# Algebra, help + check please

104,559 results, page 83

### Math

1.)which two sq roots are used to estimate 5? a.)1 & 2 b.)2 & 4 ****** c.)4 & 9 d.)9 & 16 2.)which two sq roots are used to estimate 43? a.)25 & 36 b.)36 & 49***** c.)49 & 64 d.)25 & 64 3.)an estimate for the sq root of -66 is? a.)-6 b.)-7 c.)-8***** d.)-9 4.)an estimate for ...

### algebra

I keep getting different answers to this 1 question..hoping some1 can help me! 1/4 = 3 - 2x-1/x+2... i get 3 different answers to this 1 question. please help!!

### Algebra

In January sales were 2.08 million. Write the sales for January in standard notation and scientific notation. please help

### algebra 1

The length of a rectangle is 4m more than the width. The area of the rectangle is 45 m squared. Find the length and width. Please help!

### Algebra

How would you write the number 11.836 as mixed number, and how would you write it as a decimal. Please help answer thanks

### Algebra

Please help! True or false and if false, correct the underlined portion. If 9>-3w-51>60 then *-3<w +17<20* Note: these ** represent the underlined portion. I didn't know how else to do it.

### Algebra

Please help! True or false and if false, correct the underlined portion. If 9>-3w-51>60 then *-3<w +17<20* Note: these ** represent the underlined portion. I didn't know how else to do it.

### Algebra I

If a set of ordered pairs is a function, are the ordered pairs also a relation? (Also, please explain why)

### physics

check my anwsers please. How do we detect black holes? I think you observe their gravitational influence on things around them Is that correct? Respectively, Einstein's special theory of relativity and his general theory of relativity replace Newton's theory whenever...? I ...

### Math

Please check my answer thanks :) What is the dollar value of ending inventory if there was 300 units on hand Dec 31 Round your answer to the nearest dollar Use the FIFO method Inventory of windshelid wipers Jan 1 300 units @$11.00=3300 Mar 1 150 units @ $10.5=1575 Jun 1 200 ...

### chem/some1 check my work plz.

nitrogen gas contained in a cylinder with a volume of 5.0x10^2 mL @ a temp of 30C and pressure of 710 torr. The gas is then compresse to a volume of 25mL and the temp. is reaised to 820C. what is the new pressure of the nitrogen gas?? Pf=p1*v1*t1/Tf*Vf P=(700torr)(5.02x10^2mL...

### Chemistry

Hi! I am having some trouble with this question, can you please help me? Which of the following describe chemical properties? Check all that apply. - Iodine (a purple solid) becomes a purple gas. - Titanium is less dense that iron . - Water freezes at 0'C - Sugar burns in air ...

### Calculus Please Check my answers

f is a function that is differentiable for all reals. The value of f ′(x) is given for several values of x in the table below. The table: x -8,-3,0,3,8 f'(x)-4,-2,0,4,5 If f ′(x) is always increasing, which statement about f(x) must be true? f(x) passes through the origin ...

### algebra

This one really threw me off... find the slope of the line containing the points (x, 2x) and (x + h, 2(x +h)) You have to first find the slope, which is change in y over change in x: {[2(x-h)]-2x}/[(x+h)-x] (2x-2h-2x)/(x+h-x) -2h/h m=-2. i don't have an anwser but i need help ...

### Math

1. The base of a fountain is rectangular. Its dimensions are 1 2/3 feet by 2 2/3 feet. What is the are of the base of the fountain? I am confused on how to figure this out. Please help. 2. Bills living room floor is covered with carpet tiles. Each tile s 1 1/2 feet long by 2 3...

### Please check answers/ childcare

hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...

### Algebra

I'm having trouble with inequalities. Basically my problem is about which way the sign goes. Here's an example.. X(X+1)>2 so then it becomes X^2 + X>2 Correct? Then X^2 + X - 2>0 then factor so it becomes (X+2)(X-1)>0 And so I end up with X>-2 and X>1 as my ...

### algebra

1. In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please help Eric to...

### Algebra

In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please help Eric to ...

### college algebra

1. for the given slope-inntercept equation of the line with the following properties parallel to the line y=7; containing the (-3,5) 2. write the equation of the circle in standard form. find the center, radius, intercepts. x^2+y^2+16x-18y+145=25 please show work

### algebra

Triangles ABC and DEF are similar. Find the perimeter of triangle DEF. Round your answer to the nearest tenth. ab=4ft bc=6ft ac=5ft de=6ft ef= 9ft there is no feet given for df Please can anyone help me solve this with steps I don't understand how to do this. Thanking you in ...

### Algebra 2

I need steps on how to complete this please i am so confused and lost. :( Consider the infinite geometric series x e n=1 -4(1/3) n-1. In this image, the lower limit of the summation notation is "n=1". a. Write the first four terms of the series. b. Does the series diverge of ...

### English

Can you please check these sentences which I reworded? Thank you.(Check the word choice please) 1)I sort my rubbish (trash) into four separate bins which are located in a kitchen cupboard under the sink: one is for plastic, one is for paper; one is for food waste; and one is ...

### English

1. We did the clean-up activities near the Nakdong River. 2. We picked up garbage at Haeundae Beach. 3. We picked up trash and put it into a plastic bag. 4. We mopped the floors of the building. 5. We sweeped the floor and cleaned it with a mop. 6. We learned how to use ropes ...

### English

Can you please check if these sentences are grammatically correct,please? Thank you very much. 1)It’s two years since I last saw him (OR I saw him last?) How long is it since you last saw him? 2) I last (is last placed between subject and verb?) saw him two years ago. 3) How...

### Science

The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form a rift valley I ...

### 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^2-x+1) -4x^2(3x+1)(x-...

### dog behavior

please check my answer thank you very much for your help The Premack princciple suggets that A. reinforcement is highly frustrating the dog B. A more desirable activity can serve as a reinforcer for aless desirable activity C reinforcement isn't dependent on the dog ...

### geography

I just wanted to make sure my answers are correct, Can you check it please? Find an example of an area of land that is smaller than a continent and is completely surrounded by water. What term is used to describe this type of land? An example is Jamaica. The term that is used ...

### English Poetry

Define parts of Speech for Jabberwocky I'm on stanza 2 Please check: Beware(v) the(article) Jabberwock(Noun) my (adj) son (noun) The (article) jaws (n) that (pronoun) bite (verb), the(article) claws (noun) that(pronoun) catch (verb) Beware(verb) the(article) Jubjub(adj) bird (...

### HELP! PHYSICS LABS!!

CAN someone please help me...I am so confused and I have little time left to do my assingment, please! I am freaking out! Please help me!! Can someone please explain why when the centripetal force increases, so does the radius, and why when Centripetal force increases, so does...

### math

i still don't get it im comfused on how many centimeters are there in a decimeter, a meter, and a hectometer 10cm=1dm 100cm=1m 10000cm=1hm There are 100 centimeters in a meter. We know that becase of the prefix centi-. Please re-read DrBob222's post. It explains the prefixes ...

### computers please check my answer

List five important points to remember when you're planning a PowerPoint presentation? This what I got say what you need to say in as few lines as possible. I think it's generally recommended no more than 7 lines per slide. Also, make the presentation as short as possible ...

### Grammar Check Ms. Sue

Can you please see what I wrote is in formal language and the grammar is correct.Thank you. In Ellen's relationships all she wants to do get ahead. Ellen fails so miserably with love because the world moves so quickly that she does not have time to stop and think about what is...

### Maths

Dear Genius, Good day! The number of apples in a basket is between 60 and 120. If i put these apples into bags of 5, there will be a remainder of 1 apple. If i put these apples into bags of 8, there will be a remainder of 6 apples. Find the total number of apples in the basket...

### Language Arts (Please check!)

Choose the type of punctuation that is missing from this sentence. The pet store shelves were filled with items I wanted for my pets. a. apostrophe b. semi-colon c. colon d. hyphen ** Choose the type of punctuation that is missing from this sentence. Were invited to the movies...

### Math

*Ms. Sue or Reed, please check my other question as well if you have time, thank you :) 1. Which sentence has proper subject-verb agreement? A) Even my cousin Steve feel sad today. B) Even my cousin Steve look sad today. C) Even my cousin Steve feels sad today. D) Even my ...

### english

Could someone please check for me? I have to list the adverb and then list the word the adverb modifies. 1. She is particularly interested in sports. 2. Have you ever climbed a mountain? 3. Which part of the assignment would you do next? 1.particularly-is interested 2.ever-...

### Math 9

My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. Please help me, thanx sorry I had to repost this question. i ...

### English

Can someone check these sentences, please? I thank you in advance. 1) Lady Macbeth "becomes sleepwalking" 2) Cowardice is the ability to bear the sorrows of our life and to stay alive, while courage is facing death by committing suicide 3) We can't be sure about afterlife. A ...

### Pre Calculus.

Can someone check my answers please!!! Simplify (tan ^2 theta csc^2 theta-1)/(tan^2 theta). My answer: 1 Simplify ((cos x)/(sec x-1)) + ((cos x) /(sec x +1) My answer: 2cot^2 x Find a numerical value of one trigonometric function of x if (tan x/cot x )– (sec x/cos x ) = (2/...

### chemestry please check my anwer.

1.How do acid-base reactions differ from oxidation-reduction (or "redox") reactions? Answer Acid-base reactions involve an exchange of protons whereas redox reactions involve an exchange of electrons.<<< Acid-base reactions and redox reactions involve different ...

### math - please help!!

A lighthouse bears 40 degrees from a ship. After the ship sailed 10.8 miles on a course 130 degrees, the lighthouse bears 334.67 degrees at the ship. Find the distance from the second position of the ship to the lighthouse. Please!!! Lend me your genius minds and help me. I ...

### French

could you please check these thanks. Directions: Indicate whether each of the following statements are true or false. 1. Avant de monter en avion, on passer par le controle de sécurité. Answer: Vrai 2. On sert un repas pendant un vol transatlantique. Answer: Faux 3. On ...

### math--check my answers?

Give an example of an open equation a + b = c + d How can you use an equation to make a prediction from a pattern? (i don't know) pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total ...

### Physics

Please check my answers!! 1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air resistance, what was the mans PE (potential energy) right before he stepped off the diving board? I got 2223.375 Joules after Damon helped me...am I right...

### Chemistry

A solution of I2 was standardized with ascorbic acid. Using a 0.1000-g sample of pure ascorbic acid (C6H8C6), 25.32 ml of I2 were required to reach the starch end point. What is the molarity of the iodine solution? Please check to see if I did this right: (0.1000g Ascorbic ...

### Global Studies (Please check)

Why did English settlers come to America? a. to find gold b. to become fur traders c. to start a new life *** d. to become missionaries How did the industrial revolution affect the poor in the late 1800's? a. The city slums emptied b. The life of the poor did not improve *** c...

### PLEASE HELP ME MATH

someone please help i hav posted my questions like 5 times and no one is answering, can someone please solve these inequalitys 6y+1<19 2r-8>6 b-5>-2 2y+1<-5 4x-6>-10

### Math

Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right. Please Help Me I try and try and nothing please please help me !!!!! :( :(

### Math

Please help me now this is my homework which I really had a hard time dealing with it. Find the function of the sequence. 1.) -1,1,3,5,7 2.) 8,-1,-10 Please, please help me now!

### English

W:Hello. May I speak to Mr. Johnson? M: Speaking. 1. Who's calling, please? -------------------------- 2. Who's talking, please? 3. Who's speaking, please? (Can we use #2 and #3 instead of #1 in telephone conversation?)

### Math

For my class my topic is circles but i need a catchy phrase or slogan or anything that rhymes with circle to remember circle by. can anyone help me please PLEASE PLEASE!!! thank you

### Math repost for Jordan

REALLY NEED HELP WITH MY HOMEWORK AND I WAS WANTING TO KNOW IF YOU GUYS HELP ME WITH IT SO PLEASE PLEASE PLEASE HELP ME WITH IT BECAUSE IT REALLY IS HARD YOU KNOW YEA OR NEA OR MAYBAY!

### Romeo and Juliet HELP

Could you please, please help me with this quick question thanks and god bless. IN line 72 what does Juliet's answer reveal about her character? I'm not sure could you please help me thanks.

### Romeo and Juliet HELP

Could you please, please help me with this quick question thanks and god bless. IN line 72 what does Juliet's answer reveal about her character? I'm not sure could you please help me thanks.

### NEED HELP PLEASE

The websites are confusing! Can someone please explain what a revenue variance is? I want to do my homework for a spreadsheet I downloaded. I just need the definition, please.

### Math SOmeone please please help

Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.

### Math (please please please help!)

Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck

### French

Could you please check these thanks. Directions: Use with only the d form(de la, de l' des, or du) Au marché, Jean-Marc achète (1)------- pain, (2)------- jambon, (3) ------- fromage, (4)-------- fraises et (5)------- crème. Il va préparer (6)------ sandwichs au jambon et ...

### Science Check Please

Which of these is true? The nervous system doesn't react as quickly as the endocrine system. The endocrine system doesn't react as quickly as the nervous system. (My Answer) The nervous system and the endocrine system have similar reaction times. The endocrine system and the ...

### MATH

I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field that measures 25 ft by ...

### Problem Solving

Can someone please check my answers for the following problems. 1. Charles works at the movies. He gets paid 10.50 an hour. Charles normally works 8 hours a day, 40 hours a week and gets paid every two weeks. Last week Monday Charles called in sick. On Wednesday Charles only ...

### Math Check

A bank offers two interest account plans. Plan A gives you 6% interest compounded annually. Plan B gives you 13% annual simple interest. You plan to invest 2,000 for the next 4 years. Which account earns you the most interest (in dollars) after 4 years? How much will you have ...

### English

Please Check my answers for Chapter 16 of the scarlet letter The narrator hints in the first paragraph that A.Hester's sin is not unique in the community B.The minister is concerned about causing a scandal c.Any interference from Chillingworth would be cleverly concealed D.The...

### algebra 2

to determine the number of deer in a game preserve a conservationist catches 330 deer tags them and lets them loose later 672 deers are cought 168 of them are tagged how many deer are in the preserve I don't now how to get the answer can someone work this for me please. Thank you

### Algebra I

Please show me how to solve: The value of a $20,000 car decreases every year, t. The equation below models this situation: 20000(1-0.04t)=13,000. After how many years will the car be worth $13,000. Round to the nearest tenth if necessary.

### Algebra help please

Part A: Divide (16x^5y^4 + 6x^3y - 2x^2y - 24x^2y^4) by -2x^2y. Part B: How would your answer in Part A be affected if the x2 variable in the denominator was just an x? Part C: What is the degree and classification of the polynomial you got in Part A? Is this first part right...

### Check answer

Does (-2)^7 = -2^7

### math- check me

(-3)/(5)y=-15 Does y=25

### math check

2k=14.6 K=29.2

### math *check*

x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9

### Math

Check for 2/3(k+8)=52

### Check answers?

1. (3x + 4)(x – 2) A)3x^2 – 2x – 8 B)x – 8 C)3x – 2x – 8 *** D)3x^2 + 2x + 8

### help

do you check papers

### Language Arts

Circle the correct form of the pronoun 1. Jane and Sarah said (she, they) were too tired to skate any longer. Circle they 2. Either Bill or John will bring a sample of (his, their) own work. Circle their 3. Jane and Jill called (her, their) friend. Circle their 4. Neither Mary...

### PLEASE HELP WITH ALGEBRA

Please show me all the steps to solving the problem also you can use comment field to explain the work QUESTION: a box contains 95 pink rubber bands and 90 brown rubber bands. you select a rubber band at random from the box. find each probability. write the probability as a ...

### statistics help please

The employment percentages for men versus women in a computer company last year were 80% and 40%, respectively. At the beginning of this year, they had 150 men and 60 women currently hired. The owner of the company wishes to check their hiring practices and ensure that the ...

### English

Which of the following choices is a good strategy for reviewing a first draft? a.check it closely for spelling errors b.think about who will read it and why c.read it out loudly d.post it on the internet e.none of the above I know that a,b,and d are just wrong and I think ...

### chemistry Damon check my calculation

25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of this solution required 20ml of n/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in ...

### Physics (please check!!!)

Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This alignment corresponds to a ...

### English

this is a paragraph for a paper can someone please check the grammar? Only a small portion of the population in the United States are attending schools, and that small portion are people who really want to stand out and have a life full of joys and success. College is the ...

### advanced algebra

we are working with logarithms and i don't understand them at all! I get the basic content but then it gets a little more advanced, and I get completely confused. There's one in particular that I have NO idea how to do. Help please?! Simplify: 3 ^ [log(base 9)2 + log(base 9)4...

### algebra

I don't understand how to do this, can someone please help me? To determine the number of deer in a game preserve, a conservationist catches 391 deer, tags them and lets them lose. Later 534 deer are caught; 178 of them are tagged. How many total deer are in the preserve?

### Algebra

Ok, so , I have the question: -5=-8+5f. I'ev figured out that I have to add 8 to both sides of the equation,but now I'm stuck because I'm left with -3+5f=? And I can't figure out what should be on the other side of the equals sign. Please help! I'm a figure skater, not a ...

### Intermediate Algebra

Determine whether the point (1, 8) is a solution of the system 2x + 6y = 50 10x + 0y = 10 by substituting the point into each equation. So far I have: 2x=6y=50 y=50-2x 10x+10y=10 10x+0(50-2x)=10 10x+0=10 x=10 y=50-2x y=50-2(1) y=50-2 y=48 PLEASE HELP! I'm lost. I've had ...

### 8th grade algebra: radicals

please help me solve these 1. 2√5/8 + 4√3/8 - 1/2√68 2. √4k-5 +1=8 (the radical sign goes over 4k-5) 3. (x+4)*2 /3 =8 4. Write the value of the discriminant of each equation. Then use it to decide how many different real-number roots the equation has. x...

### Algebra

Totally confused-learned this today and I don't get it-Please help Write the standard form of 9x^2 + 4y^2-72x+16y+124=0 I think the first step is to take the constant to right side so I have: 9x^2 + 4y^2-72x+16y=124 But then I'm lost!

### algebra

Find the future value of an ordinary annuity. Payments are made and interest is compounded as follows: R=600 7% interest compounded quarterly for 5 years I set this up as follows and still am getting the wrong answer: 500 (1.07)^5-1/0.07 Please help!!

### college algebra

write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)-In(x^2-4) solve the following logarithmic equation. 2. log_9(x-2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal places. please show work

### college algebra

CRITICAL THINKING : Without grouping symbols,the expression 2.3³ + 4 has a value of 58.Insert grouping symbols in the expression 2.3³ + 4 to produce the following values : 1. 65 2. 220 3. 4374 4. 279,936 Please help me. Show all how you solve it..

### Algebra 2

Please help... The answer key says that the answer is 0.84...I want to understand how... Bobursley, the way you do it is incorrect... A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?

### Algebra 2

Can someone please help me do the follow problem... ...The cost (in dollars) of producing x sneakers in a factory is given by c(x)=60x+750. The number of sneakers produced in (t) hours is given by x(t)=50t. Fund c(x(t)). Evaluate c(x(5)) and explain what this number represents.

### Sixth Grade Pre Algebra

Can someone please help me ? I think I'm supposed to put all the like terms together, but I can't remember how to do this. I asked my mom but she can't remember. Solve for x 6x - 6 equals 2x - 26 Solve for x 2x - 1 equals -5x - 85 Thank you very much. Can you explain?

### intermidate alegebra

I need help with two problem please. 4m^+20m+25= over the m is 2. w3+5w^-w=5 Please help me. over the w is three and 5w is 2. so could please help me this had to be done tonight.

### IL state law please

What is the hourly minimum wage in the state of Illinois please? Please refer me to the dollars and cents amount.

### pre-Algebra

How can you solve algebra equations? The idea is to find a way to isolate the unknown by itself. You can add, subtract, multiply, and divide both </s> sides of the equal signs to do that.

### pre-calc.

Answers for Determine The Minimum Distance From The Point (18,20) To The Line 5x+8y=120 Include: Graph, Algebra Of Any Equations, Algebra Of System, Set-up & Steps Of Final Calculations.

### Chemistry

Hi, I was given the reactants for the chemical reaction and I am supposed to write the product. The equation must be balanced. Can someboy please check my work? Thanks :-) 3NaOH + Fe(NO3)3 --> Fe(OH)3 + 3Na(NO3) 2NH3 --> N2 + 3H2 2H2 + o2 --> 2H2O 4Mg + H2SO4 --> ...