# Algebra, help + check please

105,144 results, page 88

### Physics please check

Please tell me where i went wrong. During an all-night cram session, a student heats up a one-half liter (0.50 10-3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19°C, and the beaker is filled to the brim. A short time later when the student returns, ...

### English

1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a comic book. 7. He is ...

### Q&A Check Please, geo 7th grade

Toronto reflects more of the British culture rather than the French culture. TRUE? Which of the following Canadian region is best described as undeveloped because of its harsh climate and terrain? a. Northern Territories b. British Columbia c. Yukon d. Alberta D?? he province ...

### maths

Using the digits 1, 2, 3 & 4 each once only, and as many +, -, x, / and brackets as you need, try to make as many different numbers as you can, starting at 0, 1, 2 .... Which is the first number that you cannot make? My answer is 3. Which is the largest number you can make? My...

### Math

Using the digits 1, 2, 3 & 4 each once only, and as many +, -, x, / and brackets as you need, try to make as many different numbers as you can, starting at 0, 1, 2 .... Which is the first number that you cannot make? My answer is 3. Which is the largest number you can make? My...

### English

Writeacher, I need your help to check a few things. Thank you. 1) At the first time Clare didn't say if she was free, but the next day she confirmed she was able to go to the cinema. (Can you check this sentence for me?) 2) I would like to enrol at the faculty of Engineering. ...

### Algebra

(3*10 to the second power)(1.5*10 the the negative fifth power) SCIENTIFIC NOTATION: 4.5*10 to the negative third power My question is what is the standard form I got 4500 but if I look closely at the problem I don't think that's possible please tell me if 4500 is correct

### algebra

The base of an isosceles triangle and one of its legs have lengths that have consecutive integers. The leg is longer than the base. The perimeter of the triangle is 20. Find the length of each side of the triangle. *Please help me- I am having a really bad day. Thank you.*

### Algebra II repost, pls help

What two numbers are represented by each of the following? -6+/- sqrt 6 -6 plus or minus square root 6 not sure how to type the question. I think the answers are -6 + sqrt 6 -6 - sqrt 6 I'm just not sure what the question is actually asking for. Could someone please help me. ...

### Algebra 2

Need help PLEASE!! Question is: There is no Closure Property of Division that applies to Integers. For example 2 divided by 3 is not an interger. What is another example of real numbers that does not have a Closure Property for one of the basic operations? Give an example to ...

### Algebra

Hi I need help with this problem full solution only please: Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

### Math-Algebra

A family is building a circular fountain in the backyard. The yard is rectangular and measures 7x by 6x and the fountain is going to be circular with a radius of 2x. Once the fountain is built, what will be the area of the remaining yard? Can someone please walk me through ...

### please, please help

can someone please help me on my earlier post?

### math please help me

18n-20 = 36-10n then what is n? please please help me

### ALGEBRA 1

Use inductive reasoning to predict the next Number in each sequence. 1.3,7,11,15... i figure this to be 19 because each number following the first is a difference of 4. 2. 1,-2,4,-8 this is abit difficult for me. I am guessing the answer tobe 10. I cant'even explain how I ...

### Algebra

The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. Total ticket sales were $1050. How many tickets of each type were sold? Instructions: Write an equation to model each situation. Can someone please tell me HOW to do this and ...

### English 10

Can someone please check my answers for me please 1. Which of the following is NOT a behavior associated with editing? checking your spelling cleaning up formatting developing a subtopic fixing punctuation errors (MY ANSWER) 2. True or False: The purpose of editing is to make ...

### Geometry proving quadrilaterals

Proving quadrilaterals PLEASE PLEASE PLEASE HELP *the diagonals of a square bisect the vertex angle * the diagonal of a rhombus are perpendicular *each diagonal of a rhombus bisects the opposite angles of the rhombus help me prove please how ? tell me

### math

which number has the greatest value? a 3.5 b square root of 15** c square root of 1/16 d 26/100 which number is an irrational number? a 3.5 b square root of 36 c square root of 48 d 37/100*** If a is a rational number and b is an irrational number, then the sum a + b is A)...

### Algebra 1- Math

The owner of a pet store spent $236 on 10 dogs and cats. The cats cost &18 each and the dogs cost &26 each. How many of each did the owner buy? Mrs. Sue Please help or any other person

### algebra

a ribbon is 3 2/3 yards long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. use the model to find the number of pieces she can cut. Please help answer. thanks.

### Algebra

Which 3 ratios are equivalent to the ratio of cups of water to cups of milk in a recipe 1 to 3? Also, the ratio of boys to girls on the bus is 20/15? What are 3 equivalent ratios of 20/15. Please help answer both ? Thx

### Algebra 8th grade.

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2 Please help!!!!

### Algebra

I have to solve an inverse function. f(x)=x+6 and g(x)=x+6 f(x)=1/4x,x is equal to or not equal to 0 g(x)=1/4x,x is equal to or not equal to 0 Please help me I have been on this one problem for hours and I can't get it. This one question will determine whether or not I pass ...

### Introductory Algebra

the length of a rectangle is 7 meters more than twice the width. the perimeter is 68 meters. solve for length and width. I need this step by step using the blueprint...please.

### Algebra

I need help on only one question on Algebra 12q=three eights I got one over twenty four (Dividing Equations)

### English composition

I also bought a timer. After I turn thes witch to the right, clockwise, if I put the point on the switch to the time, it will ring after the time. We don't need a battery in this product, for it has a mechinacal spring. It is useful when you cook instant noodles over a stove. ...

### Chemistry

Can some please check my answers for the following questions? THANK YOU. 1)The chemical formula for aspirin is C9H8O4. What is the mass of 0.40 mol of aspirin? ANSWER: 45 g 2)The gram molecular mass of oxygen is. ANSWER: 16.0 g 3)What is the mass, in grams, of 3.01 x 10^23 ...

### rfvv

The dentist's is very busy, so we have to book the visit beforehand. You have to have your decayed tooth pulled out, but we have to wait for about one month? Can you wait? If you feel painful from time to time, let's go to the dentist's and if a doctor can spare time for you, ...

### math

can you please check my work. The time in minutes that it took five students to complete the math test was 45, 27, 30, 25, and 48. What is the mean absolute deviation of the times? I did 25+27+30+45+48= 175 then I divided it by the 5 students. 175/5= 35 so now I did the ...

### English

Can you please check these sentences I'm doubtful about? Thank you. 1)Can you dress the Christmas tree with festoons? 2) hall we go to the cinema? I'd rather stay at home./I'd prefer to stay at home. 3)I'd like (a?) grilled chicken breast, (a) home-baked rasperry cake. 4) ...

### Algebra

Find the GCF for each of the following groups of numbers. 36, 54, and 180 Find the LCM for each of the following groups of numbers. Use whichever method you wish. 8, 15, and 20 can anyone IM me or email how to SIMJPLIFY RADICAL EXPRESSIONS please?

### Algebra 1

"The sum of two measures of two angles is 180 degrees. What is the measure of each angle if one angle is 30 degrees more than twice the other?" would the equation be: x+(2x+30)=180 ???? if it isn't, please explain! thanks!

### algebra/math

Rico's collection of quaters and dimes contains $32.85. There are 171 coins in all How many quarters and how many dimes are in Rico's collection? i solve these with 2 equation. would they be: q + d = 171 25q + 10d = 32.85 help me please.

### Algebra 1

Solve this 5y+4x=4. Can someone please help me solve this step by step. I am learning,but It always helps clear things when things are explain. However, I am grateful for any help anyone can provide me. Thank you so very much. Your help is always appreciated.

### Algebra 1

A line passes through (4,2) and is parallel to the graph of x= -3. What equation represents the line in slope-intercept form? It doesn't give me enough information to turn it into slope-intercept form. HELP ME PLEASE!!??!!

### algebra

can you please explain how you may have gotten the answer thanks:) The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2

### Pre-Algebra Help

Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many feer throws she makes? A. About 16 B. About 2 C. About 20 D. About 14 Please, Ms. Sue or someone, help me!!

### Pre-Algebra

How does finding the square root of a number compared to finding the cube root off a number use number 64 in your explanation. xx check my answer ;3 the square root of a number is a number which when multiplied twice by itself gives the number that was used to find such. &#...

### math

can please someone check my answer Q.) 30% of the adult population was offline in terms of being able or willing to access the internet. New data relating to the year 2010 (sourced from The Office for National Statistics) indicated that this group numbered 9.2 million in 2010...

### spanish/check please

Va de compras con una amiga.Te dice que necesita comprar y tu' le das consejos usando palabras como (este,esta,y esto) ( Hint tell your friend to buy clothes) Necessito unos pantalones-------Compra (estos) pantalones Necessito una camiseta-----Compra (etsa) camiseta Necessito ...

### spanish/check please

Va de compras con una amiga.Te dice que necesita comprar y tu' le das consejos usando palabras como (este,esta,y esto) ( Hint tell your friend to buy clothes) Necessito unos pantalones-------Compra (estos) pantalones Necessito una camiseta-----Compra (etsa) camiseta Necessito ...

### U.S. History (Check, Please!)

What was the significance of the Soviet Union's launching of Sputnik in 1957? A: The Soviet Unions's launching of Sputnik in 1957 led Congress to create the National Aeronautics and Space Administration (NASA) to coordinate research in rock science and space exploration. It ...

### French #2

Can someone check over my short paragraph thing please? Voici mon poster. C'est importante pour moi parceque il (reminds) moi de mon livre favorite dans (grade 5). Je (got it as a prize) de la chance de draw). Heres the english: This is my poster. It is importante to me ...

### Mtahs Metre to millimetres

Hi, Can anyone please check the following scientific metre to millimetre calculation for me:- Subtract the second figure from the second 0.28432882m, 0.28052258m to milliemtres to (1 d.p.) In 1m there are 1000mm, 0.28432882m x 1000 = 284.32882mm 0.28052258m x 1000 = 280....

### Algebra

I Need Help Please!!!!!! A rectangular table is two times as long as it is wide. If the area is 18ft^2, find the length and the width of the table. The width of the table is ------ ft. The length of the table is ------ ft.

### algebra, help please

Have to make an equation using the numbers 2,3,6,8 and the symbols +,-, and x. Must equal 17 and can't use numbers twice. I can come up with an equation but had to use the 3 twice.

### Algebra

If i take 5000 calls at 78% service level, how many calls would I need to take at 100% to equal an overall service level of 80% Please post formula

### Algebra

I cannot solve the problem please help me. I'm suppose to set the equations up to solve for t. x = y + rt + at^2/2 Even when I plug in the values I don't get the answer. x = 16.4 y= 0 r= 0*cos(45)a=0 t is suppose to equal 2.32 if I set the problem up correctly.

### algebra

Can someone please explain What polynomial has a graph that passes through the given points? (–4, 89), (–3, 7), (–1, –1), (1, –1), (4, 329) y = 2x3 – 3x2 – 2x + 1 y = 1x4 – 2x3 – 3x2 + 2x + 1 y = x4 – 2x3 + 3x2 + 2x – 1 y = x4 + 2x3 – 3x2 – 2x + 1

### college algebra

use the remainder theorem to find the remainder when f(x) is divided by x+2. then use the factor theorem to determine whether x+2 is a factor of f(x). f(x)=4x^6+36x^3+32 please show work

### Algebra. NEED HELP ASAP PLEASE

The fourth month this year, you have $368 saved. At the twelfth month this year, you have saved $504. What is your savings rate?

### Algebra

A clock's minute hand moves 60 grade in 10 minutes and 180 grade in 30 minutes low far does it move from 11:00 to 11:40? What is the problem asking you to find? The measure of the angle on a clock from What do you need to know to solve the problem? What is the measure of the ...

### To Sherry: Intermediate Algebra

I've deleted most of the two dozen questions you've posted in the last several hours. You've obviously dumped all of your homework here and have shown no attempt or effort on your part. Jiskha tutors will be glad to help you, but we don't aid and abet cheaters. Please explain ...

### algebra

I have a problem with this: y=1.5x Questions: What is the rate of change between the variables? State whether the y values are increasing or decreasing, or neither, as x increases Give the y intercept List the coordinates of two points that lie on the graph of the line in the ...

### Early Child Ed.

Please check these questions and my answers: 1.For children who are learning English as a second language, context-embedded activities enhance which? A) written language B) child-child socialization C) vocabulary development D) assimilation into the mainstream 2. Which of the ...

### Chemistry

IGNORE MY FIRST POST. I CORRECTED THIS ONE Write IUPAC name of the following alkanes: 1. (CH3)3-C-CH2-CH2-CH3 Would the name be 2-dimethylpentane? 2. CH3CHCH2CHCH2CH2CH3 with a CH3 attached to the 2nd carbon and the 4th carbon. Would the name be 2,4-dimethylheptane? 3. CH3-C-C...

### Physics PLEASE

I'm trying to solve this problem Calculate (a) how long it took King Kong to fall straight down form the top of the Empire State Building (380 m high), and (b) his velocity just before "landing". My teacher said try and rearagne this equation for t X = Xo + Vo t + 2^-1 a t^2 ...

### English

Can you please check these sentences for me? Thank you 1) I went to a winter camp in the mountains with people from my parish. (How do you call the house owned by the parish where people can spend their summer or winter holidays? 2)The weather was bad (Or We had awful/terrible...

### Physics Please check my answers

1. Complete reflection is the special case of refraction at an angle of 180. True. False. 2. A resonant frequency is the same as a natural frequency. True. False. 3. For a standing wave, the number of segments is an integer equal to the number of half-wavelengths. True. False...

### English

1. The staff meeting will be finished next Tuesday. 2. The staff meeting will be finished in two hours. 3. The staff meeting will be finished after two hours. 4. The staff meeting will be finished tomorrow. 5. The staff meeting will be finished by tomorrow...

### Physics(Please check)

A car (mass = 1140 kg) is traveling at 27.3 m/s when it collides head-on with a sport utility vehicle (mass = 2380 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling? I did 1140(27.3...

### Algebra

solve for x: square root 2x+3 = square root 6x - 1. A.) 1 B.) 2 C.) 3 D.) square root 6 I don't know how to do these so will you please show your work. Thsnk You.

### U.S. History (Check, Please!) (Ms. Sue)

1. What strategy did the United States Navy use to advance across the Pacific? A: To advance across the Pacific, the United States Navy hopped from one island to another. 2. Explain why D-Day's success was so vital to an Allied victory. A: D-Day's success was extremely vital ...

### chemistry check

A) Write a balanced chemical equation for the reaction between sulfuric acid and potassium hydroxide. I got H2SO4 + KOH ---> H2OH + KSO4 B) Write the ionic equation for the reaction. H2 + S2O4-2 + K + OH- ---> H2 + OH + K2SO4-2 C) Write the net ionic equation I'm not ...

### Algebra

I get facturing but it takes me forever to guess and check and then 30 minutes later to get it. Am I doing this right? I need help with this problem 8x^2-34x+35 Here are a couple decent sites: http://www.jamesbrennan.org/algebra/polynomials/factoring_polynomials.htm http://www...

### physics

please check these; a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a 0.28 kg aluminum ...

### physics

please check these; a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a 0.28 kg aluminum ...

### Algebra

How do you find the zeroes of the 1/2x^3-x? I factoried it so it would be 1/2x(x^2)-x. The one zero would then be zero, which matches with my book's answer. But I have no idea how my book got +/- the sq. root of two for the other one. Can you demonstrate, please?

### algebra HELP PLEASE

Selling shirts. If a vendor charges p dollars each for rugby shirts, then he expects to sell 2000 100p shirts at a tournament a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. b) Find R(5), R(10), and R(20).

### Algebra 2

The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 more than the original number. Find the original number. I hate silly word problems like this, please help me out.

### algebra

The sum of the digits of a two-digit number is eleven. If the digits are reversed, the new number is sixty-three less than the original number. Find the original number. Help? &explain how you got the answer please.

### Implicit Differentiation

Use implicit differentiation to find the slope of the tangent line to the curve y/x+6y=x^2–6 at the point (1,–5/31) . Again i think i'm messing up with the algebra here. I used quotient rule to get [(x+6y)(y')-(y)(1+6y')]/(x+6y)^2=2x I don't know how to go from here to ...

### algebra 2 help please

Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first? a) 1/18 b) 1/3 c) 1/6 d) 1/13

### Math/Algebra

I really need help! I have a paper due tomorrow and I can't find out this answer. Can you help me? The question says this: -2=n+5. Under it it says: (-2)-____=n+5-____. I know that n equals -7 but I can't find out the blanks. Please help!

### Math Algebra

The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5) scale factor of 2 This question is confusing me and is worth 3 points please help :)

### Algebra

One hour = 3,600 seconds and 1 mile= 5,280 feet. MAke a conjecture about how you could convert a speed of 15 miles per hour to feet per second. Then convert please help answer

### algebra, series

The sum of the first n terms of a series is 1-(3/4). Obtain an expression for the nth term of the series. Prove that the series is geometric, and state the values of the first term and the common ratio. Please show workings

### Check My History Please

1. When the Texas Railroad Commission enforced new restrictions in 1931, those that benefited most were individual wildcatters. small oil operators. large oil companies. Texas state officials.* 2. The geographic area hardest hit by drought in the 1930s is called the East Texas...

### chemistry

Under the appropriate conditions, NO forms NO2 and N2O: 3NO(g) <--> N2O(g) + NO2(g) Use the values for delta G naught for the following reactions to calculate the value of Kp for the above reaction at 500.0 C 2NO(g) + O2(g) <--> 2NO(g) delta g=-69.7 kJ 2N2O(g) <...

### Math (Check

Subtract and Simplify 2/3 - 1/5 = 1/2

### math

hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks

### Math check 3

Simplify: 9/(y+8)-y/(y-2)+(y^2+4)/(y^2+6y-16) IS the answer y-14/(y-2)(y+8)?

### Math check

subtract: 3+5i-(-4+6i) is the answer 7-i?

### math check

subtract: 3+5i-(-4+6i) is the answer 7-i?

### math

can you check if answer is right? a^2b -c when a=4 b=8 and c=12

### social studies

what are check and balances?

### math

solve and check results 3x + 7(x-2)-13=12-3x

### math

Solve,graph,and check 12<6x+b

### UOP

necessary to perform a check?

### equation

Solve algebraically and check y = x^2 - 3 x + y = -1

### math

solve the equation and check 1.9(5-x)=1.7(3-x)

### math

solve the equation and check 1/5(y+3)+3=1/10(7y-4)-5

### math

solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4

### Math - derivative of f(x) (check)

f(x) - x/(x-1) then f'(x) = -1/(x-1)^2 is that correct?

### math 050

Solve and check 2/3=x/42

### Math

estimate a 15% tip on a $42.65 check

### math- check me

f(x)=3 -4|-11+x| -4|-11+3| -4|8| Do I divide or multiply?

### intermediate algebraDivide

divide and check t^2 - 13 --------- t - 4