barb

This page lists questions and answers that were posted by visitors named barb.

Questions

The following questions were asked by visitors named barb.

The half-life of polonium is 139 days, but your sample will not be useful to you after 95 % of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the pol...

2- The earth’s atmospheric pressure p is often modeled by assuming that the rate dpdhat Which p changes with the altitude above sea level is proportional to hp. Suppose that the pressure at sea level is 1013 millibars (about 14.7 pounds per square inch) a...

I need help unscrambling these letters to get the name of a city...kamwaiya

How do i use a calculator to figure exponents. Example: 1.022 to the 50th power.

discuss the organization of a technical scientific paper

I have a book on finding what you need for critical thinking as for as questions and answers please if I can help let me know. Critical thinking happens to be one of my courses.

x + 3 + 4x = 23 What is x?

computer upgrades are great but what's one to do when there is no manuel for teaching the new upgrades? my question: has anyone found an apple manuel (book of info) that has the in(s) and out(s) for leopard X.5.4???

why does the inequality sign change when multiplying or dividing by a negative number? does this happen with equations?

Find four to six credible Web sites or articles that support, oppose, or present information about bilingualism in education or politics. I just need help knowing where to look...thanks...

i need to find a website that i can down load a copy of an adult psychologial treatment form...where can i find one????

for the hardy-weinberg equation, is p always for the dominant allele and q recessive? is the value of p always greater than q?

4. Assignment: Photosynthesis and Cellular Respiration Powerpoint Energy acquisition is essential for all life. Whether the organism is classified as plant or animal, single-celled or multicellular, the exchange of energy and the formation of products con...

solve -3.4-(-7.6)

This problem is in chapter 9 page 708, problem 58. It looks like it could be solved two ways. 16 div. by (-2)*(-4) --------------------- 2^ +4

Ms. Sue that would make it 2/2to third power +4. Am I on The right track?

16÷(-2)◦(-4) ______________ 2³+ 4 16÷8 _______ 8 + 4 2 = 1 12 6 There is supposed to be a line under the first part of the problem making it a fraction.

4-(-3)+1 2-2÷(-2) There is supposed to be a fraction line in between the sets of numbers. I do not know how to make my computer underline this.

what is the area of a square measuring 5 inches on all 4 sides

find 45 divided by 9 by repeated subtraction. Should I repeat by subtracting 9 everytime or 5 everytime?

divide 5 1/2 divied by 4 3/5 answer in simplest form. does simplest form mean a mixed number or decimal? I got an answer of 1 9/46 or 1.195652...

Estimate the following product. 6/1/8 * 7 4/5 should I just multiply 6 * 8 to get an estimation?

which pair of fractions is proportional A)0.8/0.4=3.2/2 B)0.6/0.3=0.9/0.45 C)0.8/0.4=3.2/2.4 D)0.8/0.4=4/2.4 I thought B was correct. to get this i multiplied 0.6 *0.45=.27 multiplied 0.3 *0.9=.27 Am I on the right track? I multiplied the opposites of eac...

if the electricity bill increased from $10,000 to $13,000 in a year, to the nearest whole percent, what was the rate of increase? I need to see how to work this one. I divided 3,000 by 10,000 and got.3 What is that in percent and is this even the right wa...

Identify the base in the following application: The sales tax rate is 8%. If you pay a tax of $2.50 on an item, what is the selling price. I don't know what the base is or how to solve the problem.

Identify the "Base" in the following application: The sales tax rate is 8&. If you pay a tax of $2.50 on a purchased item, What is its selling price? Should this question be changed to a statement to make it easier to identify the base? For example: If I...

The square root of 21 is between what two whole numbers? I got 4 and 5 , is this correct?

I am going to try to underline this problem: -21-(-9) _________ -21-(-21) is this -12/0 undefined?

46. Perform the indicated operation. -21-(-9) divided by -21-(-21)

evaluate[-24]-[-22] the brackets are supposed to be "bars". Is this the same as saying 24-22? do the bars mean the "absolute value" of the number? If so, is the answer 2?

-4/5 + (-3/4) how do I work this

The sales tax rate in a state is 8%. If you pay a tax of $2.50 on an item purchased, what is the selling price? Plaese identify the BASE in this problem.

-4/5 + (-3/4) how do I work this? Will the answer be positive or negative? Please help me!!!!!

is there a common multipple for 116, and 145? Can 116/145 be reduced or simplified? I have been agonizing for an hour over this. Please show me the answer.

can the fraction 104/117 be reduced or simplified?

i am having a problem with this problem. it is week 2 checkpoint mat116 it says to solve using the principle of multiplication. -x=44

please show me how to solve this equation.I need step by step, because I just do not get it. 7/2x + 1/2x = 3x + 12/2 + 5/2x HELP ME PLEASE!!!!!!

Can someone please help me with these problems?Out of 35 problems these are the ones I can not figure out.Please show all of the stepswith no shortcuts. I am sincerely trying to learn this stuff.Thanks 4y-2+y+36=7y+40-5y 5.3x-5.36=4.24-6.7x 6(x+4)=8(x-2)...

how do you know when an equation has infinate many solutions and how do you know if an equation has no solutions? The second part of this question I get. If you work an equation and come up with 5=3 this is not a solution. Is that part right? I guess I do...

is -15<-10 please explain

-x/5=i/8 please show me how to work this

4(x+4)=7(x-2) Can someone show me how to solve this. I have been working on it for about 1 hour and I can not get each side to match.

B= K+v/2 how do I solve this for K

I am having trouble finding the x and y intercepts in this equation. Can someone please help me? y=-5-5x

graph the equation by plotting the points: 35-5y=0 i know how to put the solutions on the graph. i am stuck on this equation. i think x=0 but i can not figure for y. please help me and show me the steps to solve this.

42-6y=0 I need three sets of coordinates and the line must be parallel to the x axis.I think the y has to be 7 but I can not come up with 2 more that the equation help me!!!!!! I already missed three of these type questions.

graph the equation and identify the y intercept: y=1/2x How do work this can anyone help with step by step as i will have more of these?

can i get step by step for this equation? 3x + 2y =24 what is the y intercept and what is the x intercept? I need the ordered pairs

please solve: 8y - 12 < 7y - 7 { y y < ? there is supposed to be a straight line between the y and y

find the slope of the line, if it exists: coordinates are (-1,-5), (1,-5) I am doing something wrong because I either get 5 or if I work it another way I get 0 m= either 5 or 0 Which one is it if any? x1-x2/y1-y2 Can you please help me through this?

5(3+4x)-6>=129 I get 2 different answers on this one. 15+20x-6>=129 15+20x-6+6>=129+6 15+20x>=135 15-15+20x>=135-15 20x>=120 20x/20>=120/20 x>=6 Is this worked out properly, are there any shortcuts?

graph and find the slope. I graphed and now I need the slope. (1,-5),(-1,-5) m=

From a base elevation of 6300 ft. a mountain peak rises to a summit elvation of 14366 ft. over a horizontal distance of 15844 ft. Find the grade of the peak. The grade of the peak is ?%I do not even know where to begin with this. Does the 6300 ft.get subt...

find the slope if any: x+8y=16 x+0=16 x=16 0 +8y=16 8y=16 8y/8=16/8 y=2 this is the part that loses me: 0-2=-2 16-0=16 -2/16=-1/8 is this correct? If not can you help me?

How can you determine if two lines, plotted on the x-y graph and represented as y=mx + b are perpendicular?

find the slope and the y intercept of the line. Please help me I keep getting the y intercept wrong. 8x=9y + 54 I got the slope correct but I cant get the y intercept.

Can someone help me plwease with this problem????? I need to find an equation for the given pair of points and express my answer in x=a,y=b, or y=mx+b form. Please explain it simply as I am really struggling with this. (-1,-1) and (6,6). Thank you so much...

I need to see step-by-step how to find an equation of line containing pairs of points: use y= mx+b form. (-7,-8), (-3,-6) Here is what I have so far:slope(m) is 1/2 y-(-8)=m(x-x1) y-(-8)=1/2(x-x1) y-(-8)=1/2x-(-7) y-(-8)=1/2x-(-7/2) I think this is where...

write an equation of the line containing the given point and parallel to the given line; use y=mx+b form; (5,8) x+4y=7 i keep getting this wrong. Can someone show me how to work this? Thank you so much

I need to see how to arrange 8-1/5y=10x to mx+b form Is it -1/5y=10x-8? I need the slope and y intercept. Thanks much to who ever helps me. Can anyone show me how to work this?

49 is 77% of what number?

what is the total liabilites and the owners equity in the balance sheet you prepared in exam figure 4? a. $,5,906.54?

the perimeter of a rectangular garden is 25.6m and the area is 36.12msquare. find the length and width of the garden

find sqrt1575x^4. thanks in advance and is the answer 15x^2sqrt7

what is the 14th root of (-2) to the 14th power? Thanks in advance

please help with this radical: Thank you in advance. sqrt of 3a + 7*sqrt of 75a^3

can someone check my answer on this one? rewrite with rational exponents: (sqrt5mn)^9 i got: 5^9/2m^9/2n^9/2 is this correct?

I need help quick with this problem. Thanks in advance. What is the 14th root of (-2)^14 power?

Thank you in advance. How do you write an equivalent expression using radical notation for 635^3/4 power? Can I have this before midnight Central time?

The cubed root of x+5=3.In solving this I get x=22. Is there another possible solution for x? Can I have this quick? Thank you so much. It is due in about 1 hour. Thanks again

thankyou so much in advance.I need to write an equation in the variable x having -sqrt5,6sqrt5 as solutions. This needs to be in standard form ax^2 + bx +c =0. Thank you again and can you show me how you worked It?

write a quadratic equation in the variable x having the given numbers as solutions. Use ax^2 + bx + c=0 Thanks so much for the help

I am getting desperate. Can someone please help me with this and thank you in ADVANCE!!!! WRITE A QUADRATIC EQUATION IN THE variable x given the solutions: -sqrt7, 7sqrt7.This needs to be in the standard form ax^2 + bx+c=0. I really need help as this is d...

I only have 1 hour to get this question answered. Thank you in advance. I need a quadratic equation in the variable x given the solutions: -7 sqrt 7, and 7 sqrt 7 This needs to be in the standard form of ax^2+bx+c=0. Can someone please help me with this??...

Find the standard form of the equation of the ellipse with the following characteristics. foci: (+/-5, 0) major axis of length: 22

Find the vertex and focus of the parabola. (x^2)-(24y) = 0

Find all real zeros of the polynomial f(x)= x^4 -130x^2+3969 and determine the mutiplicity of each.

jared wants to save $100 to buy a tennis racket.he saves $8 each week,and his mother gives him an extra $0.25 for each dollar he save.determine the number of weeks it will take jared to save $100.

buses to the stadium leave central station every 10 minutes buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m. find the next time both buses will leave central station at the same time.

find the area of each circle. use 22 over 7 for pie. and radis for 15 in.

a cylinder that has a diameter of 2.5in. and length of 5.5ft, determine the volume of a) inches; b)feet

each week you gave a quiz in social studies and science class. find the probability both quizzes given on the same day tell if independent or dependent

Use the compound interest formula A=P(1+r)^t and the given information to solve for r. A=9,000,000 P=60,000 t=40

using 100 ft of fence material an dbuilding a regular gexagon garden, what is the area of the garden?

find an antiderivative F(x) of f(x)=11x-sqrt(x)

the water in leroy's and jerod's fish tank has evaporated so it was about 5/8 inch below the leverit should be.they added water and the water level went up about 3/4 inch.did the water level end up above or below where it should be? answer

how do u know the answers shown on the computer for What do they call the international hoola hoop championships?are correct

-3/4+7/12-(-5/6) the answer I get is o.6666667.

how many calories are required to melt a 135.0g sample of ice at 0.0 c

the quotient of n and 5 is 4 times n find equation

-14s-1 true or false

what should you do in writing a memorandum?

what is ascii text?

Answers

The following answers were posted by visitors named barb.

You should being writing process by analyzing your contraints, these priciples include the situation, distinguishing between the style.

Assessing the writng situation, discovering ideas, developing thesis and organizing your material creating drafts and refining the draft.

Thank You so much Ms. Sue

Ms. Sue are you a teacher.

Ms sue do have any suggesstions on this. find a scholarly journal article related to your final project. Read and write a brief summary of the article. Be sure to document it according to APA guidelines

thank you so much...

This homework is due today. Can anyone help me out? I have answered them to the best of my ability, they just need checked!!!!!

I need a thesis statement for early childhood

need a statement example of prejudicial and non prejudicial?

In the problem is the base "unknown"?

5.3x-5.36=4.24-6.7x 5.3x+6.7x=4.24+5.36 12x=9.6 12x/12=9.6/12 x=.8 If this is wrong can you illustrate what corrections need to be made? 6(x+4)=8(x-2) 6x+24=8x-16 14x=24+16 14x=40 14x/14=40/14 x=2.8571428 that does not even sound right In a triangle ABC,...

double checking your work is a good idea because if you made an error, say that you meant to write one number and accidently wrote another number, that would throw the whole equation off. If you check your answer, you will catch the error.

Is 20 the correct answer to the problem? 6(x+4)=8(x-2) I just checked and if I checked right,20 is the answer.What is the rule for getting like variables together. Do you always subtract the right from the left?

hey, did you read what i said???"ADVICE". I am having trouble comprehending alot of this stuff and seeking help. Watch how you answer

Let me see if I get the first part. If you have an equation and the solution is correct, then how does this make it infinate? Does this mean any integer you substitute for the variable will work? Can you explain this to me?

I messed the problem up. It should read -x/5=1/8

you could "Google" this. I did alot og googling when I took Psychology.

Ithink the word it refers to love and sadness.

it really means y= 1/2 x Does x have to represent 0? I need to know why

the question says to list the ordered pair,is the ordered pair (0,0).Some of the questions give "undefined as an option, but not this question.

Graph the equation and identify the y intercept: y= one half*x or 1/2*x The y intercept is____ type in the ordered pair. That is the exact question

8y-12<7y-7 8y -12 -7y<7y-7-7y y-12<-7 y-12+12<-7+12 y<5 Is this correct?

do you mean subtract 7y from both sides? There is no 7x

is it (0,0)? I thought x was the slope

CAN ANYONE ANSWER THIS AS I AM RUNNING OUT OF TIME!!!!!!! tHANKS SO MUCH

the question tells us to type in an ordered pair

I divided 30 by 16 and got 1.875 I multiplied 1.875 by 2.70 and got 5.0625 or about $5.63. I am not a math teacher though

Can someone PLEASE answer this question????? Thank you so much

hi bob could you look at my question and help me solve it. Thanks Barb I think it is right above this question

Thank you Bob: Did it make any difference that everything inside the radical is in parentheses? Could the answer have been 5mn^9/2. What did the parentheses indicate?

Can this be simplified to 125? Thank you again so much

Thank you, you are a life saver!!!!!!

A)59.50-59.50(.40) 59.50(.40)=23.80 This is the discount subtract the 23.80 from 59.50 and you get 35.70

3/99 this would be .33 cents a can multiply .33 *15=$4.95 15/4.95 I hope this is what you nare looking for.

I forgot to give the given numbers. -sqrt10 and 8sqrt10

I understand, although mathlab checked it wrong and gave me this problem. I SIMPOLY do not understand this when it comes to radicals. And furthermore mathlab has a habit of checking problems wrong when they are indeed right.I understand how to FOIL, I jus...

Buses to the stadium leave central station every 10 minutes.buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m.find the next time both buses will leave central station at the same time

how do u know these are right

what is the mood

i need help writing 2 legal memorandum on sally bright v. john bright. custody of minor

What are the CPT and ICD codes for this case? Gladys Swain slipped from a sidewalk curb and twisted her right ankle. Because of the severe pain she was suffering and the inability to bear weight on the foot, she sought treatment at her neighborhood hospit...

So good! Is there another way of doing this?