
asked by kelli on December 9, 2009 
Help on PreCalc
Hi Tutors, I've tried solving the problem below, but I keep getting it wrong. I've solved 3 similar questions thanks to Reiny and Steve, but this one, in particular, is giving me problems. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Use the given information to
asked by chizoba on August 15, 2016 
algebra II
Thank you for your prompt response. I have my homework I have to turn in in about 2 hours, but i am struggling to solve this question. Is there any way you can just give me the answer while I find a website that can show me step by step how to solve these
asked by esther on February 26, 2011 
math/algebra
solve each of the following systems by substitution. 16) 5x 2y = 5 y  5x = 3 20) 8x 4y = 16 y = 2x  4 28) 4x 12y = 5 x + 3y = 1 Step one: Solve on of the equations for one of the variables. y=2x4 Step two:Substitute the expression for the variable
asked by Diana on June 7, 2007 
Math
Here's a couple examples from my homework. If someone could help me solve this by showing me step by step what to do, it would be so great. Also, any websites that would show me the steps too. Thanks so much. I have to get all my work done by tomorrow and
asked by Tessa on March 15, 2009 
Physics
A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its center. It is rotating counterclockwise with a speed of 2.5 m/s. Can someone please step me through the problem step by step?
asked by Kayla on September 19, 2010 
Mathematics
I have three questions... Okay think of a 19 multiplication table. 1. Are there more odd or even products? How can you determine the answer without counting? 2. Is this different from a 19 addition facts table? Explain. And for the last one don't use the
asked by June on September 7, 2008 
math
Natasha has to determain the number of toothpicks in the 15th step, step one has four toothpicks step two has 12 toothpicks and step three has 24 toothpicks. She does not want to draw 15 pictures then count the toothpicks. Explain or show how she could do
asked by molly on September 20, 2009 
math
For each of the following expressions, show each step a student would folow to mentally perform the calculations in the whole numbers. For each step, identify the law, definition , axiom ec that was used to roduce that step. 125x 15x 3 x 8
asked by lalone on January 25, 2009 
Math
Step 1 = 3 boxes Step 2 = 6 boxes Step 3 = 11 boxes Step 4 = 18 boxes How many boxes at step 50? Which one? 100, 102, 2500, 2502 How would I solve this?
asked by Amy on October 11, 2010