Do I solve this by multiplying 1.8645 by 1.14?
24,487 results

Chemistry
Do I solve this by multiplying 1.8645 by 1.14??The equation of your calibration curve from a spectrophotometry experiment was y = 1.8645x. Assuming your calibration curve is set up exactly like it was in lab (concentration in mM on the x axis and absorbance on the y axis), ... 
Calculus
1/a+1 + 1/a1 I solved this out by multiplying the (a+1) by (a1) and multiplying (a1) with (a+1) To get (a+1)(a1) as the denominator. Then I did the same with the numerators and got this: 1(a1) + 1(a+1)/(a+1)(a1) And I got 2a/(a+1)(a1) But still sometimes this process ... 
Algebra
I am trying to solve the sytems of equations using the elimination method. 2x+4y=10 3x+3y=6 I tied multiplying the first equation by 2 and the second by 4. Then I tried multiplying the first equation by 3 and the secondy by 3. The book says the answers are 3,1. I am not ... 
Algebra 1
Solve the equation by multiplying each side by the least common denominator. 2/h2 + 4/h+1 = 0 I know the answer is 5, but I do not know how to solve the problem. Please explain further. 
Algebra
40 =15 x x  20 This is a three part question>> first find the lcd method of solving this equations, and the second ones about crossmultiplying method to solve this equations ,The next question asked would the cross multiplying method work for all rational equations?? ... 
chemistry
I need to find how many grams phosphorus (P) are in 0.8645 g sample of MgNH4PO4 x 6H2O How many grams P2O5 can be calculated with this many grams of P What is the percent P (as P2O5) in this 
Algebra HELP
Is there any difference between multiplying fractions and multiplying rational functions? What is it? 
math
how is multiplying integers is like multiplying whole number? 
math
solve: a+13 a11  =  3 2 plz help...do we do this by croos multiplying??? 
Math help, anyone?
Solve by multiplying or dividing integers. 1. –4(3) 12 –12 2. 27 ÷ (–3) 9 –9 3. –40 ÷ 8 5 –5 4. 6(–5) 30 –30 5. 3(–3) 9 –9 6. –56 ÷ (–7) 8 –8 7. –7(–2)(2) 28 –28 8. 18 ÷ (–2) 9 –9 
Math
4x2y=7 3x+6y=9 Please help me solve this system by multiplying 
ALGERBA
x5 x1  =  2 3 Solve for x. I understand there is crossmultiplying involved. 
Multiplying and Dividing Rational Expressions
solve 81x9/y4* x2/36x5y 
5th grade math (dividing fractions)
Hi.. I need help figuring out this problem, sovling for x: 3 divided by x/9 = 5 and 2/5 I was able to solve: x divided by 3/4 = 6 by multiplying 6 x 3/4 = 4 1/2. Just not sure how to solve the first problem. If I change 5 2/5 into mixed number,I still don't know what to do ... 
algebra 1
I'm stuck on this problem. Can you help? 4x9y=1 x + 2y =4 WHat is x and y? Two equations in two unknowns. Here is a quick way to solve them 4x  9y = 1 4x  8y = 16 (I got that my multiplying both side so the secind equation that you provided by 4) Now add the two ... 
trigonometry
(3^m)(5^(m+1))=12^(2m1) not sure how to solve this but I think you use natural logs? I'm just stuck because the first two are multiplying and not adding and we didn't go over this 
Inequalities
Write two different inequalities that you can solve by adding 5 and multiplying by 3. 
Math help please
Show that one and only one out of n,n+4,n+8,n+12,n+16 is divisible by 5,where n is any positive integer. A two digit number is obtained by either multiplying the sum of the digits by 8 and then subtracting 5 or by multiplying the differences of the digits by 16 and then adding... 
08.02 Multiplying and Dividing Rational Expression
Can someone solve these for me?Can someone correct meif I didn't type these right 1.(m2)/(m5)*(m+5)/(m2) 2.4(x+2)/5x*(6x^2)/2x 3.(25x^2)/12*6/(5x) 4.(a^29)/a^2*(a^23a)/(a^2+a12) 5.(5x5)/(16)/(x1)/6 6.(63x)/(5)/(4x8)/25 7.(x^29)/(4X+12)/(x3)/6 8.(x^2+13x+12)/(x+2... 
Math
I need help not sure if I'm doing this correctly. Parts of parts: Find each of the following parts of parts without drawing a diagram for each problem explained clearly A) 2/3 of 2/7 I think it's 4/15 because your multiplying. B) 6/11 × 2/7 I think it's 12/77 your multiplying... 
Algebra
please solve x+5y=10 2x10y=20 Since the second equation can be obtained from the first (by multiplying both sides by 2), they are not independent and there is no unique solution. There are an infinite number of x,y combinations that are solutions. 
Algebra 2(check) cont..
1)solve the inequality 3(r11)+15>_9 my answer = r<_13 2)solve the inequality 2<4z+10<_12 my answer = 3<z<_1/2 3)solve the inequality 2x5<_10 or 334x<5 my answer is x<_15/2 or <7 4)solve the inequality 3(absolute bars m4)>6 my answer is m... 
physics
How is entropy calculated in the general case? Answer a. By determining the amount of heat absorbed. b. By multiplying P times Î”V and summing over small increments. c. By summing over momenta and positions. d. By summing over probabilities of microstates and multiplying by k. 
pre cal
Use factoring to solve the polynomial equation: HINT: Try multiplying each side of the equation by a number to eliminate the denominators. x2/162 + X/18 + 1/9 =0 
Science (Chemistry!)
I just do not understand ANYTHING about multiplying/dividing/adding/subtracting significant figures! For example, the problem is: Solve the following to the correct number of significant figures: (5.039)(0.0074) What am I supposed to do? Just multiply the numbers? What does ... 
math
Review example 2 How does the author determine what the? Example 2. Translate. The first row of the table and the fourth sentence of the problem tell us that a total of 63 pupae was received. Thus we have one equation: p+q=63 Since each pupa of morpho granadensis costs $4.15 ... 
Ratios and proportions
RATIOS AND PROPORTIONS x 3  =  4 2 The boards don't post spacing as we would wish. I suppose the problem is x/4 = 3/2. Multiply left and right sides by 4. That will "cancel" the 4 in the denominator of the left side. Now multiply both sides by 2. That will "cancel" the 2 in ... 
Multiplying and Dividing Rational Expressions
Can someone solve these for me?Can someone correct meif I didn't type these right (m2)/(m5)*(m+5)/(m2) 4(x+2)/5x*(6x^2)/2x (5x5)/(16)/(x1)/6 (63x)/(5)/(4x8)/25 (x^29)/(4X+12)/(x3)/6 (x^2+13x+12)/(x+2)/(x+1) or can someone do a few for me 
math
how many side and angles does a trapezoid angle, hexagon, and pentagon have? solve each equation: 13 + y = 3, 3y + 8=3, y over 3= 9 need help with + &  rules for adding whole numbers, decimals, fractions and integers ( do not understand) and rule for multiplying + &  
math
find derivative using limit definition: f(x) = x  sqrt(x) so f'(x) = lim h>0 [f(x+h)  f(x)]/h but I keep trying to solve by multiplying by the conjugate but I can't figure it out..there's nothing that can be cancelled or anything and I can't get the derivative 
math/multiplying decimals
I know how to multiply ,but i have to use it in a model. 0.2 x 0.7 the answer is 1.4 show my how to use a model to solve. 
algebra2
1/3  5/6 = 1/X SOLVE 1/3  5/6 = 1/X Let's remove the denominators by multiplying by 12X 12X*(1/3)  12X*(5/6) = 12X*(1/X) Clear the fractions. 4X  10X = 12 6X=12 multipy by 1 6X=12 Divide both sides by 6 6X/6 = 12/6 X = 2 Check my work. 
Algebra
This question has been posted before, unfortunately, I have been out of high school for over 40 years and out of college for more than 20. I am trying to help another old relic enrolled in distance learning (via long distance phone calls) but neither of us seem to know where ... 
Physics/Math help please
Two particles with positive charges q1 and q2 are separated by a distance s. I got up to here: (kq1)/x^2 = (kq2)/(sx)^2 I now have to solve for x by cross multiplying and using the quadratic equation but I can't seem to isolate x without it being canceled out. =S 
MATH PLEASE CHECK IT!!2
m2/m5*m+5/m2=1 If your problem is this: (m  2)/(m  5) * (m + 5)/(m  2) = 1 (m  2) cancels out in both the numerator and denominator on the lefthand side since you are multiplying. That leaves us with this: (m + 5)/(m  5) = 1 To solve for m: Multiply both sides by (... 
Math
In a mixed number or fraction problem, you have dividing and multiplying. Now if you were given a list of multiplying and dividing mixed number and fraction word problems, how can you tell the difference between multipling and divinding word problems. It would be easier to ... 
calc
find derivative using limit definition: f(x) = x  sqrt(x) so f'(x) = lim h>0 [f(x+h)  f(x)]/h but I keep trying to solve by multiplying by the conjugate but I can't figure it out..there's nothing that can be cancelled or anything and I can't get the derivative sorry this... 
Chemistry
How can Ag2Cro4 have a four on the O? Ag has a charge of two, so multiplying it by 2 would give me two, but multiplying Cr, with a charge of two (one of its few choices) by four would give me eight. How does that balance? Thank you so muh for checking on this. 
pre algebra
14 is what percent of 200 100/200 =x/14 read as 100% is to 200 as x% is to 14 solve for x by cross multiplying x=7 check it .07 times 200 = 14 vola! 
math
Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a quadratic equation to... 
chemistry
Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL. a. ) 0.77 b. ) 0.83 c. ) 0.90 d. ) 0.98 e. ) 1.01 i got c) by converting density into concentration (mol/L) and then, multiplying by 0.248. next, i ... 
Math  Another question to check, sorry... =/
7. 72 is what percent of 480? Write and solve an equation to solve the problem. Step 1. First, I will write out the equation. part = percent x whole Step 2. Now, fill in the parts… 72 = p x 480 Step 3. I will simply divide 72 by 480, which will be 0.15. Step 4. The decimal ... 
math
Tarique drew this model for a problem : 2/5 2/5 2/5 2/5 2/5 2/5 (5 2/5 ) write 2 problems that can be solved using the model one of the problems should involve multiplying a whole number by a fraction. The other should involve multiplying a fraction by a whole number. 
mathcalculus
so with this one i do the same thing multiplying what inside absolute value bracket bar with what outside? 2x82 = 4x so that start me off as 4x+16 = 4x or 4x16 = 4x. solve equation x^22x6 = 4 this nothing to do with factoring right? i just add six to both sides and ... 
Math
I need help with this question: Estimate the product by rounding to the nearest one 6.38 times 18.716 I said on my assignment 120 and my teacher marked it wrong. She said it's 114, and I donot see how it's 114. Any input, would certainly be welcome. Thank you! By rounding to ... 
inequality
(x4)/(2x+4) is greater than or equal to 1. How do i express solutions to inequalities in interval notation without using the calculator? please help. (x4)/(2x+4) >=1 multiplying by 2x+4 1) when (2x+4) is +, x4>=2x+4 or x2x>=8 x>=8 x<=8 notice the ... 
algebra
I need help on multiplying and dividing functions. I've seen videos and read and read examples but I still don't get it. I did the last problem which looked like an example I had read but I still don't know if I did it right: f(x)=2x+1 g(x)=3X+2 F(3)/g(2)= F(3)=2(3)+1=7 G(2)=3... 
Algebra
Solve for s: h=(square root of 3)times s/2 and solve for h V= (pi)r squared h / 3 Solve for s: h=(square root of 3)times s/2 Multiply both sides by 2. 2h = (sqrt 3)*s*2/2 which cancels the 2 on the right. 2h = (sqrt 3)*s Now divide the right side by everything except what you ... 
physics multiplying vectors
n the product F = qv · B , take q = 4, = 2.0i + 4.0j + 6.0k and = 136i 176j + 72k. What then is in unitvector notation if Bx = By? ~~may i get some assistance in this problem? so far.. i tried this.. 136i176j+72k = 4(2.0i+4.0j+6.0k)(B) 136i176j+72k = (8i+16j+24k)(B) [(... 
Math
How do you divide fractions??? Cross multiply: For example, 4/5 divided by 6/7 would be 28/30 or 14/15. 3/4 divided by 2/3 would be 9/8 or 1 and 1/8 Actually, the word cross multiply is a misnomer. What is being done is multiplying by the reciprocal for instance 4/5 divide by ... 
Chemistry
I'm not really sure how to do this. I've tried many ways and I can't get the right answer of 0.0569 mol/L H3PO4 100.0 mL of a solution containing 2.55g of potassium hydroxide is mixed with 100.0 mL of a 1.50 mol/L phosphoric acid solution. Will the resulting mixture be acidic ... 
math
how do you solve for zero for this equation? (2/3)X 12 (20/X^2) (2/3)X 12 (20/X^2) = 0 > 2/3 X^3  12 X^2  20 = 0 > X^3  18 X^2  30 = 0 Numerical solution: You see that for X = 18 the first and second term cancel, so the left hand side is 30. For X that ... 
Math
Solve this equation algebraically: (1sin x)/cos x = cos x/(1+sin x)  I know the answer is an identity, and when graphed, it looks like cot x. I just don't know how to get there. I tried multiplying each side by its conjugate, but I still feel stuck. This is what I have so ... 
math
How is percent composition calculated? A. Dividing the mass of each element in the compound by the total mass of the compound and then dividing by 100% B. Dividing the mass of each element in the compound by the total mass of the compound and then multiplying by 100% C. ... 
Math
A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school banner and has a length of 22 inches. What is the ratio of the area of the school banner to the area of the sign? What is the ratio of the areas? I ... 
Math
Well in school we were reviewing percents, and one of the main things being discussed was how to convert between fractions, decimals, and percents. However I didn't understand how she explained converting fractions to decimals. She said that on the test we weren't allowed to ... 
multiplying
15xy (x=y) 
math
simplify: x^(3/2)(x + x^(5/2)  x^2) add exponents when multiplying. For instance, the first term above x^3/2 * x=x^3/2 * x^2/2=x^5/2 add exponents when multiplying. For instance, the first term above x^3/2 * x=x^3/2 * x^2/2=x^5/2 ok, so would the answer be x^3 no. I will be ... 
math ,hep, plz
can someone help explain this for me please... Problem #1 What values for x must be excluded in the following fraction? (x+5)/(1) Problem #2 what values for x must be excluded in the following fraction? (x3)/((4x5)(x+10)) When working with fractions, the denominator (part ... 
MULtiplying Binomials
WHATS (3N+2)(N+3) 
Multiplying
(81a^2/2a^24a+2) * (2a2/9a) Please help. Thanks 
Multiplying Decimals
14.83x16.7 
Math
We have an important chemsitry test due and I want to make sure that I do not mess up on my algebra. I am dealing with the integrated rate law, but my question is purely algebraically in nature. I hope, somebody can help me. 1) ln(A) = kt+ln(B) solve for t solve for k solve ... 
calculusintegration
integrate 2/xln^4(x)...plz help me..give me an idea on how to start..plz The derivative of the ln(x) function is 1/x and this is multiplying the ln^4(x). You can thus write the integral as: 2 * 1/5 ln^5(x) + constant. is that the answer? wut about the x infront of ln^(x)...... 
Algebra 1
REINY, Thank you for your answer and the answer is obviously correct when you go back and do the multiplying ......however , I do not just want the answer, I desperately wish to understand from start to finish how you got the answer. I am sorry if I seem stupid, really , but ... 
math,algebra
Use the five properties of exponents to simplify each of the following expressions (y^5)^3(y^3)^2 divided by (y^4)^4 can someone show me how to solve these types of problems (y^5)^3= y^15 multiply the powers (y^3)^2=y^6 multiply the powers again as you have a power raised to a... 
algebra
multiplying square roots 
9th grade
Multiplying Binomials (b6)*(b+3) 
8th grade
How do you do (3x4)^2??? This is multiplying polynomials... 
mathmultiplying
3/1 * (6/5) = 3 and 3/5 is this the correct answer? 
algebra
how to clearing decimals multiplying by 10 
multiplying decimals
how do you multiply 2.08 times 0.9 
multiplying fractions
5/7 * 9/10 = 9/14 Should my answer be 45/70 or 9/14? 
Math
Solving systems by Multiplying. 4x2y=7 3x+6y=9 
MATH PLEASE CHECK IT!!2
sqrt2/sqrt10 here is what I got: sqrt (2/10)= sqrt (1/5) sqrt 0.2 * I don't think that it is right but pleasee check it.Thanks Yes, that is one way you could do it, then simplify further by taking the square root of 0.2, but you are probably supposed to simplify like this: &#... 
computer science
I have a project due May 17. I have to create a math game using a GUI/Menu. The game has to give the user the option to chosse between which subject they would like to work on: adding, subtracting, dividing, multiplying integers; adding, subtracting, multiplying decimals; ... 
Algebra word problem
I have no idea how to start this problem can some one explain to me am i suppose to divid 1/10 by 1/4 which i get 4 but i feel i am missing some thing am i am Fungicides account for 1/10 of the pesticides used in the United States. Insecticides account for 1/4 of all the ... 
algebra
Factor  check by multiplying Is this right? x^26x = x^2(x6)??? 
algebra
Factor: check by multiplying x^26x Is this correct? x^2(x5) 
Math
What is the rule for multiplying or dividing fractions? 
10th grade
please so by multiplying binomials (x+6)(8xx) 
ALGEBRA
with multiplying this: 9y^29)(8y^29y+3) I have: 8y^2(y^29)9y(y^29)+3(y^9) THEN 8y^2*y^299y*y^29+3*y^29.... THEN 8y^8  6 ??? I think that I am lost 
math
multiplying fractions and whole numbers 72 x 5/8 = 
math
multiplying fractions and whole numbers 5/6 x 84 = 
math
[4]5.1=4.4.4.4.1    = 5 4 5.5.5.5.5 simplify by multiplying. what is the final answere. 
Math / Fractions
I am having a hard time figuring out how to solve these fraction word problems. For example: A patch of dirt needs 3 5/6 cubic yards (yd3) of concrete to cover it. If Nick decides to cover only 3/4 of the dirt . how much sod does he need. How do I work this problem? It has ... 
Alebra
Solve 5m  8 > 12 Solve 12  3a > 18 Solve 5m  4 < 2m + 11 Solve 2r  18 ≤ 5r + 3 Solve 26p  20 > 14p + 64 Can someone give me an example to one of these? I don't know how to do these. 
pre algabra
multiplying a poss with a neg 20r=20 
Algebra II
Does anyone know of a good site that would help me with multiplying matricies? 
math
is there any way to get the answer of 13 and 54 by multiplying? thank you very much 
4th grade
How can you show without multiplying that 4/9 is greater than 0.4? 
math
125x.1 explain the decimal movement when multiplying by .1 
math please help
multiplying a number by 6/4 is the same as dividing it by? is it 3/2 or 4/3 
algebra 2
3/8 * 2/7 * (3) Its multiplying fractions, but it wants the answer in simplest form! 
maths
compplex numbers multiplying complex and not: 3*(6j8) also, 3+(6J8) 
multiplying fractions
2/11 * 264 = 528/11 Is the answer correct? 
Mathematics question
It was...the subject is FOILs,I thought we needed to put what we were doing in the subject... Subject area needs to be properly stated. This is not FOIL. That is multiplying of two binaries as in (a+b)(c+d) Here you are to factor. take the first: 4x^2(3x^2x+1) 4x^2(3x+1)(x... 
MATH PLEASEEEEE
I have a question, if f(x)=x/2 and g(x)=3x+1 find: a) (f+g)(x) i know you go x/2+3x+1. but how do i solve that?? b) (fg)(x) i know you go x/23x+1, how do i solve? c)(f*g)(x) how do i solve? (f/g)(x) how do i solve?? f(g(x)) how do i solve?? thanks for your itmeee 
HELP ON MATH!!!!
1)There are 18 blue balloons at Janice’s birthday party, and 1/3 of them have a prize in them. How many balloons have a prize? 2) Kyle is making Strawberry Shortcake. He cut some strawberries and put them in a measuring cup and saw he had 1 and 1/2 cups of strawberries. He ... 
7th grade math
Can you check the following? 1. (1/3)x = 5 multiply both sides by 3 because dividing by fraction is same as multiplying by its reciprocal, right? Ans: 5(3)= 15 2. x  (3) = 8 + (3) + (3) x = 11 3. The signup fee to join Flexible Fitness Gym is $25. The monthly fee is...