Algebra, help + check please

103,406 results, page 43

algebra

find the area of the square whose side is (5m^2 + 7) cm. Please help me :\ and thank you for those who answer my question :)

Algebra

Simplify. -x^3(1-x^2)^-1/2 -2x(1-x^2)^1/2 ------------------------------- x Do I first start by getting rid of the negative exponents? I do not know where to begin. Please help.

Algebra 1

Which sum of difference is equivalent to the following expression? 2x + 3 ______ 4 a.) x/2 + 3/4 b.) x/2 - 3/4 c.) 3x/4 + 3/4 d.) 8x + 24 I think it's either a or d, please help me.

Algebra II

Hi, can someone please explain how to graph piece wise functions to me? I am extremely confused. Ex.: -x+3, if x<2

Algebra II

Write an equation for the following transformation of y = x: a vertical compression by a factor of 1/2. Options: y = -1/2x y = 1/2x y = 2x y = -2x Please help me :)

algebra 1

Which of the following options results in a graph that shows exponential growth? a) f(x) = 0.4 (0.2) ^x b) f(x) = 4(0.98)^x c) f(x) = 0.7(5)^x d) f(x) = 5(4) ^-x I think it is c, can you please help?

Algebra

Can you please tell me how to do this question: Translate the phrase "8 less than the quantity 17 times a number, n.

algebra

Please correct my work. Using long division,simplify (8b^3-6),devided by (2b-1) My solution is: 4b^2+2b+1 ---------------- 8b^3 -6 8b^3-4b^2 ----------------- 4b^2-6 4b^2-2b ------------------ 2b-6 2b-1 ------------------- -5

Math-Algebra

Find the GCF of the terms of the polynomial. 12x+20 2 4 5 10 Some help on how to solve this please?

algebra

I've tried this problem like 7 times and still struggling: f(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4 so what is f(x)-g(x)? My answer was 4x^3+2x^2+2x...... is this correct? If not please help.

Algebra

Can someone show me how to Simplify the radical expression ã363-3ã27 in steps please

Algebra 2

How does tan^4x-sec^4x equal -2tan^2x-1 If someone could please explain to me then that would be awesome. Thank you ^^

Algebra

Solve absolute value t - 2 = -1 A. -1, 3 B. -1, 1 C. -3, 3 D. -3, 1 Thank you!! I got D. Please correct me if I am wrong. Thank you again for assistance.

MATH help asap

connections academy 8th grade Lesson 9: Integers and Algebra help please anyone!

Algebra

Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=-14 3x+6y=6 Please help and thanks

Algebra 2

Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?

algebra

Please evaluate this expression with the answer in scientific notation. (2.5*10^-2)^4 I certainly would appreciate help.Thank you.

algebra

Will you please show me how to completely factor this expression 2a^2c^3-14bc^3+32c^3d^2 Thank you very much for your help.

Algebra 2

The point (4, 1) is a solution to which of the following systems of inequalities? a. y < 3x - 1 and y > -x + 1 b. y > 3x - 1 and y > -x + 1 c. y > 3x - 1 and y < -x + 1 d. y < 3x - 1 and y < -x + 1 I'm very confused:( I don't know how to solve this. ...

Algebra

What are the first four terms of the sequence represented by the expression n(n - 1) - 4? A.) -2, 2, 6, 10 B.) -3, 0, 3, 6 C.) -4, -2, 2, 8 D.) -5, -4, -2, 6 I don't get this question, can someone help please?

algebra

Hi, I needed help in simplifying the following in steps please: a/a+a^2 keeping in mind that a is over a + a^2, not separate. Thank you.

ATTENTION WRITEACHER!

Thanks so much for your help on my english question. I posted a reply with another question down below. You're REALLY smart so can you please check my work that i put donw below! thanks again, i really appreciate it:)

Health/ Basic Clinical Procedures

please check my answer thanks True or False The purpose of OSHA Bloodborne pathogens Standards is to prevent exposure of employees to bloodborne pathogens I said True

V A Hospital

please check my answer thanks so much for your help True of False The V A hospital is most likely to use the Social Security Number as a medical record number in its filing system I said True

Applied Dog Behavior

please check my answer thanks You're using punishment to get rid of a particular behavior. You should keep using the same punishment for three to five tries I said True

Applied Dog Behavior

Please check my answer thanks Fearfulness as a trait appears to be A. more common in females. B. hereditary and a dominant trait. C. more common in males. D. random and rare. I picked B

science...help

please check my answer ....plz... the question is: how is the size of the minerals grains affected by the rate at which molten rock materials cools? and i think the answer is : the bigger the grains the faster it cools.

PLease check math

1)Find an eauation of the line containing the given pair of points. (2,1) and (6,3) MY ANSWEAR: Y=(1/2)X 2)Decide whether the pair of lines is perpendicular, parallel, or neither. --What is the slope of 4x+2y=3 4x+2y=4 MY ANSWEAR: (1/2) AND -2 (PERPENDICULAR)

English

Can someone please check my answers? 1)Passive voice adds directness to your writing. a)true b)false* 2)You should avoid unnecessary shifts in verb tense when writing. a)true* b)false

Language Art (Please Check)

1.A 5.The word evacuate comes from the Latin root vac which means to empty. What word that contains this root means not occupied? A. vacuum B. vacation C. vacant D. evacuee

dog behavior

please check my answer thanks In Pavlov's experiment with the bell and the food, what is the dependent variable A. Pairing the food and the bell B. giving the food C. ringing of the bell D. salivation I picked B

Math.. check answer please

A restaurant has 11 booths and 12 tables. Write the ratio of booths to tables as a fraction. is the answer 11:12 or 11 to 12 or 11/12?

math please check and help!!!!

what is the vertex and line symmetry for f(x)=1/2(x+8)^2+4 and what is the max/min value of f(x)? Is the answer for the vertex (8,4) is the min value of f(x) (-8,4)

MATH(please check)

A newspaper has 80 pages. If 20 of the 80 pages are devoted to advertising. What percent of the newspaper consists of advertising? How do u start this?

math

What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number. Please help me I don't know what to do.

Math

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

Algebra

Fiona invested $1000 at 8% compounded continuously. At the same time Maria invested $1100 at 8% compounded daily. How long will it take for their investments to be equal in value? Assume there are 365 days in every year. Please help I have tried everything and cannot solve ...

accounting

Need advise in how to set up? On, April 1, 2015, Lester Company received a bank statement that showed a balance of $ 8,950. Lester showed a $8,000 checking account balance. The bank did not return check No. 115 for $750 or check No. 118 for $370.00. A $900.00 deposit made on ...

behavior problems (dogs)

please check my answer thanks An unwanted behavior persists because the A. behavior elicits a reward. B. dog has a temperament fault. C. trainer doesn't use treats as rewards. D. owner doesn't know how to punish the dog effectively. I picked A

Physics

Could someone please check another one of my answer for me? Thank you! A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s, what is her ...

art

Could you please check my answer please...thank you Which of the following is the best evaluation of the artwork based on the criterion that the piece feature imaginary creatures or things. 1. The artwork is successful because it features a fully clothed raven-headed winged ...

Percents and Porporitons help? ( Algebra) Check?

What percent of 120 is 66? So on my paper.. I wrote 120 out of 100, because all percents add up to be 100 percent. And then I wrote = 66 over x. Is this correct? and then I would do the butterfly method? ( Cross Multiply) Thank you! -Allyson

pre algebra answer check

You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.

Algebra - Check My Work

For Question 1-8 Simplify the Radical Expression *** - My Answer 1.√45 3√5*** 2.√180x^2 6x√5*** 3.√150x^3 k^4 5xk^2√6x*** 4.√21y * 5√49y 35y√21*** 5.(The square root sign applies for the whole equation; both numerator and ...

Algebra 2 Answer Check

Solve each equation. 1. (|3x -4|)/(-5) = 6 A: no solution 2. (|2x -5|) = x + 3 A: x = 8 or x = 2/3 Solve each inequality. 3. |5x + 15| > 20 A: x > 1 and x < -7 4. [(|x - 2|)/ (4) greater than or equal to 5 A: -18 < x < 22 5. (-3) x (|5x - 8|)- 5 greater than or ...

Algebra

Please check for me. 7p - 7/p divided by 10p-10/5p^2 = 7p^2 6x - 6/x * 6x^2/8x-8 = 9x/2 I'm not sure how to answer this one. x/2 divided by 9/x + 5 I think it's x(x + 5) / 18 Without grouping symbols () it is impossible to understand the problems. The ^ means exponent and / is...

algebra

can someone help me with this question it is very hard the question is 4j - 3 = 5 the solutions are a)j=1/2 b)j=2 c)j=8 d)j=32 someone please help me on this pretty pretty please

Help Please, Oh Please--Algebra

Identify 3x^5 − x^2 + 4x as a monomial, binomial, or trinomial. A. trinomial B. binomial C. monomial D. none of these

English

Ms Sue, could you please check my sentences, please? I still have a few doubts. 1) How long is it since you (last) played with the band? Since last year. Or just last year. 2) How long ago did you last play with the band? A year ago. When describing a picture in a book, would ...

Math

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

math

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

English

Can you please check if these sentences are possible, please? Thank you. 1)You can book your train journey online or through a travel agency. First you make sure your passport is not out of the date. 3) Check the train time (time table?) and the fare. 4)Then buy your ticket ...

Algebra 1- Just one question please :)

You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? Please help whenever you get the ...

English

Could someone please check my answers? 1. Who is right about Willy Harris? Mama 2. Does Beneatha like her nickname Alaiyo? yes 3. Does it fit her? yes But why does it fit her? What does Alaiyo mean? It is said in the play... When you read that, you will know why it fits her. ...

testing and selection of dogs

please check this for me thank you A dog with a strong prey drive has A. difficulty learning to obey. B. a vicious nature. C. a strong urge to chase and capture prey. D. a willingness to defend itself against preying animals. I said C

Math amortization payments

What amortization payment would be required every six months at 14% interest to pay off a loan that is $35,000 with in four years. answer needs to be rounded to the nearest cent. please check my answer thanks :) $5,861.37

Health care

Please check my answer tahnks :) You are Doctor who wans to join together wth other HMO doctors but not give up your individual practice what would be your best choice for doing that I think it might be primary care physicain practice

early childhood literacy

If mrs green read "little pig,little pig" & the children said "let me come in" then they were using a memorization b. completion c.story retelling d. fill-in-the blank reading I chose "b" is this correct.can someone please check it

stats ( please check)

6. X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities: (A) P(x < 77.0) (B) P(75.0 < x < 85.0) (C) P(x > 85.0) (Points : 6) I think I have the first two but I am stumped on the third one. Thank you for ...

chem101

which of the following compounds have polar bonds and a net dipole moment? a) H3COH b) H3CCOCH3 ALSO PLEASE CHECK THIS, RANK THE FOLLOWING FROM MOST TO LEAST ACIDIC COMPOUND: A)H2SO4>H3CCO2H>H20 B)H3CCH2NH2>H3CCH2OH>H3CCO2H

Pre-Calc-Please check answer

1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1) =-1/5*(1/4)^9...

Pre-Calc-Please check answer

1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1) =-1/5*(1/4)^9...

Calculus

Check my work please? Determine if f(x)= (x^2-3x+2)/(1+x^2) has a horizontal asymptotes. If so, give the equation. So I took x^2 and divided everything by it. (x^2/x^2)-(3x/x^2)+(2/x^2) / (1/x^2)+(x^2/x^2) Cancelled out some x's and have -(3/x)+(2/x^2) / (1/x^2) Now as x ...

englsih

As my english is not good, could you please check the grammar of the following sentence. Thank you!!! What they care about most are money, stock prices and problems concerning about finance. They may never notice that there are lots of social problems which actually need their...

Physics - please check my answer

A man tosses a ball upward. It reaches its highest point after 25 seconds. Find its initial velocity. Alright, so I tried solving this. I used the equations (let v = initial velocity): h = v^2 / 2g , and h = (v*t) - (1/2)(g)(t^2) and I got 101.48 m/s. Is this correct?

math

Please check Fewer than 45 people attending d the show X<45 A student had $5 but does not have enough to purchas three pair of socks 3x<5 At least 127 students attended the rock concert 127>x No more than 50 students walked in the walkathon X>50

Physical Science

Hello! Thanks for checking my question out! ____ Fill in the Blank 10. The _______________ theory of matter states that all particles of matter are in constant motion. (1 point) My Answer: kinetic Could someone please check my answer? Thanks! - Da Fash

math, probability 4th grade

please check my answers and problem at the end , too! the cafeteria in the school offers 3 side items with the meal to the kids, among them: A. fries, B. carrots, C. macaroni, D broccoli, E. beans. how many choices each child have? - i think it is 10 because the order does not...

check math

Here are my answers. Can you check if I got the right answers? Thank you! Solve for z: 4x+10yx=0 z=-2x/5y y^2+3yz-8z-4x=0 z=(-y^2+4x)/(3y-8) there was no z in your first equation, from you answer I can tell it should have been 4x + 10yz = 0 If so, the answer is right. last one...

english(check answers)

please check answers 7.which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time.(I PICK THIS) B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had guessed that the new kid was a ...

science math

how many decimeters are there in a decameter Go back to my post and count. Then post your answer here. You can check your answer at google but I will be happy to check it also. 100 decimeters. I'm sure of it! Decimeters

Chemistry - Bob Pursley

Posted by Sarah H on Friday, May 23, 2008 at 8:10pm. Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS = 7O2 --> 2Fe2O3 + 2SO2 Calculate the % yield. My Answer: nFeS=23.4g/87...

algebra

solve and check the equation for x. I just can not figure this out. 5/x+6 + 2/x^2+7x+6 = 3/x+1 Thanks! Use parentheses to tell us whether you mean 2/(x^2 + 7x + 6) or 2/x^2 +7x +6 and also whether you mean (3/x) + 1 or 3/(x+1) and also (5/x)+6 or 5/(x+6) also go to myalgebra ...

Maths Algebra

A steamer goes downstream and covers the distance between two ports in 4 hours while it covers the same distance upstream in 5 hours.If the speed of the stream is 2 km/h.Find the speed of steamer in still water.Check your solution.

pre algebra

A college bookstore ordered 6 boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in the box? How would you solve it and check answer into the original problem?

A.P. Economics (Please check if I'm right)

Leaving class today, you decide to start an economics tutoring business. Your first step is to get the two categories of capital. Next you need to obtain the other factors of production. Specifically, what do you need in terms of land, labor, and capital. My Ans: Physical ...

French

Can someone check my work? I'm trying to say: "He was at the zoo and a lion jumped out of the cage and attacked him." This is my attempt. Could you please fix any mistakes? "Il était au zoo et un lion a sauté de la cage et l'attaqué."

physics

please check Which of the following is NOT a characteristic of electrical potential energy? a. it is a form of mechanical energy b. it results from a single charge c. it results from the interaction between charges d. it si associated with a charge in an electric field A

math please check my work

a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f-8 g-92 h-676000 i-6760000 i think it is i(the 4th one) am i correct thank you for helping me

8th grade math

Can you please check my answer? A spherical balloon has a volume of 268 cubic cm. If more air is pumped in so that its radius is 3 times as long, what is its new volume? My answer: 2,412 cubic cm

Spanish-Please check my answer

This is true or false A possessive adjective is a descriptive word that tells whose something is I think this is false because the possessive adjective describes the noun and not the person who has possession of the item.

differential equations

the directions are to determine whether or not the equation is exact if so then solve it. the question is (x-y^3+ysinx)dx = (3xy^2+2ycosx)dy i solve and i got that it is exact because My is -3y^2+2ysinx and Nx is -3y^2+2ysinx since m and n are equal then they are exact then i ...

Solution Making

Suppose you start with a 5X solution A, and you want a final volume of 10ul of 1X solution. How much Solution A do you need? Can you please check my work not sure. I need 2 ul of solution A to 8 ul of H2O. 5/1=.2*10=2

ENGLISH

Please check for any errors. Please make corrections. Thanks!!! Alexandria treasure may have been found after more than three hundred years! The wreckage of a ship believed to be Alexandria has been located off the coast of Florida. The Alexandria disappeared during a ...

Social Studies (Please check this)

Which appeals are NOT heard by the South Carolina supreme court? a. appeals from all felonies b. appeals from setting public utility rates c. appeals that deal with the death penalty*** d. appeals dealing with constitutionality of state laws

spanish

is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...

English

Please check my answer thanks :) In which sentence could you best use a semicolon? 1. If you ask me Jerry is a tennis whiz. 2. Lucy bought a new tennis racket and brought it home. 3. Sue loves tennis she plays everyday 4. When she is worried Mary eats a lot. I picked #3

ELA Please check my work

Which of the following sentences contains a pronoun? A•My sister Sarah loves to cook B• She made dinner for the family last night C• When Sarah offered us seconds I was too full. D•Mom and dad make me do the dishes when Sarah cooks My answer is A Am I correct?

Social studies

Arrange the following legislation that was passed after the Civil War in the proper chronological order: I. Reconstruction Act. II. Wade-Davis Bill. III. Fifteenth Amendment. IV. Compromise of 1877. A. I.,II., II., IV. B. I., II., IV., III. C. II., I., II., IV. D. III., IV., ...

English

You forgot to check these other sentences. I really hope you can go through them, too! 1)Can you check the following sentences for me, please? Can you please tell me a synonym for the words in parentheses? Thank you. 1)Alonso is shipwrecked near an enchanted island with his ...

Elementary Algebra

Walk 1or2 miles. Check the time before starting your walk and at the end of your walk. Determine your waling rate in minutes per mile. Create an equation that describes the rate. walk 1 mile time 6:00 to 7:30 so this would be 90minutes and that is where I get stuck at.

Science

What are the advantages of slower population growth? Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. No diseases and over crowd True. But a society can provide food, jobs, and medical services if ...

French 1

F Rewrite the following sentences replacing the expression of time with the word in parentheses making any necessary change.My response are bulleted. Please check for me. Thanks again much!!!!! 1.(hier) Aujourd'hui, personne nelave la voiture. (Yesterday) Today, person nelave ...

Dog Breeds

Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a high-rise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A

Math Please check these

Find the Perimeter and area of each square and rectangle. On my actual paper I have the cm and in behind the numbers along with the area's squared sign I just didn't know how to put that on here. 1. L2 W3 A=6 P=10 2. L1 W1 A=1 P=4 3. L7 W1 A=7 P=16 4. L7 W7 A=49 P=28 5. L6 W4 ...

Math(Please check)

You invest $3000 in a savings account where you earn 4% interest compounded continuously a) what is the formula A(t) for the balance after t years? A(t)=3000e^0.04(t) b) How long will it take for the money to double? 6000=3000e^0.04t Is this the correct setup so far or would I...

English

Please Check, Thank You! When choosing your search strategy for a search engine, it's best to A. Combine keywords into phrases by using quotation marks B. Enter the least important word first C. use verbs, articles, and capitals D. Ignore alternate spellings Answer A

@lucina0555

I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...

@the dude

I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...

@Cray

I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...

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