# Algebra, help + check please

104,559 results, page 59

### Organic Chemistry

When reading an infrared (IR) spectrum for an unknown compound, you check for certain functional groups in a certain order. If C=O is absent, you check for alcohols/phenols (-OH), then for amines (N-H), then for ethers (C-O, & the absence of -OH). So, I was wondering: If you ...

### Algebra

Solve S=a/(1-r) for r S = a/(1-r) Multiply both sides by 1-r S*(1-r) = [(1-r)*a]/(1-r) Simplify S*(1-r) = a Multiply terms on the left. S - S*r = a Subtract S from both sides. S-S*r - S = a - S Simplify -S*r = a - S Multiply both sides by -1 S*r = -a+S Divide both sides by S S...

### algebra 3

. A physician made a survey of the roundworm infection of a rural region in Hubei province in 1999. There were 68 infected among the 350 randomly sampled males, and 36 infected among the 250 females. (1). Please make a statistical table according to the information above the ...

### Science last question

Which of the following boxes would have the strongest gravitational pull on a third object positioned at an equal distance from both boxes? Box A: 100 g Box B: 10,000 g A. box b because it has more mass B. box a because it has less mass C. box a because it is bigger*** D. box ...

### math

Just want to double check please... Susie has two children, Mary and Jake. Given that Susie has Alzheimer’s and there’s a 25% chance that she passed the Alzheimer’s gene onto her offspring, what is the probability of BOTH Mary and Jake developing Alzheimer’s, based on ...

### how children learn(someone please check)

What do constructivist educators believe about the learning process? A. Learning is a response to a stimulus. B. Learning is centered on the student and the student’s motivation. C. Learning is a process of building on what the student already knows. D. Learning is the ...

### Early Child Ed.

Can you please check these to make sure my answers are correct? 1. An educator who uses stereotype-free learning materials qnd activities that allow both boys and girls to participate in the same physical play is promoting: 1. insensitivity to cultural differences 2. a biased ...

### English

Could you please help me describe the pictures I posted you and check these sentences. 1) Go and fetch some chalk, will you? Open the window halfway to let some fresh air in. 2) You should hand in your dissertation by next Monday. Wipe off the blackboard. 3) If you enter the ...

### English

Can someone check these questions, please? Thank you in advance In Shelley's Frankenstein, what are the traits that remind us of a Gothic novel? 2)Discuss the concepts of beauty and youth as portrayed by Lord Henry in chapter 2 of O. Wilde's The Picture of Dorian Gray. 3) ...

### History Check Please!

2. Why were interstate highways initially built? A. to accommodate the increasing number of automobiles B. to make it easier for U.S. citizens to travel from state to state C. to enable the quick movement of troops in case of a nuclear attack D. to allow for faster speeds so ...

### algebra 2

factor completely 3x^2-14x-24 I do not see the gcf for the problem I am totally lost can some explain please I have several these problems and i need to figure out how to solve them You put 3x^2-14x-24 = (a x + b)(c x + d) Equating the coefficients on both ides gives: 3 = a c ...

### Writing...Grammar

Is the common error in the following sentence a dangling modifier? Having risen because of the rains, the hikers were unable to cross the river. Yes. As Ms. Sue said earlier, the phrase ("Having ... rains") needs to be close to what it modifies. So ask yourself: What has risen...

### dog behavior

Please check my answer thank you very much For optimal appetitive classical conditioning which of the following is not important. A The dog should be hungry B THe training enviorment should be relatively distraction free C. THe dog should be give the chane to "use the bathsoom...

### behavior problems (dogs)

Please check my answer thanks The problem with "quick fix" corrections designed to eliminate one specific behavior is that the A. dog may not respond to the correction. B. dog may be frightened by the correction. C. owner may be unable to utilize the technique at home. D. ...

### Social Studies (Check, Please!) (Ms. Sue)

What was the Doolittle Raid and why was it so important? A: The Doolittle Raid was the first air raid on Japan in 1942, during World War II. Among several selected targets was the Japanese capital, Tokyo. This raid was so important because it provided an instant boost to ...

### English

Revise the sentence below to make it more formal: 'You're going to get really fat if you eat at fast foods restaurants all the time. My version: If you continue eating at fast food restaurants all the time, the possibility of becoming obese will be very high. Please check my ...

### Algebra

Here are two more problems I have for homework tonight. I have gotten answers, but I used "guess-and-check" and could not find an equation like I am supposed to. If you answer, please tell me if my answer is correct, walk me through your way of solving it, and if you can, show...

### Mrs. Sue Algebra outlier/mean recheck

find the outlier of each set of data describe how the outlier affects the mean. just want to double check on 2 problems that we did -15 -12 -19 0 -20 -14 the outlier is 0 the mean with the outlier 0 is: -13.33 the mean without the outlier 0 is: -16 is this correct? next one: 4...

### math

Each user has a password 6 characters long where each character is an uppercase letter, a lowercase letter, or a digit. Each password must contain at least one digit. How long will it take to check every possible character combination, if each check takes one unit of time.

### Algebra

Find two factors of 15 with a difference of 2. I have 1 and 5. Is that correct? if not can you please show me how to do it.Thanks! no the difference between 1 and 5 is four try 5 and 3

### algebra 1

The sum of a number and 2/5 (two fifths) of itself is 56. What is the number? HOW IN THE HECK AM I SUPPOSED TO SET UP THIS EQUATION? PLEASE HELP... I AM DESPERATE!

### HEY DRWLS!! I have a question

You're a genius, so can you please help me with my advanced algebra question. I posted it down below!! Thanks:) Miley

### Algebra

Can someone help me with this please?? Find the volume of a cube on which the diagonal of a face measures 2. ACUBERT(2) B8 C12 D2 SQRT(2) E4 F6 SQRT(2)

### to divide Monomials

Please help me with my paper algebra with Pizzazz! Page 76, objective 3-a. Name of paper is Why are babies like hinges?

### Algebra

22=200X62. Do you divide by x, and then multiply the right side by 22? Or do you divide 22 by 200 and 62 but at different times? I know the order of operations but I don't get how to do this. Please help.

### pre algebra

simplify: I don't understand on how to answer this and simplify it. (dt4)(3d-6) Can someone please write out the steps on how to solve it.

### algebra 1

2+a/-4=3/5 Two plus a over negative four equals three over five. please solve the problem

### 7th grade Pre-Algebra

Factor each number completely 110 480 I don't know how to do factor tree's, they're tricky, :\ Please help

### Algebra

I don't know how to solve 12x(2)-15x=0 using the quadratic equation ax+bx+c=0 with this question I am unsure of what a, b and c are supposed to be, therefore I do not know how to solve this! Please help!

### algebra

Asked question wrong last time. New question with description of how to figure it out please. What is the value of 3t+7 given -2t+1 =3

### Algebra

Hi, I'm struggling to do two questions. 1) If ||u||=2, ||v||=root 3 and u dot v = 1, find ||u+v|| 2)Show that there are no vectors u and v such that ||u|| = 1, ||v||=2 and u dot v = 3 Please help if you can. Thanks a million

### algebra

Give the equation of the line that passes through point (5, 1) and is parallel to the line y = 3x – 1. I am so lost. I have no clue how to do this. Can anyone please help?

### algebra

3x^2-5=16 solving equation I see no one is answer ansy problem could some please I need this problem tonight.

### algebra

which quadratic formula would be used to solve the following quadratic equation? 4x^2 - 5x = -2 can you show me the correct answer and how do it please

### algebra

How do I work this to get the answer because I am stuck. Help, Help, please anyone. Ihope that you are able to understand what I am asking. 3 SQRT10 over SQRT15 2 over 5+SQRT3

### algebra

Having problems with the FOIL for the problem below (5x^8-5)(x^9-4). My answer is 5x^17-20x-5^9-20. please let me know if this is correct. if not correct can you show me what i need to do?

### Algebra

Explain why the addition method might be preferred over the substitution method for solving the system 2x-3y=5 5x+2y=6 Am lost on these.Please help

### Algebra

Write 27/4 as a mixed number, I keep getting 6.75 but it does not seem correct, please confirm if it correct or if I am missing something.

### College Algebra

What is the difference between direct variation and joint variation and please put into words an example.

### algebra

factor out the greatest common factor. Please show all work. 15wx-20wy-25wz

### algebra

|5x+3|>-2 please help me solve and when graphing it could you describe what it would look like? i know it would have open circle, but is it and "and" or "or" inequality.

### Algebra 1

Can someone explain to me the greatest possible error when finding the maximum and minimum possible lengths of something?? PLEASE!!!

### Algebra 1

Hello! :-) Can some please explain to me or provide a website that has information about graphs and how to use them? Thanks! Hello Kitty!

### Algebra

Rationalize the denominator: 5 /4-squareroot 5 (five over four minus square root five) Please explain

### algebra

find all complex zeros for the following polynomial function please show all your work f(x) = x^3 - 125 ????????

### Algebra

I need to write an equation for when the slope is 5/3 and the y-intercept is (0,-3) I got Y = 5/3x +o Cn someone verify for me please also i don't know how to find the slope of x=1

### Algebra

If the side of a square are lengthened by 7cm, the area becomes 225cm^2. Please help me find the length of the original side! Thank you

### Algebra! I really need help!

r=radical sign r64s^4t^3 Simplify the expression up there. Show me an explanation, too! Please! I beg of you..I need help.

### algebra

Please Explain: Simplify by removing factors of 1 1875v^10y^10/45v^4y^4 and explain exponents step if possible.

### algebra

how many different four digit numbers can be obtained by using all four of these digits 5,1,1,5 show work please

### Algebra 1

(3 points) Frank invests $2,745 for 3 years at a rate of 3.5%. How much interest did Frank make? PLEASE HELP SOOOON!!!

### algebra!!!! please help me!!!!

What is the sum of all positive integers N≤1000 such that N equals 13 times the digit sum of N?

### algebra 1

can someone please help me solve the question and explain to me and also show me specifically what to do step by step??? Q: what is the standard form of Y-8=2(x+2)?

### Algebra

Find the GCF of the terms of the polynomial. a^3 + 6a^2 - 11a I think the GCF is a^2, but the answer key says a. Please explain.

### algebra

write a quadratic equation having the given numbers as solutions. -6 and -4 Not sure how this is to be written into an equation. Please help. Thank you

### Algebra

I've been try to solve this equation and I can't seem to get far. Do you add 3 to both sides? If not please explain to me how you solve this. Thanks :) 1/2=2/5c-3

### Algebra

K2 is11,194 feet higher than Mt. Kenya. Write and solve an equation of Mt. Kenya. Please hep with this 9ne thanks

### Algebra

I need help this this question it is on of the questions on an assesment and i cant get it wrong but i don't know the answer please help! Find the length of the segment MN with endpoint M at 2,-3 and endpoint N at 8,5

### algebra PLEASE HELP ASAP

Jennifer writes the letters M-O-N-T-A-N-A on cards and then places the cards in a hat. What is the probability of picking an M? a. 1/6 b. 1/7 c.6/1 d.7/1 my answer is b?

### Algebra help

Please help me compute how to draw a graph after I receive the answer. The problem I have is physically connection the graph.

### Algebra

A tortoise is walking in the desert. It walks for 9.6 meters at a speed of 6 meters per minute. For how many minutes does it walk? 9.6/6 1.6 Please Help

### Algebra

Can you please advise if I have the correct answer to this problem: -3a8^b2^c3^ (5abc9^ - 11a2^b4^c6^) -3a8^b2^c3^ (-6ab3^c3^) 18a9^b5^c6^ Thank you

### Algebra

Please advise if my answer is correct. I need to simplify this problem: (5x2^ + 11 - 9)(-2x2^ -x + 17) My answer is: -10x4^ -x + 34 I am incorrect? Thank you

### math(check answers please)

for questions 1-3,find the sum. 1.5 9/13 + 5 9/13= A.13/74 B.10 12/13 C.11 5/13(I PICKED THIS) D.13/142 --------------------------- 2.3 3/15 +4 2/5= A.2 1/2 B.22 4/5 C.7 3/5( I PICKED THIS) D.5/38 -------------------------- 3.3 4/9 + 2 1/3= A.5 1/3 B.18 3/5 C.5 7/9(I PICKED ...

### Algebra..Heeelp please!

Need assistance on this word problem... Singer I.M. Great publicly promised each of her fans an autographed photo of herself. The response was bigger than expected: all 220,000,000 people in the U.S. wrote for a picture(even her own brother). Calculate the number of hours I.M ...

### PLEASE HELP CHECK ANSWER SCIENCE

5. Which of the following body systems does not rely on the autonomic nervous system to stimulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system My Answer skeletal systems

### Algebra

how do you solve this equation...its a polynomial...help please What is the equation

### Algebra

Please help me solve: [SQRT(x)]=-2 1. [SQRT(2x2 - 1)]=x

### ALGEBRA

Can someone please solve these for me? Thank you. x^2 + 5x + 6 = 0 [SQRT(x + 3)] = 2[SQRT(x)]

### Algebra 2

How do you simplify n^3 ÷ n^╥ (pi=╥) Answer: Please & Thank you

### algebra

solve for v: p = mv explain how to get the answer and what the answer is please

### Algebra 2

(1/16x^4 +3/8x^3 +1/8x^2-1)+ (-9/16x^4 +7/8x^2 -1) Can you please help me solve this problem? Thank you.

### algebra 2

Add(1/12X^4+6/7X^3+3/8X^2+5)+ (-7/12X^4+5/8X^2-5). "Please help me solve this"

### algebra 2

Add(1/12X^4+6/7X^3+3/8X^2+5)+ (-7/12X^4+5/8X^2-5). "Please help me solve this"

### Algebra 2

Add(1/12X^4+6/7X^3+3/8X^2+5)+ (-7/12X^4+5/8X^2-5). "Please help me solve this"

### algebra

2-(a-1)/(a+2)=(a^a-1)/(a+2)Can you help me solve this problem step by step please?

### algebra

Solve: 2(2-x)<-3x-2...please help me solve this and show me how you get the answer...

### algebra

what is the quotient of. please show step by step x+4/x-1 / x^2+x/x-1

### Algebra

Can you please show step-by-step how to do this problem? (4x^2 - x +5)/ (x^2/3)

### algebra 2

Can u please help me on this question.Simplify 1.) √a/b×√a^2/b^2

### Algebra 1 HELP PLEASE!

suppose P equals {0,1,2,3,4,5,6,7,8,9} and V equals {2,4,6,8,10,12,14,16,18,20}. What is P (circle) V?

### Algebra

Suppose U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set, and P = {1, 4, 9, }. What is p'? {2,3,5,6,7,8} {2,4,6,8} {1,2,3,4,5,6,7,8,9,10} {2,3,4,5,6,7,8,10} suppose T={-8,-4,0,4,8,12,16,20} and K={-3,-2,-1,0,1,2,3,4,5,6}. What is T n K? {-3,-2,-1,1,2,3,4,5,6} {-8,-4,-3...

### algebra

can you please show me how to graph 6y+5x=-18 I know the x-intercept is (-18/5,0) and the y-intercept is (0,-3)

### English

Please check my answer thanks :) IN which of the following sentences is the word run used as an action verb? 1. MArk competed in the five-mile run. 2. Sandy had a runny nose and a cough. 3. Adam runs every day at five o'clock. 4. Erica put Molly in the dog run before she went ...

### physics

please check: Conductors can be charged by ___, while insulators cannot. a. grounding b. induction c. polarization d. contact D Which of the following is not true for both gravitational and electric forces? a. the inverse square distance law applies b. forces are proportional ...

### English

Can you check the following sentences please? Can you say "This is your Christmas holiday homework". •Read and do the “test yourself” activity on the Plantagentes pag. 38-39 •Read and translate the opening of Chaucer’s Canterbury Tales pp. 46-47 •Read and summarize...

### Check my math question please? Very urgent!

The commute times during rush hour traffic on a local interstate have a mean of 25 minutes and a standard deviation of 5 minutes. Repeated studies of this section of interstate are considered normally distributed. What percent of commuters drive between 20 - 25 minutes to work...

### 7th grade math (probability)

Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...

### S.S.

Have any info on colonial voting what is qualla boundary men only! no women. Please check these sites: (Broken Link Removed) http://en.wikipedia.org/wiki/Qualla_Boundary

### Dr.Bob - about your post to a previous question

For that question by Josh on the second page I reviewed what you did and am confused to how you found the g excess reagent (NH3) I posted a response to what I found when I helped Josh with the problem. Could you please take a look at it and check my thinking on the problem ...

### English

Let's look at the two comparative sentences. When we compare the degrees of two things and people, we use comparative forms. 1. Emily is younger than Bob. 2. Bob is shorter than Emily. (Will you check all the sentences above? Correct errors, please. What is the part of speech ...

### health

True or false the endocrine system only regulates long-term changes in the body True*** False Which endocrine glad(s) are responsible for the changes associated with puberty? A. thymus gland B. reproductive glands*** C. thyroid gland D. pancreas Please check

### Sign Language.

Check my answers please (: A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the -ER sign to the beginning of the work. True False***

### Science - 1 Question

A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!

### Physical Science

A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!

### Science - 1 Question

A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!

### Marketing

Good marketing managers know that A.marketing strategies can't influence consumer "wants." B.marketers can't create internal drives in consumers C.it is not that difficult to develop a marketing strategy that gets consumers to do what they don't want to do. D.All of the above ...

### Science Check

Hi! Can someone check my answers? Thanks!! :) Question 1: A skateboarder (coasting with a constant velocity) jumps straight up. What happens she she lands? Does she come down.... A.) behind the skateboard B.) ahead of the skateboard C.) on the skateboard My answer: B. Question...

### French

Please check if this is right: Demain matin, je vais aller à la ferme. Je n’ai jamais visité une ferme avant. D’abord, je vais faire une randonnée à pied. Ensuite, je vais voir: un cochon, un lapin, un cheval, une vache, un ècureuil, et un oiseau, Je vais aller à la ...