# Algebra, help + check please

105,703 results, page 37

### math

Susan has 8/9 gallons of water. She drinks 2/5 of it. Select all the statements that help you determine what fraction of a gallon she has left. Divide 8/9 by 2/5. No Divide 2/5 by 8/9. Yes Multiply the fractions together. No Multiply 8 x 2 and 9 x 5. No Can someone check my ...

### science

I had objects that I had to find the source energy then what it was converted to. Please check my answers: battery Powered Drill chemical--> mechanical and thermal Lava Lamp Electrical--> thermal and nuclear

### Math

I don't know if my answer for this question is correct but can you please check? 1.) Between which pair of numbers does the square root of 15 lie? Do without using a calculator. A.) 3.7 and 3.8 B.) 3.8 and 3.9 C.) 3.9 and 4.0 D.) 14 and 16 I think the answer to this might be A...

### algebra check answer

To determine the number of deer in a game preserve, a conservationist catches 494 deer, tags them and lets them loose. later 463 deer are caught 231 of them are tagged. how many are in the preserve ? I came up with 494 in the preserve

### Science :check my answers

Here are some questions I had for hw, I answered some of them, can someone check my answers and help me with the ones i didn't answer, thanks: 1.Which constellations are visible from Canada in all seasons? My Answer:Ursa Major, Ursa Minor, Lynx,Cephus, Cassiopia, ...

### math, algebra II

Can someone explain to me step by step how the book got to this answer i want to understand the steps....thanks Find the inverse, if it exists,for the matirx (*I used the underscore to separate the numbers within the matix) -2_1_3 3_-1_2 -4_2_0 the answer is: -4_6_5 -8_12_13 ...

### Science

What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !

### algebra <>+ complete each statement

can you check if these are right (24 -8) / 4 ? 24 -8 /4 i got < 3 x (4-2)x5 ? 3 x 4 -2x5 i got: > (22+8) /2 ? 22 + 8 /2 i got: < 20 /2 + 8 x 2 ? 20 / (2+8) x 2 i got : > 11 x 4 -2 ? 11 x (4-2) i got : > (7x3) - (4x2) ? 7x3 - 4 x 2 i got: =

### Ms.Sue or Steve can u please help me?!?!!?

Ok these are some textbook questions i need to turn in soon could you please check and see if they are correct~ 1. x over 4 + 1 = –5 (1 point) –2 16 4 –24 2. 6x + 29 = 5 (1 point) –4 –18 204 –144 3. Combine like terms: –21a + 16a (1 point) –5a 5a 37a –37a ...

### Help!

MS. Sue, to the other civics questions can u please check my other questions????

### Apchemistry

Thank you for your help Why is solid copper (I) nitrate a poor conductor? I know that CuNO3 is an ionic solid, so maybe (please check me on this) the electrons in CuNO3 are exchanged in the formation of electrostatic attractions found within ionic solids, so the electrons ...

### dog behavior

please check my answer thanks True or False Modeling is a training technique that involves providing one dog as an example for another dog to follow I think that is True

### Physics -- check answers please

1. If 31 waves pass by a point in 1.7 s, what's the frequency? my answer: 18.2 Hz 2. if a crest with an amplitude of 7cm interferes with a trough with an amplitude of 10 cm, the resulting wave has an amplitude of: my answer: -3

### PLEASE CHECK OPERATIONS WITH FRACTIONS PART 2

10.5/7-4/6 A.1/21*** B.1 C.1/42 D.1/14 11.-3 7/9 - 1 2/9 A.-2 5/9*** B.2 5/9 C.-5 D.4 5/9 12. 6 1/3 - 4 4/9 A.2 1/3 *** B.2 2/3 C.1 8/9 D.1 2/3 13. Kevin had 3/4 yard of string. He used 1/3 of the string for a school project. How many yards of string did he use for his project...

### @Kemon

I deleted your 19 questions because you showed none of your work and posted no answers. If you'd like us to check a few of your answers, please repost no more than five questions along with your answers.

### Chemistry - please help

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/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ...

### Chemistry - please help

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/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ...

### Trigo!

Ok, i've tried this sum a million times and i cant get an answer. Somebody please check my workings and tell me what i did wrong! Thanks! Given 4≤y≤6, find the value of y for which 2cos((2y)/3) + √3 = 0 Here's my workings: 2.666≤(2y/3)≤4 2cos(2y/3...

### Economics- please check

Please check to see if my answers are correct. Complete each sentence by choosing the correct answer from the list of terms below. You will not use all of the terms. *normal good *complements *income effect *demand curve *ineleastic *inferior good *law of demand *unitary ...

### Rational Exponents - Please Help!!!!

I will appreciate it if anyone can help me with the following: 1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s ...

### Equation

Can anyone check this answer for me, simultaneous equation. Where y = 14 + 0.11x and y = 10 + 0.14x use algebra to solve, is the answer 14 + 0.11x = 10 + 0.14x y = 4 x = 0.03 If not where am I going wrong Thanks... :-)

### Spanish Check

Hello! Could someone please check these for me? Thanks a bunch! :) Directions: Rewrite the following English sentences in correct Spanish form. The verb you will just is limpiar. 1.) I will have cleaned the house. 2.) Jessica and Sara are sad that I didn’t clean the house. 3...

### Finite Math - Simplex Method

I think I have a good understanding of how to set up the problems but and solve them but I am not constant yet with getting the correct answer. Is there a way to check the answer? I am doing an online math class and it would be nice if I could check before I commit. Thanks

### Business Math

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four decimal places.) Enclosed by y = ln x, y = 2 − ln x, and x = 4

### Brief Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) Enclosed by y = e^x, y = 2x + 1, x = −2...

### English

Can you please check these sentences on phrasal verbs, please? Thank you very much in advance. (I don't know if their use is correct). 1) The plane will lift off at 9.00 o'clock. 2) They will head off at six a.m. tomorrow. 3) He cleared off without saying goodbye. 4) He ...

### English

Could you please check these two sentences, please? 1) Dorian wishes he would stay young forever whereas the portrait would grow old in his place. 2) According to Wordsworth, man and nature are (were) two different but inseparable parts of the same universe, a total scheme ...

### PLEASE HELP... ALGEBRA.... LINEAR PROGRAMMING

HELP ME WITH THESE 2 PROBLEMS PLEASE..... 1. Objective Quantity: C= 5x+4y Constraints: x < -2 x > -4 y > 1 y < 6 All of the signs have lines under them. 2. Objective Quantity: C= 6x + 2y Constraints: x > 0 x < 5 y > 0 4x-y > 1 Again, all of the signs ...

### Art

Could you please check these examples and tell me if the sentences in brakets are possible? Thank you , Writeacher 1)Her boss is going to ask her out for dinner next Saturday. 2) The line is engaged. Would you like to hold? (Not: would you hold?) 3.Our coach told us that the ...

### social studies (check answers)--Mrs.Sue

Please check and Thanks so muchh. 1.A 2.B 3.C Brazil’s culture reflects what unique aspect of its colonial history? A. its Roman Catholic missionary roots B. its ties to the West African slave trade C. its rule and settlement by the Portuguese D. its peaceful blending of ...

### Algebra Pythagorean Theorem

Can you please help me answer these and explain? Please? Determine whether the given lengths can be side lengths of a right triangle. 1) 6ft, 10ft, 12ft 2) 10in, 24in, 26in 3) 20m, 21m, 29m 4) 15cm, 17cm, 21cm 5) 14ft, 22.5ft, 26.5ft 6) 12yd, 35yd, 38yd

### Algebra I

What is 0.5 million in scientific notation? 2 thousandths, 1095 millionths? PLEASE HELP ME!!!!!!!!!!!

### Algebra 1

Find the slope. -2x-9y=-29 Can you please work it out for me so I will know how to do the next one.

### Algebra I

Please help. Find all positive values for k for which the following can be factored. x^2 + x - k

### Pre Algebra HELP

please help don't get it when it sayuse the distributive propetyto rewrite the expressionand then has 10(2+y+z)

### algebra 2

this might seem simple but i don't understand if you can please help FACTOR x^3-7x^2+14x-8 thanks for your help

### Algebra

I cannot remember how to do rise over run. I am very confused!!! Please help me.

### algebra 1

graph the system of linear inequalities x+y<4 x+y>-2 please solve asap

### algebra

Can someone help me with this please? I am trying to find the solution for 5/(4x) + 1/(8x) = 5/8 + x x = ? would the answer be x=5/3?

### algebra

1/2x+6=1/3x Please help. my college grad mom can't help with my 8th grade math!

### Algebra

what are the tho digit perfect squares? i am really confused! please help

### Algebra

1). 3x + 7 = 9 2). -3(x + 5) + 3 = 12 Can you also please show the work so that I may have a better understanding.

### Algebra

6000 = 200(t) Please help me solve this equation, and show the work... Thank you!!!

### algebra

14ft= ___yd ___ft i don't understand this question can someone help me please!!

### algebra 1

why can't a^2 + b^2 be factored? I seriously don't know how this works out and my text book is no help. Please help.

### Algebra

Solve. 4t^3 + 11t^2 + 6t = 0 I am having a little trouble with this one. Please help if you can. Thank you! :-)

### Algebra 2

could you please tell me how to turn this into simple radical form 2(3^(2^-1)-1)^-1

### Algebra

Please describe the end behavior of the graph of the function below. f(x) = –2x^5 – x^3 + x – 5?

### Algebra

Please express in terms of sums and differences in logarithms. log a x^3 y^2 z

### Algebra

Please guide me in plotting the point with the given t-value,6 using v=1/2t+6

### Algebra

I am so lost, can you please help? I have the problem 6/t = ?/t squared I do not even know where to start

### ALGEBRA

for which table(s) of values is the relationship linear and how? X 5 10 15 20 25 30 Y 20 30 40 50 50 50 I don't understand this at all...please help!!!

### algebra

Simplify the expressions. 1. (-6c^2)(2c^2-3c) 2. (-5d-10d^2)(-6d^3) 3. x^3-(4x+3x^2)(x^2) 4. (-8y^2)(3y-4)+6y^2-5y^3 5. (18m/-4n) / (-1/4m) 6. (5x^2) / (2x/15) 7. (-16x+9) / (-4) 8. (-32-4x) / (-8) I don't get how to do these. Please help!! Thanks a lot!! =)

### Algebra

x^2+4x+8y-4=0 Find the Vertex, Foci, Directrix, and Axis of Symmetry. Please Help!

### Algebra 1

2y/5+5=9 Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)

### algebra

I need help solving equations with the variable on both sides: 3(d-8)-5=9(d+2)+1 please help

### Algebra 2 URGENT

Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!

### Algebra 2 URGENT

Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!

### Algebra 1

Find the equation of the ine that contains the point (5, - 1) and has slope 1/5. please help!

### Algebra

How come with (3,4) (vertex), and (1,2) (point) a doesn't equal -4.5, but -.5? Please show me how to get this answer.

### Algebra

factor the expression x(a+2) - 2(a+2) i missed this day because i was sick...please explain!

### colege algebra

Solve the system by the elimination method 5x+5y=-7 7x-2y=13 Could someone please help me? Thanks

### Algebra

Factor completely 4y2 + 25y + 6 please explain can't understand

### algebra

perform the product in simplified form please show the work. (2x+1)(3x-2)

### algebra

Could someone please verify if this rational equation is undefined? I think that it is: w/2 - 2/w = 0

### Algebra

(3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

### Algebra

Please help me find the slope and the y-intercept for the line repesented by the equation y=3x/2. Thank you.

### algebra 2

please help. Simplify the square root of 7/8y and show all work

### Algebra :\

these questions are: ELIMINATION USING MULTIPLICATION: 1. 2. 2x + 5y = 3 2x + y = 3 -x + 3y =-7 5x + 3y = 2 I NEED HELP ASAP!!!! HELP PLEASE!!!!

### Algebra :\

Elimination using addition and subtraction: 1. x - y = 1 x + y = 3 2. -x + y = 1 x + y = 11 3. x + 4y = 11 x - 6y = 11 4. -x + 3y = 6 x + 3y = 18 PLEASE HELP!!!! I NEED HELP ASAP!!!!

### Algebra

Can you please show me the steps on how to do this, and what the answer would be? 87. Solve the equation: v-4/5=3/8 THanks

### Algebra/trigonometry

The expression (3-7i)^2 is equivilant to? i know what the answer is im just not sure how to get it please help

### algebra

y^2-4y+3/y^2*4y+12/y^2-2y+1 2y(2y+3)/ I need some help with this problem please I can not seem to work it right.

### algebra

please i need help factoring these problems....20xy, 36g^2h^2, and 44m^2n

### Algebra 2

-2sqrt8+2sqrt2-3sqrt18. Im having pn b)ems with radicals. Please he)p me.

### Algebra

How do I solve the quadratic equation 3x^2 + 5x + 2 =0 Please explain the steps-I really don't get this

### algebra

please write an equation. what is the quotient of the sum and difference of 370 and 25

### algebra

CAN YOU PLEASE EVALUATE THE EXPRESSION TO 4 DECIMAL PLACES 10-SQ ROOT OF 18 DIVIDED BY 11

### Algebra HELP

how to solve this equation in the real number system: 2x^(3) + 3x^(2) + 2x + 3 = 0 steps please

### algebra

convert to a logarithmic equation:8^y=4096 Please show work.

### algebra

(r^2+7r+10)/3 * (3r-30)/(r^2-5r-50) how can i Factorize each expression to end up with this new equation (r+5)(r+2)/3 * 3(r-10)/((r-10)(r+5) can you please explain..

### Algebra 1

How do I simplify 5(-c+3a)-c(2c+1)? Show the work not just the answer so I actually get how to do it please.

### math algebra 1a&1b

the problem is 2(9n-1)+7(n+6)=-60 i get how 2 do it but i get confused on wat 2 do and then i get mixed up and mess it up please help

### math algebra 1a&1b

i keep gettin a decimal or a zero on this problem -3(3x+15)-(10+X)=35 PLEASE HELP

### Algebra

if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = 72, what is x + y + x? please explain how you got tha answer too. thank you.

### algebra

What is 4,756 divided by 32? I got 148.625 please confirm?

### Algebra

ok i need help simplifying this problem. please :) 5e^x/6e it looks similar to this 5e^x ____ 6e Thanks!

### Algebra

1. 12 + 8a + 4a^2 2. Factorise -5x^2 + 27x - 10 Please show me full working out. Thank you!

### algebra

Describe what the graph of interval[-4,10] looks like. Please answer

### Algebra

Can someone please help me convert these equations into a matrix equation. x+4y-z=7 x+y+z=2 -2x-2y+2z=-8

### algebra

Given f(x) and g(x) below, find: (a) f+ g (b) f- g (c) f*g (d)f/g Please show all of your work. f(x) = ãx g(x) = 6x-5

### College Algebra :(

Sketch the graph of y=mx for the given values of m. m=3,-2,2/3,-1/4 please help me, I'm so confused!

### algebra

can you please help me with this so that i can do my other problems simplify and show alll work -4x^2-3x-(x-x^2+3)

### algebra

I NEED HELP SOLVING THIS PROBLEM 3.5(.4)/2.6 + 2.6/.4= PLEASE EXPLAIN AND SHOW HOW TO SOLVE

### algebra

I NEED HELP SOLVING THIS PROBLEM WX/P + P/X = PLEASE EXPLAIN AND SHOW HOW TO SOLVE W = 3.5, X = .4, P = 2.6

### Algebra 1

How do you rewrite things in function form? Please provide an example..?

### algebra

Can someone simplify this equation: -6(5-2z)+5z=8z-3(16-3z) Please help, show all your work.

### Algebra

Could someone please show me how to write this equation in standard form? x^2 + y^2 - 6x+8y+9=0

### algebra

Please help: Multiply and simplify: (5sqrt:5 - 10sqrt:3)(2sqrt:5 + 4sqrt:3)