# Algebra, help + check please

106,914 results, page 14

1. ### GMAT Algebra (NO CALC)

It's been a few years since I've done algebra, and many more since we've been expected to do it without a calculator like the GMAT rules state. Please help me figure out these two problems without the use of a calculator. 1. __________________ √(16)(20) + (8)(32) = The ...
2. ### Algebra

I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x- square root 3x-2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/4-20=7 would I have to multiply each number by 4/3? Solve the ...
3. ### English

Can you please check these two sentences, please? Thank you 1) Nature ceased to be considered as a philosophical entity (concept?). It came to be felt as a real living being (real and living being) and to be described as it actually was. 2) The Romantics were concerned about ...

Hey guys I did a lab and I have to answer the questions relating to the lab. I did question can someone please check if these are accurate 1. Calculation to Determine the molecular weight of unknown substance Mass of unknown used: 2.0 g Mass of water used: 50.0 g (0.05kg) Kf...
5. ### English

You should mark the blank in the smile emoticon column if you like the activity. If you don't like an activity, you should check the box in the sad emoticon column. By doing that you should complete the table on the page. After you finish completing the activity table, you ...
6. ### Algebra Systems with Substitution

I have a similar problem to <3Medic+Droid<3's one about corn dogs and burritos for his(or hers) Algebra Answer Check thingy. So i've been trying to figure that one out so i might better understand how to do mine-but i keep getting stuck on this part of the substitution.(...

Check answers please! 1. Many indigenous people in Guatemala live in the mountains because it is the only land available to them the soil is very good for farming*** they don't speak Spanish mountain villages are easy to defend against attacks 2. All of the following are ...
8. ### intermediate algebra

solve each equation and check the result 7 3 40 x-5 - x+5 = x^2 - 25 there is a line in between each equation how would i start something like this?
9. ### Algebra: pleace check

find the other endpoint of a line segment with the given midpoint (6,4) endpoint ((3, 5). 6= 3/2 and 4 = 5/2 12=6 and 8 = 10 12-6 and 8 - (-10) End Point = (6, 18)
10. ### algebra

Factor completely first look for a common factor and check by multiplying If polynomialis a prime state this 27m^2-36+12
11. ### Physics

please check: An ant on a picnic table travels 3.0 * 10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position i got 70 cm please help with this: For the winter, a duck flies 10.0 m/s ...
12. ### @SraJMcGin Spanish Check

Hola! SraJMcGin was helping me yesterday with my Spanish sentences,(which was very helpful). Could you please check these last two I had and see if I'm on the right track? Thank you so much! :) Directions: Re-write the Spanish sentences in the present subjunctive. 1.) She does...

Algebra 2 There is a graphs of the sequence f(n)=2n-3 and a graph of the function f(x)=2x-3 What difference exist between the two graphs? What accounts for the differences between the graphs in terms of domain and range? Help please I don't understand
14. ### Algebra

x^2-5x=-10 =x=5+i sqrt15/2 ,5-i sqrt15/2. CAN SOMEONE CHECK MY ANSWER.
15. ### Algebra

Solve the equation and check the solution: -4(t+7)-(t+6)=10 the solution t is:
16. ### Algebra Check

What is the simplified form of 3a^4b^-2c^3? a. (81a^4c^3)/(b^2) b. (81a^4)/(b^2c^3) c. (3a^4)/(b^2c^3) d. (3a^4c^3)/(b^2) D What is -a^-2 if a = -5? a. -25 b. 25 c. -1/25 d. 1/25 D What is (-m)^-3n if m = 2 and n = -24? a. 3 b. -3 c. 4 d. -4 A
17. ### algebra

I need some help with some algebra problems please. I don't under stand how to do that following. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given function. 1. f(x)=5x^2 2. f(x)x^2+3x+9
18. ### science(check asnwer) !!

please check my answer shoe companies imbed unique designs on the bottoms of the sneakers they manufacture.what is the main purpose of the designs on the bottoms of sneakers? A.to increase potential energy B. to decrease friction C. To increase friction(I PICK THIS) D. To ...
19. ### Algebra

How do I solve these equations? I was out sick a whole week :( please no direct answers. I want to know the process as well. -a=5 4/5x=20 -2/3y=-18 -x/3=18 Please note that the / are fractions. Thank you so much in advance!! :)
20. ### Algebra

Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it
21. ### College Algebra

Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong
22. ### Algebra 1 (PLEASE HURRY!!)

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.

please check my answers and thank you 1. what resource first drew european traders to canada ? A. timber B. fish C. animal furs (i pick this) D. whales 2. Evaluate which of the following most allowed religious freedom and french laws in canadas history ? A. quebec Act (i pick ...
24. ### Math - Rates of change and the number e (check + h

Let f(x)= (1/b)^x for b>1, and left g(x) = (f'(x))/(f(x)) a) Predict the shape of the graph of g(x). it will be a straight line, since ln(1/b) will be a constant b) Test your prediction by exploring two specific cases. Values of (1/2) and (1/10) c) Summarize your findings, ...
25. ### Algebra

Can someone check my algebra answers and help me with the problems I don't understand? 1. n^2-n-20/2n^2 times n^2+5n/n^2-25 answer: n+4/2n 2. (2x-6/21)/(5x-15/12) answer: 8/35 3. 5x-3/6 - x+3/6 answer: 2x/3-1 4. 5x/26 - 2x/13 answer: 1x/26 5. 3x^2/9x^5 answer: 1/3x^3 6. (x^2+...

On May 1, 2004 the Jones Company received a bank statement that showed a \$2,950 balance. Mr. Jones showed a \$4,010 checking account balance. The bank did not return check No. 124 for \$1080 and check No. 138 for \$720. A \$3,200 deposit made on April 30 was in transit. The bank ...

On May 1, 2004 the Jones Company received a bank statement that showed a \$2,950 balance. Mr. Jones showed a \$4,010 checking account balance. The bank did not return check No. 124 for \$1080 and check No. 138 for \$720. A \$3,200 deposit made on April 30 was in transit. The bank ...
28. ### Please Check My Math Work

a^2 - 2ab - 15b^2 This is what I got: (a-5b)(a+3b) Correct! x^4+2x^3-4x^2-5x-6 DIVIDED BY x^2+x-2 My answer: x^2+x-3 remainder of -12\x^2+x-2

m-2 m+5 --- * ---- m-5 m-2 *I got : m+5 ---- m-5 you're absolutely correct. the m-2's cancel out and you're left with m+5/m-5 thank you hopefully you can help me with the others...
30. ### math

can someone check my answers please subtract -7.1-(-8.3)= 1.2 multiply (7.6)(1)(-6) = -45.6 divid 90/18 = 5 find the reciprocal of 1/3 (9-4= 5/3 -15-(-12) ---------- -18-(-18) undefined
31. ### english

I posted my work a few minutes ago, can somebody check it for me please. thanks a lot. Rose
32. ### To Anonymous, Spanish

Please check down below. You need to know that what you wrote is quite incorrect. Sra
33. ### math

Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5
34. ### Alegebra

Given the function K described by K(x)=x+16. find each following. K(0)=16 K(-13)=3 K(-14)=2 K(8)=24 K(c+17)=C+33 Please check this problem see if is right.
35. ### math

Rewrite the equation so that y is a function of x: 1. 1/2(y+5)+4x=3x 2. Use the result in Ex. 1 to find y when x= -1, 0, and 2 __________ Can you please check if this is right? 1. y=-2x+4.5 2. f(-1)=-2(-1)+4.5 =6.5 f(0)=-2(0)+4.5 =4.5 f(2)=-2(2)+4.5 =0.5 Thanks!

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2
37. ### To: bobpursley

Can you please check my other science posts as well. They are still on the 1st page, thank you very much:-)

Find the derivative of f(x)=1/3 sqrt x. The 3 is little above the square root. I know that it is -1/3x^-4/3. Can this be written as -1/3x^4/3 ?
39. ### English

Can you please check if the following sentence is correct? Thank you. 1) They have sold millions of albums so far.

bobpursley did i do the math problem right if not could u do it for me .thanke
41. ### MAth

I keep getting -28/19 for this problem, but it doesn't check with the solution in the back of the book. Help please.. solve the equation 7d-(1/2)(2d-4)=(-5/4)(d+4)
42. ### math exam tommrow review

please check work. y=2x-85 plug in 130 for x and i got 175
43. ### Geometry

Check please? The path of the launching of a space shuttle can be described best as a Answer: Ray?

What is the slope of the line that passes through the points (–2, 5) and (1, 11)? A. -6 B. -2 C. 2 D. 1/2 ----I think its this one...
45. ### geometry

Find the missing value to the nearest hundredth sin ___=18/27 56.31 48.19**** 41.81 33.69 Please check my answer
46. ### French

Please check this sentence! -Quand tu dînes au restaurant,quelle repas préfères-tu manger?

Order from least to greatest. 0.8, 7/8, 81%, 19/25 a. 0.8, 7/8, 81%, 19/25 b. 0.8, 81%, 19/25, 7/8 c. 7/8, 81%, 0.8, 19/25 d. 19/25, 0.8, 81%, 7/8 *** I converted all of them to decimals. Does it look right?
48. ### english

Please could you check my grammar. thanks 1.Other Color Print Price, depending on the image’s size

5. Find three solutions of the equation y=9x-4. (A) (-5, -49), (-2, -22), (3, 23)*** (B) (-5, -49), (2, -22), (3, 23) (C) (-5, -49), (-2, -22), (-3, 23) (D) (5, -49), (-2, 22), (-3, 23) 14. Which table shows a proportional relationship? (A) x 1 3 4 6 y 2 4 6 7 (B) x 1 2 5 8 y...

On November 1, 2009, Broom Company received a bank statement that showed a \$2950 balance. Broom showed a \$4010 checking account balance. The bank didn't return check No. 124 for \$1080 and ch for check No.138 for \$720. A \$3200 deposit made on October 30 was in transit. The bank...

Determine the zeros of the function 7x^2 + 9x = 0 answers were: {-9/7} {-9/7,0} {o,9/7} {9/7} I think the answer is {-9/7,0} but I'm not positive when I worked it-If this is wrong please steer me into the correct calcs because then I don't what I'm doing wrong 2.Solution to ...
52. ### Improving vocabulary

Chapter 11 sentence check 1 and 2 and final check "a cruel tear"?
53. ### Algebra

I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =w (3-w...
54. ### Math check

2[3(8-2 2)-6] my answer is 204 and btw it's not 22 it 2 power of 2 . Plz check it
55. ### Math

How to check 4=-2(4.5p+25) so the answers both check out and equal each other?
56. ### math

There are 160 patients. 3 of 4 patient gets BP check, how many of them need check?
57. ### Algebra

Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2 - 526 = -651 My Work: 5x^2 - 526 + 526 = -651 + 526 (sq root of) 5x^2 = (sq root of) -125 = 5x/5 = 11.18033989/5 = 2.24 2. ...
58. ### Chemistry (1Question)

This is really confusing. I know how to do the equilibrium which also has to do with reaction rates but they didb't give it to me as a choice. Please Please help me. I post other questions that i answered already but no one answered me. I just needed someone to check them for ...

1/3p + 7 = 12 - 2/3p what does P equal first check how Avril did it on her question then check mine
60. ### Math

Hi there! How would I check if I got the area of a trapezoid correct? Is there a way to check my work? Thank you.
61. ### Physics

posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom- please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is reached...
62. ### Algebra-One to one function

Could you please check my answers and help me with one of them? Find the inverse of the one to one function 1. f(x)-4x+7 -I got f^-1(x)=x-7/(-4) 2. f(x)= square root of x-8 -I got f^-1(x)=x^2-8 3. f(x)=4/(5x-1) This one I don't understand how to find the inverse of the one to ...

I need help on the algebra with pizzazz worksheet page 8 Objective 1-h. Need the answers to letters O-R or just the puns answer straight out please! ^_^
64. ### psy

<22{3[2(08)]}> Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this ...

Please check if I composed and answered the quesions correctly. Someone told me corrections earlier and I did them-are they correct, now? Thank you 1.¿Te gusta vestirte en ropa casual o elegante? Me gusta vestir con ropa casual. 2.¿Prefieres levantarte temprano o tarde? ...

Could you please proofread my essay. Please check pronoun usage,fragments, a better title and better thesis. Here is my prompt: 1. Does the US need to reduce its dependence on Middle Eastern oil? If you argue that it does, then provide a way for this to be accomplished and a ...

please check my answer thanks I need to write at least one paragraph regaurding this Urinalysis is a very commo diagnostic test. Describe and name the poddible abnormal results related to the test.. indicate the disorders tha these abnormal test results may sugguest. My answer...
68. ### algebra

_2__ = ____2___ x-9 x^2-6x-27 Solve the equations Check solutions to the equations (plug the answer back into the original equation.)
69. ### pre algebra check

What is the diameter of a cone with a height of 10 yards and a volume of 92.4 cubic yards? Round to the nearest whole number. 82.97=r^2???
70. ### Algebra

Factor completely. Remember to look first for a common factor. Check by multiplying. If a polynomial is prime state this. a^2-2ab-3b^2
71. ### Algebra

Factor completely. Remember to look first for a common factor. Check by multiplying. If a polynomial is prime state this. a^2-2ab-3b^2
72. ### Algebra

Could someone just double check my work sqrt280x^6/sqrt7x I got 2x^3 sqrt10\sqrtx Also 1/5(30y+40)+2/3(9y-27)=18 I got 7/3
73. ### algebra i

I'm a little confused at how to do this problem, could you check this to make sure I have it done right ? (x-4)^2 = 625 (undo square by square root) (x-2) = 25 (x+2) = 25 x = 27 x = 23
74. ### Algebra HELP

Can someone check my answers? Solve for m: m + 6 = 3(2m - 4) a.4 b.-6/5 c.18/5 d.2 answer: c. 18/5 Solve the equation and check your solution: 3(x + 6) = 18 + 3x a. -6 b. 0 c. all real numbers d. no solution answer: b. 0 Solve the equation and check your solution: -2(x - 1) = ...
75. ### Please Check My Math Work

Hi. - I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^2-54= (3y-6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby. - [Iloveyou]"it is becuase of the boy that i...
76. ### French(easy question)

Translate all this french into english. I did all of it at the bottom. Please do it as well so I can check my answers. Check my answers as well. Thanks. On passe un bon film au Gaumont. On y va? Pas possible. J'etudie pour l'interro, demain. D'accord. Alors, a demain. My ...
77. ### Algebra Problems

Please check my answers. Find the coordinates of the vertex for the parabola defined by the given quadratic function. 1.f(x) = (x - 4)2 - 4 -I got (4,-4) Find the axis of symmetry of the parabola defined by the given quadratic function. 3.f(x) = (x + 2)2 + 7 -I got: x=-2 Find ...
78. ### Algebra

Can you please check my answer: Solve the problem. A person with no more than \$4000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. ...
79. ### Trig Help

Prove the following: [1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)] =[sinx+sin^2x]/[sinx+1] =[sinx+(1-cos^2x)]/[sinx+1] =??? This is where I'm stuck. Can someone help me. Please check what I got is right so far it's ...
80. ### vocab

improving vocabulary skills textbook chapter 7 sentence check 2 and final check answers
81. ### advancing vocabulary skills third edition

i need help on sentence check 2 and final check chapter 1
82. ### algebra

Junior ate 30% of the sandwiches at the picnic. If he ate 1 ½ sandwiches, how many sandwiches were there? you cant solve this right? We can't?? Sez who? Let x denote the number of sandwiches. Then we're told 30%x=.30x=1.5 sandwiches. So x=1.5/.30=?? something you can do. its...
83. ### algebra(check)

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...
84. ### Algebra 1

I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated
85. ### algebra

(38) please help me figure this out. The multiple choice answers did not match the answer that I got. Select approx values of x that are solutions to f(x)=0 where f(x)=-7x^2 + 5x + 9 please show me steps
86. ### alGEBRA 2 help please would appreciate

find the foci of 9x^2-25y^2=225 I get this far a^2=5 and B^2=3 AND I KNOW I HAVE TO USE THE formula c^2=a^2-b^2 i don't know what to do now if add it i get c^2=34 please help show the step thanks

In Beijing in 2008, the women's 3,000 meter steeplechase became an Olympic event. What is this distance in kilometers? Please help answer thx
88. ### English

1. Did you know? + Where did he go? => Did you know where he went? 2. Did you think? + Why was he late? => Did you think why he was late? => Why did you think he was late? - I thought he was late because he got up/gotten up late. 3. Did he know? + When did he come? =&...
89. ### algebra

please write an explaination why (x^3)(x^4) is not x^12. I am confused thank you. it is not the answer because, first of all, try replacing x with another number, in this case, let's say two. (2^3)(2^4)= 128, and if you try 2^12, you do not get 128, instead your answer would ...

Please help me with the following question: A paradox is a literary device often used to A. emphasize or make readers think about important ideas. B. provide hints or clues about events that occur later in a story. C. explain a character’s reason for doing or saying ...
91. ### Math 116 algebra please check

The function H described by H(x)= 2.75x + 71.48 can be used to predict the height in centimeter of a woman whose humerus ( the bone from the elbow to the shoulder) is x cm long Predict the height of a woman whose humerus is 37cm long The predicted height of a woman whose ...
92. ### English

Could you please check these sentences, please. Thank you. 1. Connect the sentences with a relative pronoun and make any necessary changes. 2. Write in brackets the relative pronouns that can be omitted. 3. Complete the sentences with a suitable word. (8 pts) pts stands for ...
93. ### Algebra- ASAP

Could you please help me and check my answers? Find the domain of the function. f(x)=-8x-2 -I got the domain being (negative infinity, postive infinity). g(x)= 3x/(x^2 -49) (I got (-inifinity,-7)U (-7,7) U (7, +ininfinity) The U is the union symbol. Find the domain of the ...
94. ### Time Zones

Check my work. Calculate the correct time in brackets: 1. 1:00am at 30W = (11:00pm) at 60W 2. 3:00pm at 15W = (1:00pm) at 45W 3. 1:00pm at 120E = (9:00am) at 60E 4. 12:00pm at 15E = (6:00pm) at 105E 5. 11:00am at 15E = (9:00am) at 15W Calculate the correct longitude in ...

Please check my homework I have to read each statement and determine if it's federalist or Democratic Republican 1. F - The role of government should be limited 2. DR - The economy should focus on farming 3. F - No one person should have too much power 4. F - There should be a...
96. ### Math(Please Check My Work.)

3a^3b^2(-a^3b-a^2b^2)=-3a^9b^3-3a^6b^4 *is this correct.?- Remember to add exponents when multiplying with the same base. (3a^3b^2)(-a^3b - a^2b^2) = -3a^6b^3 - 3a^5b^4 I hope this will help.
97. ### economics

What were the original causes of the u.s. trade deficit? Help please ASAP Check this site. (Broken Link Removed)