# Algebra, help + check please

104,801 results, page 70

### Algebra II

I need to rewrite this with rational exponents. (√3mn)^9 I have no clue of what I need to do. Can someone please take me step by step?

### Algebra 1

Translate to an inequality using the variable x. The number of people in the chess club is less than or equal to 21. Please let me know if this is correct. x >= (less than or equal to) 21 Thanks for you help

### algebra

Can someone help me figure this out please? when you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? thank you anyone

### Algebra

Use the Quadratic equation to determine the last day that cowboy hats will be sold. cowboy hats = -0.4x^2 + 20x + 10 Please help me work through this.

### Algebra

Solve. Please show all of your work. The sum of twice a number and 4 less than the number is the same as the difference between -32 and the number. What is the number?

### algebra

Which set of numbers does -55 belon? natural whole integers irrational i'm not sure but leaning towards natural or whole. Can someone please help?

### Algebra

How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver? Please help me set this problem up

### algebra

x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please

### algebra

simplify: 6sqrt7-sqrt7 A. 6 sqrt7 B. 5 sqrt 7 C. 5 D. 6 Simplify: 2sqrt12+ sqrt3 A.5sqrt3 B. 3sqrt3 C. 2sqrt15 D. 3sqrt15 Need help on these please

### algebra 2

samara solved 1/5 divided by 10 by using a related multiplication expression. Which multiplication expression did she solve? Please show work and help answer thanks

### Algebra please can you ck my work

Evaluate the given expressions (to two decimal places). log 1.69 =123 log 2^512 = .09 log 2^1 = 0 log o.o46 =1.34 Thank you

### college algebra

compare and contrast the ways in which solving a linear inequality is similar / dissimilar to solving a linear equation please explain

### algebra 1

A store’s cost for a stereo was \$27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!

### algebra 1

A store’s cost for a stereo was \$27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!

### Algebra 2

Find the equation for the parabola with the given vertex that passes through the given points. vertex (-4,2) point (-3,0) please show work!!!

### Algebra 2

simplify each expression. rationalize all denominators. assume that all variables are positive (1-sqrt(3x))/(sqrt(6x)) Please show work!!!!

### Algebra 2

How are the real solutions of a quadratic equation related to the graph of the quadratic function? Please help? How do I make a real-world situation out of this?

### Algebra 2

Given the expression 5a^2b – 13ab + 7a^3 – 4b, do the following as instructed below: Put it in decending order. I got 7a^3+5a^2b-4b-13ab. Is it correct? If not please correct me.

Add or Subtract for #3-4 3. (2x2 + 6x + 1) + (–7x2 + 2x – 3) 5x2 – 4x – 2 –5x2 + 8x – 2 5x2 – 8x + 2 –9x2 – 8x + 2 4. (3x2 – 7x – 4) – (6x2 – 6x + 1) –3x2 – x –5 –3x2 –13x + 5 9x2 – x + 5 3x2 – 13x – 5 My answers: 3. 5x2 – 8x + 2 4...

### English

Can you please check these ideas on stress and young people, please? Thank you vey much for helping me finding an excellent site on science!! 1) The two things teenagers are most stressed about are how to make new friends and how to improve their school performances. 2) Their ...

### math

The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of 36.8 yards and a width of 27.9 yards. Find the area of Ann's backyard. 36.8x27.9=1026.72area of ann's backyard can someone please check my answer?

X=(Vo cos Q) t X=(3.107 cos 0)(0.443) I just wanted to make sure that I put this equation into my calculator correctly. I have a TI-30 so first I put in 0 then cos to get 1. Then I multiplied by 3.107 to get 3.107 and then multiplied by 0.443 to get 1.376 . Did I do this ...

### Math

a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

### English Expression

One person is very tall, but the other is very short. The big man is wearing a hat, a green jacket and yellow pants. The short man is wearing a blue hat, a white jacket and black pants. ----------------- Is the passage above grammatical? Would you check it, please?

### algebra

A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 9-4/4 = 13/3 simplify by removing factors of 1 : 7y-14/7y add: x+6/x + x/...

### geography

Can you please check my answers? 1. Which is larger, the Red Sea or the Mediterranean Sea? The Mediterranean Sea 2. How many degrees are there between the Tropics of Capricorn and Cancer? There are 46 degrees between them. 3. What is the capital of Turkey, a country which ...

### Chemistry(Please just check, thank you)

1) The approximate pH of a 3.0 X 10^-3 M solution of the strong acid H2SO4 is? I did pH= -log(3.0 X 10^-3) = 2.5 2)If HCLO2 is a stronger acid than HF, which is stronger than HOCL, then the order of strengths of the conjugate bases of these acids is? My answer is CLO2^-^ < ...

. The insoluble salts AV, B2W, C2X3, DY2, and EZ3, which were formed from the metal ions A+, B+, C3+, D2+, and E3+ and the nonmetal ions V1– , W2–, X2–, Y1–, and Z1–, all have the same Ksp value. The salt with the highest molar solubility is AV B2W C2X3 DY2 EZ3 I ...

### Physics

If a wire of resistance R, resistivity ñ "roe", length L, and cross sectional area A, had its length doubled and radius halved, what would be the ratio of R'/R. Where R' is the new resistance of the wire. I thought it would be 4 times R, giving the ratio of 4R:R' However, I ...

### Science Can You Please Check

1. DNA is found in ____ cells. sex sperm all* no 2. A ____ is part of the DNA code on a chromosome. gene* genotype phenotype gender 3. ____ is defined as either male or female except for rare species that have the ability to change sex. Competition Phenotype Genotype Gender*

### Please Check My Work: College Physics

Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20 m/s can safely negotiate the curve if the radius of the curve is 200m. * Data: v=20 m/s r=200m *Formula TAN(theta)=v^2/rg *Solution TAN(theta)=(20 m/s)^2/(200m)(9.8 m/s^2) TAN(theta...

### algebra

Can some kind soul please assist me with this question? :) Simplify the expression. Use only positive exponents: (4p^2q)(p^2q^3) Bless you! 4 p^4 q^4 Exponents add when multiplying Even when there's two sets of parenthesese?

### Algebra

Write the verbal sentence as an equation, or an inequality: Fifty multiplied by the quantity twenty divided by a number n is greater than or equal to two hundred fifty. Am I on the right track: 50 * 20 / n > 250 - Please help me...

### algebra

How do I solve this with the elimination method? 5x-10y=4 5x-10y=5 I need x=, and y= to get an ordered pair, but every time I mult. by a neg, everything goes away instead of just one variable! please help!

### Algebra I

I have been trying to figure this out for a long time to no avail. Can you please help. Also, are there any rules that help figuring these out? write a rule for the function represented by the graph. domain: 0,3,6,9 range : -2,-1,0,1

### math algebra

not sure about this can someone please help me solve for x using the addition principle x+10=-13 Now I added 10 to both sides 10 + 10 that gives me 20 then I added -13 +10 = -3 my x is the 20 or did I mess this problem up all the way around?

### Algebra 2

Soo the equation is 25y^2-9x^2-200y-36x+139=0 and for the center is got (2,4) and the vertices I got (2,7) and (2,1) But i cant figure out how to find the slopes of the asymptotes and it wants the answer is reduced fraction please explain

### Algebra

I have major issues with problems like these,please I need help. For these systems of linear equations in questions -Determine how many solutions exist -Use either elimination or substitution to find the solutions (if any) 1. y = 2x + 3 and y = -x - 4 2. 2x + 3y = 8 and 3x + ...

### ALGEBRA 2

Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^3-2197 x= PLEASE, help me with this one problem I am stuck on! THANKS!

### ALGEBRA 2

Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^3-2197 x= PLEASE, help me with this one problem I am stuck on! THANKS!

### Algebra

Please show your work... How do you do this? A taxicab charges \$.90 for the first 1/5 mile and \$.60 for each additional 1/5 mile. If a customer rides in this cab for m miles (m>1/5) , which of the following functions descibes the cost,c(m), of this tax ride in dollars?

### Algebra

Please show your work... How do you do this? A taxicab charges \$.90 for the first 1/5 mile and \$.60 for each additional 1/5 mile. If a customer rides in this cab for m miles (m>1/5) , which of the following functions descibes the cost,c(m), of this tax ride in dollars?

### Pre-Algebra

Can someone PLEASE explain to me what the formula is for finding the surface area of a pyramid? I am on this lesson from my school and I can't quite understand what the formula is. If you can also give an example of a problem, that would be great! :)

### algebra

Solve using the Quadratic Formula (Find all complex-number solutions.) x2 + 4x + 6 = 0 I do not get this at all and this is just practice exercise. Please help as I have a test next week and if I do not get at least a C, I will not graduate. Thank you Thank you!!

### Algebra HELP!

Solve by substitute: 1) y=2x-1 2x+2y=22 Solove by emlimination: 1) 5x+4y=-83 3x-3y=-12 Solve using a method of your choice: 1) x+2y=23 5x+10y=55 2) y=x+1 2x-2y=-2 Please help me I don't understand any of this, it's my second day of school and I already feel like a failure and ...

### algebra

I previously made a mistake by leaving out an exponent from this expression;Steve wisely pointed out the error.Thank you. Will you please simplify the corrected problem. (4t)^-2 t^0/t^6 v^-8 Thank you so much.I'll be more careful in the future.

### Algebra -repost

I am reposting my question. Thank you Bob for explaining how to write it.. In ASCII format: (8x^2y^0z^6)2^ + 3x^2z^12 + 5y^0z^12 64x4^y2^z8^ + 3x2^ + z12^ + 5y0^z12^ 64x6^ + 5y2^ + z32^ Please let me know if these makes sense now. Thank you

### Biology

Please check my answer: Which of the following statement is not true? 1). Mitosis produces new nuclei with exactly the same chromosomal endowment as the parent nucleus. 2). Mitosis may occur without cytokinesis 3). Mitosis and cytokinesis are required for asexual reproduction ...

### Math - Algebra

Simplify and solve for x=2 and y=5. Please remember to group like terms. 1. 3x - 2y + 4x -3y 2. y + x - y - x 1. 3x2 - 2x5 + 4x2 - 3x5 6 - 10 + 8 - 15 2. 5+2-5-2 7-5+2 yah i think that's how to solve it, basically sub in the x and ys and solve

### Algebra

Pretend the parentheses are absolute value bars. What is the graph of y = (x) and its translation to the graph of y = (x + 3)+1? I know I can't post the graph picture here, but I'm confuzzled on how to solve the problem. Please explain how! Thank you so much! <3

### Maths: Algebra Matrices Class 12th

matrix{{0, 1, -1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, -1, x}} matrix{{0}, {1}, {1}}=0 Find the value of x Don't give me the direct answer. Please tell me how to go about this. Draw in your notebook and then solve

### ALGEBRA

Jim paddles a canoe upstream at a rate o 3mi/hr. Traveling downstream, he travels at 8 mi/hr. What is his rate in still water and what is the rate of the current? PLEASE SHOW THE SOLUTION EQUATION

### ALGEBRA 1

A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION

Can you check the following problems? 4. x^2 - 10x +25 = 9 x^2 - 10x + (25 -9) = 9 - 9 x^2 - 10x + 16 = 0 (x - 8)(x-2) = 0 x - 8 = 0, x - 2 = 0 x = 8, x = 2 5. x^2 - 6x + 9 = 49 x^2 - 6x + ( 9 - 49) = 49 - 49 x^2 - 6x - 40 = 0 (x -10)(x + 4) = 0 x - 10 = 0, x +4 = 0 x = 10, x...

### history

please check these: To help improve conditions for migrant farm workers, Cesar Chaves organized a. a march on Washington b. a suite in the Supreme Court c. consumer boycotts of produce picke don nonunions farms d. the Mexican American Legal Defense and Education Fund C In the ...

### Grammar and Composition

please help me with this && check what i have: List 10 verbs for the word "said" that make it more specific. 1. supposed 2. whispered 3. told 4. spoke 5. believed 6. announced 7. claimed 8. conveyed 9. mentioned 10. told List 10 nouns for the word "building" that make it more ...

### Math Help and check

The weights of ripe watermelons grown at Mr. Smith's farm are normally distributed with a standard deviation of 2 lb. Find the mean weight of Mr. Smith's ripe watermelons if only 5% weigh less than 18 lb. (Give your answer correct to one decimal place.) Incorrect: Your answer ...

### algebra

Help me solve this problem please, I have tried so many time.I can not seem to get the problem right. x +12 <-8 or x+12>2 x+ 12 < -8 =x +12 > 2 x =4 > -10 is this right

### algebra

please help! The width of a rectangle is 4ft less than the length. The area is 12 ft sq. Find the length and the width.

### algebra

input = x output = x -2 so if i have 4 in the input box what would the output be please show how you got it

### Algebra

Please let me know if I simplified this correctly. Simplify: -5w squared + 23-(29-4w squared +9) -5w squrd + 23 - 29 + 4w squrd -9 -1w to the fourth power + -15 Thanks!!!

### Algebra

Each ordered pair is a solution of a direct variation. Write the equation of direct variation. (2,10) (8,2) (7,21) (2,-16) Please Help!

### algebra

use the Substitution Method. Please give it a try. y = 3x + 4 5x + 3y = 12 Why is the substitution method preferred in this case?

### algebra

What is the value of the expression 2x to the 2nd power + 3xy -4y to the 2nd power when x = 2 and y = -4? please show how to solve this

### Algebra I

How do you make an equation that's perpendicular to the equation y=x+5? The given points are (3,-3) Please help and explain step by step thank you!

### algebra 2

take the square root of problem square root 64^6 please show all work

### algebra 2

take the square root problem square root 196x^12 show the step please thanks

an equilateral triangle has a side of length 2x-3. Its perimeter is 51 inches, find the length of each side

### Algebra 1

Are 8x^2y and -5yx^2 like terms? Explain. I'm not 100% sure, but I think they are like terms. Please help!

### Algebra I need help

I need help with examples for power of a quotient property and property of a negative exponent Please help

### MATH-ALGEBRA 2

can anyone help me with my math please?

### Algebra 1-- Please, help me!

Solve 2x - 3y = 9 for y. Solve 2a + ab = c for a.

Approximate the equation's solutions in the interval (0,2pi) sin2x sinx = cosx 2cos(x) (1/2-sin^2x) = 0 Then I got 3pi/2, pi/2, pi/6 and 5pi/6 Then I substituted 0-3 and got 3pi/2 , 5pi/2 , 9pi/2 , pi/2, pi/6, 7pi/6, 13pi/6 , 19pi/6 , 5pi/6 , 11pi/6 , 17pi/6 and 23pi/6. My ...

### geography

The Beaufort Sea touches what two North American countries? Canada and the United States 2. Are there any states located south of 25 degrees N latitude? If so, which one(s)? Yes, Hawaii. 3. What line of latitude falls halfway between the Tropics of Capricorn and Cancer? The 0 ...

### Social studies

which of the following is true about textiles and georgia economy 1. the states textile industry has found it difficult to complete with overseas textile industries 2. four major carpet companies are located in goergia 3.georgia is a world leader in carpet production 4.much of...

How did Spain's refusal to destroy Negro Fort affect Florida? A) It led General Jackson's troops first invasion of the territory B) It gave the seminoles an empowered stance against the United States**** C) It showed that Spain did not view General Jackson as a significant ...

### Is it possible if you guys can check my algebra HW

two bags had 100 kilograms of sugar each. After taking out 3 times as much sugar from bag one than bag two , bag one had half as much sugar was bag two.How much sugar is left in each bag? i got 9 kilogram in bag on 1 and 0 grams in bag 2

solve the following inequality 70x-51<70/x I get this--but I do not know how to write the final answer in a solution set 70x-51<70/x 70x^2/x - 51x /x - 70/x < 0 70x^2 - 51x - 70/x <0 (10x + 7) (7x - 10)/x <0 x=0 (10x + 7)= 0 (7x - 10)=0 Can you please help me to...

### dressmaking

EXAMINATION 04202500 ALTERATIONS AND FITTING I NEED TO CHECK 5 ANSWER, (1) The shoulder seam of the garment with a set-in sleeve is usually located so that it is (A) easily seen in a straight back view, (b) clearly visible in a straight front view.(C)in line with the underarm ...

I'm having trouble with this question on arc length: y=lnx, (squareroot)3/3 greater than or equal to x less than or equal to 1 It sounds as if you want the length of the y = ln x curve from x = sqrt(3)/3 (0.57735..) to 1. The formula for the arc length of a line y(x) is Length...

### English

Please check for any errors and correct them for me. Enclosed is the information you requested concerning our float trips down the Colorado River in the Grand Canyon. All departure dates and prices for the various trips are listed in our booklet. At this time the trips leaving...

### English

Can you check the grammar in the following sentences, please? Thanks a lot for your last corrections! 1) It was fantastic to see how the sky changed from dark blue to violet and finally to yellow. 2) I drank an orange juice. 3)In the morning I put my clothes on (or better I ...

Find the percent of each number. 1. 5% of 220 files Answer is 110 2. 360 kilometers is 24% of ___ kilometers. Answer is 864. 3. At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies? Answer is 25 puppies Can someone check my answers...

### Chemistry

Hi! Thanks for checking my question out! ____ 2. Which of the following takes place during a redox reaction? (1 point) a) Electrons are gained only. b) Electrons are lost only. c) Electrons are both gained and lost. d) Electrons are neither gained nor lost. My Answer: C Could ...

Please check my work thanks!! A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6 <--- i think this one B. 2/6 C. 4/6 D. 3/6 2. P(number ≥ 3) (1 point) A. 4/6 B. 1/6 C. 2/6 <-- this i think D. 5/6 3...

### Phyics

I have a few questions that I need help with please. Show by algebraic reasoning that your gravitational acceleration toward an object of mass M a distance d away is a = GM/d2 and therefore doesn’t depend on your mass. (I don't understand this question) What does it mean to ...

hago-hice tiene-tuvo corremos-corrimos juego-jugué son-fueron juegan-jugaron piensa-pensó pienso-pensé entienden-entendieron tienen-tuvieron andan-anduvieron patinan-patinaron corren-corrieron pescan-pescaron hacen-hicieron pregunta-preguntó doy-di digo-dije viajo-viajé ...

### Foreign languages

Could you please check these sentences? Thank you,Writeacher. 1) In the first part if the novel she writes letters to her parents asking them for advice. However, she resists all her master's advances protecting virtue. 2) As a reward, he proposes marriage to her and she ...

### Cultual Diversity

1.The instructional strategy that works best to give a child from a culturally different background a sence of security and mastery is: a. recounts b.repetion c.using an intermediary d.eventcasts 2.Young children are more likely to demonstrate early literacy skills where: a, ...

### office practices/ medical

please check my answer thank you for all of your help in advance. If you know of any web-sites that may be helpful that would be great. True or False When medical records are moved forward to the most recent assigned medical record number a gap is generated. The type of ...

### English

Could you please quickly check this sentence? Thank you very much. 1) The project is mainly centred on the cooperation among students. About twenty students taken from different second classes (aged 17) will participate in the project. 2) I really hope your science teachers ...

### English

I was writing this sentences, could you check it, please. Sue hasn’t eaten any fruit or vegetables for a while. Ned started to eat healthier food last year. Sue hasn’t never visited a doctor on a regular basis. Ned has lived a quiet life before they met. Ned has smoked ...

### English

Can someone please help me urgent. I need to rewrite theses two sentences and eliminate unethical aspects. The service contract...on the whole...applied to upgrades. 2. All our costs were within fair-use guidelines. 1. Upgrades were applied to the service contract. 2.Factory ...

### Grammar and Composition

ok it won't let me post my questions..so i'll do it in parts Please check these: In the following sentences, place the appropriate capitalization and punctuation marks wherever they are needed. Rewrite these sentences correctly. 1. on june 15 1998 we moved from berwick ...

### Spanish-Help

We learned different timeframes in We learned timeframes in Spanish today and I'm stuck with my homework.Please check 1.Yo pedí un taco el restaurante anteayer. I ate a taco in the restaurant the day before yesterday. 2.Bebí un batido en el Mexican restaurante la semana ...

### Calculus

Check my work? The equations given were R(x)=-x^2+400x and C(x)=x^2+40x+100. We were asked to find the maximum profit and minimum average cost. (I'm having trouble remembering how to find a minimum and maximum, so please help with that, if you can!) For Max Profit, I got \$16,...

### testing and selection of dogs

please check this for me thank you Why should obedience instructors refuse to treat extremely aggressive dogs? A. Instructors don't have the right protective equipment to work with biting dogs. B. Obedience instructors aren't generally familiar with the treatment of aggression...

Okay, so this one is going to be a bit difficult to answer as I cannot post my number line, so you may just have to visualize it, or draw it out on paper. If HI = GM at what coordinates could point M lie? Point H is at 8 on the number line and point I is at 14 on the number ...