42,218 results, page 89

1. Algebra 2

Divide and check. Write your answer using non negative exponents 40x^2y^2/5x^4y^2. Thank you.

1.never the difference of two positive integers is _____ negative. A.always B.sometimes C.never
3. algebra 1

Which of the following points are solutions to the system of inequalities shown below? Check all that apply. y>4x + 2 y<4x + 5 A. (4, 21) B. (5, 24) C. (5, 26) D. (-4, 20)
4. Math

Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you
5. ECONOMY

what is the impact of the tax rebate check on fiscal and monetary policy?

60 kg cheetah reaches a speed of 30 m/s when chasing its prey
7. Math

Solve the equation using exact values. Check for any extraneous roots. 9^2x+4(9^x)=21.
8. algebra 2

Solve the equation. Check for extraneous solutions. 9|9-8x|=2x+3 can anyone please show me how to do this problem?
9. pre algebra

solve and check the following equation:I have no idea as to how to answer this. 69g-60=5g-2-g

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 ?
11. Government Check

Which Amendment extended voting rights to women? 19th
12. Algebra

Use substitution method to solve the linear system. Can someone please check if I did this problem right? Thanks X+y=12 X+3/2y=3/2 Y=21 x=-9
13. Math help

Can someone check my answers and tell me what I did wrong? Thank you!! Find the following using the table given. X Y -3 -21 -2 -18 1 -9 4 0 7 9 Rule: will it be y= 1/3x+9? What is y when x= 5? Will it be y=0? What is x when y= 5? Will it be x= 0? What is the x- intercept? Is ...
14. Pre-Algebra

Please check....... convert to slope intercept form y-27=4x 16-2y=22 8x+11-4-27 -11/-11 8x=4x+38 +4x 4x 12/12x=38/12 = 1 1/3
15. pre algebra homework check

Find the product and simplify y(4y + 12) =4y^2+12y????
16. Social Studies

What are the answers for the Lesson 12: Nationalism and Imperialism quick check/
17. Math

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2
19. Mathematics

The slope of the line that goes through(-3,-5) and (-3,-6) is? Positive •• Negative Zero Undefind Check my answer
20. Chemistry Check

Which one of the following substances is the product of this combination reaction? Al(s) + I2(s) => ______ For this it would be AlI3 ?
21. Mathematics

The slope of the line of(1,2) and (-2,-1) is Positive •• Negative Zero Undefined Check my answer
22. math

can someone check this i'm really lost i thought i had it and now i don't think i do. Solve the system by graphing x+y=3,x+y=-1 x+y=-1 x-x+y=-1-x y=-1-x y=-1-(3-y) y=-4y x=3-(4y) x=-1
23. Health Law

please check my answer thanks :) a pretrial conference most likely would occur when... i said ... during an appeal
24. chemistry

Which of the following diatomic molecules are isoelectronic to BN? Check all that apply. a)NO b)BeN c)C2 d)BeC
25. math/algebra

I keep confusing myself. Please check and show me where I am mixed up. (8+ ã48)/4 = (8+ ã(2 .24))/4 =1+2ã6 where am I missing it?
26. Intermediate Algebra

Solve and check each radical equation. square root y+10=y-2
27. Algebra 2

Will someone please check if I am right???? find the second and third term of the arithmetic sequence -7, __,__,-22,-27... Options: -12,-15*** My Answer -17,-12 -10,-17 -12,-17
28. 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
29. prealgebra

Check whether (-1, 5) is a solution of the system of equations. y = -2x + 3 y = x - 4 I said no because one comes up a positive 5 and the other a negative five. Am I correct
30. Math Help

How is this problem done? it's not coming out right for me. solve for c: x = p(1/a + m/c) cax=pc+ ma c(ax-p)=ma then divide by ax-p check my thinking.

32. pre-algebra

USE THE DISTRIBUTIVE PROPERTY TO SIMPLIFY. 3(X+3) Wouldn't it be 3x + 9? Check my thinking.

What does the main conflict of the play seem to be? My Answer- poverty + discrimination
34. Equations

Can anyone check this equation out for me please... another way of writing out... ( 4 + b ) ( 3b - 2 ) is it 12b - 8 + 3bsq - 2b which is 3b sq + 10b - 8 Help appreciated !!! Thank you :-)
35. art

dose anyone know the answers to lesson 1 unit 3 quick check because i am stumped
36. algebra

is -2i square root of 2 a solution to x=8? lets check: (-2i sqrt 2)^2= -1^2 * 2^2 * i^2 *2 =-8 Answer: no.
37. algebra 1b

Solve each system using substitution. check your solution. a = 2/3b -3 a = 2b - 18 c = 3d -27 4d + 10c = 120

y=1.5 + 76.95t-(1/2)(9.8)t2 = 303.6 I am not sure how to arrive at this answer. I am confused because there is a t and a t^2. Thank you for your help!

Él no va nunca.He never goes Él ve alguien.He sees someone. Él no ve nadie.He doesn’t see anyone.
40. algebra

need help don't exactly understand the question: Factor and check by Multiplying 6x + 10y -2
41. English (Check)

Based on your knowledge of prefixes, what does en- mean? A.Cause to*** B.In front C. Wrongly D.Before Is it A I'm not 100% sure... help please
42. math

28E − 7 = 0 would I add 7 to the 0 then divide 28 by 7 but the answer don't check out

44. math

Find the product. Estimate to check that your answer if reasonable. 191 x 88
45. Math 116 algebra please check

solve using the multiplication principle. -5/6x = -7/8 Th solution is x=21/20
46. Math Inequalities

4(r-7)+2>5(r+3)-28 I tend to make things too difficult.. can someone please check my answer? {r l r > 31/4}
47. algebra

look first for the common factor check by multiplying if polynomial is a prime state this. y^2-y+0
48. Algebra

Evaluate log36(1/6) I believe the answer is -.5 but I just wanted to check to make sure I was doing this correctly. Thank you!
49. pre algebra

how would you solve and check the answer, back to the original problem for 3w+2+3w=-4+9?
50. Urgent Spanish Check

Nando es ____________________ alumno muy ambicioso. Un
51. math

look first for the common factor check by multiplying if polynomial is a prime state this. y^2-y+0

is the Brandenberg vs. Ohio case is reverse discrimination ???
53. language arts check

the poet uses all of the following in Annabel lee except? ANS: repetition
54. algebra

Can someone please check my answer? Rearrange (cp-yd)/(pd)=p+y to make d the subject OK, I did cp-yd=pd(p+y) cp=pd(p+y)+yd cp=p^d+pdy+yd factoring out the d cp=d(p^2+py+y) cp/(p^2+py+y)=d
55. math exponents

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...
56. English

Please check my answer thanks :) His mother is a Doctor. Is this sentence correctly capitalized. I said yes
57. algebra 2

If Q varies inversely as the square root of R and Q=2 when R=4, what is Q when R is 25? does Q=625 im not sure can someone double check it for me.
58. Physics check

Rank the following transitions in order of low to high frequencies: 3-2; 4-3; 2-1; 5-4; 5-3; 3-1; 4-2. 5-3; 4-2; 3-1; 5-4; 4-3; 3-2; 2-1 ?
59. math

integrate dydx=(4sqrt(y)lnx)/x. Check my answer? I got y=((2ln^2(x)+c)/2)^2. Is that right?
60. algebra

Solve the equation check for extraneous solution 6|6-4 x|=8 x+4answers are x=1, x=5/2.or x=2, x=5/2, x=5/2or x=1
61. Math 116 algebra please check

Use the distributive property to help you solve the equation 7(w-5)=21 w=8
62. Math

Reiny can you show me how to check this problem. 5a^8-20a^7-25a^6 =5a^6(a^2-4a-5) =5a^6(a^2-5a+a-5) =5a^6(a(a-5)+1(a-5) =5a^6(a-5)(a+1) (answer)
63. Physics check

The spectral lines for elements are sometimes called atomic..... spectra?
64. precalc

simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
65. Math -

PLEASE HELP ME FIGURE THIS PROBLEM! Solve equation and check the solution -3(r+5) = 3(r - 1)__________________
66. precalc

simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
67. Math

Check whether the given number is a solution of the equation or inequality. 2x+6=18;9 I know that I have to plug 18 into x but then i don't know what to do next. Help please? Thanks!
68. Physics check

The two quantities conserved in all nuclear equations are....... mass and number?
69. Calculus (double check my anser please)

Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C<<< my answer C.1/4e^3x + 1/2 x + C D.1/10 e^5x + 1/5 x + C
70. Math 116 algebra

Please check this problem Solve 5/2x + 1/4 x = 9/4 + x The solution is x = 9/10 Is this correct.

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30 <<<< D. 35
72. Derivatives check

find the 2nd derivative of y= 1/x +cosxsinx I got 2/x^3 - 2cosxsinx is this right or did I get this wrong
73. English

Could you check this sentence for me, please? Thank you. She offered/agreed/promised to drive me to the airport.
74. Math (Check)

Find an equation of the line containing the given pair of points (2,1) and (6,3) Is this the right answear? y=(1/5x)-(3/5)
75. statistics

Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
76. CHECK my world history answers

sorry for posting twice but i really would appreciate if someone could check my answers? 1 star* at the end of questions and multiple stars**** at the end of my answer 2. This group, founded by Reverend Jerry Falwell in 1979, was a political organization working to fulfill ...
77. Can't understand trig problem

An airplane left an airport and flew east 174 miles. Then it turned northward flying along a bearing of N22E. When it was 254 miles from the airport, there was an engine problem and it turned back to take the shortest route possible back to the airport. Find theta, the angle ...
78. Trig

I need help with this application. A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. It is found to be 53 degrees. What acute angle ( ...
79. nova

7) You throw a 12-N stone vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is traveling at 25.0 m/s upward. Use the work –energy theorem to find (a) the stone’s speed just as it left the ground and (b) its maximum height. 8...
80. Physics

A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 2.10 m above the floor with a speed of 7.30 m/s. The ball goes through the net 3.10 m above the floor at a speed of 3.10 m/s. What is the work done on the ball by air resistance, a ...
81. trig

Construct the equations of the following trigonometric functions: A)A sine function with amplitude 2, period , phase shift /3 right B)A tangent function with a reflection in the y-axis, period ¾, translation up 5 units C)A cosine function with period 270°, translation down ...
82. Trig

The question is: Set up a 2 column proof to show that each of the equations is an identity. Transform the left side to become the right side. a. (tan + cot)^2 = sec^2 + csc^2 I'm having trouble with this. b. (cos + sin)/cos + (cos - sin)/sin = csc sec I'm having trouble with ...
83. Physics - KE/Inertia

The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm) consists of three particles ...
84. physics

In the 1950s, an experimental train that had a mass of 3.30 104 kg was powered across level track by a jet engine that produced a thrust of 4.90 105 N for a distance of 600 m. (a) Find the work done on the train. 1 J (b) Find the change in kinetic energy. 2 J (c) Find the ...
85. time and stress management

To limit your telephone time at work,you can? A)ignore the messages-people with important messages will call back B)have a coworker answer the phone C)limit the coversation to work-related issues D)unplug the phone my answer is c can someone please help once you have ...
86. English

Which one is the correct sentence? If they both need grammar work do tell. a)This gives evidence that people will work hard, but will never receive a fair deal for their effort. OR b)This gives evidence that people will be working hard, but will never receive a fair deal of ...
87. Physics -- Repost

Homework Help Forum: Physics Posted by Sandra on Sunday, February 28, 2010 at 10:20am. Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner and outer surfaces of ...
88. Chemistry

Any help would be great on the below problems. I am not sure where to begin. How do I solve these? Do I use a formula? 1. You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe how you would make the desired ...
89. Chem

A bottle of win contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is .79 g/mL. Calculate the concentration of ethanol in wine as mass percent and molality. I calculated molality as 2.4 m/kg, but I'm stumped on the mass percent [although I'm hitting the right ...

30-day Money Back Guarantee Our Groom Co. electric shavers come with a 30-day money back guarantee because we are focused on ensuring your satisfaction. The only stipulation is that you use your new shaver exclusively for 2 weeks to become accustomed with the product. If you ...

30-day Money Back Guarantee Our Groom Co. electric shavers come with a 30-day money back guarantee because we are focused on ensuring your satisfaction. The only stipulation is that you use your new shaver exclusively for 2 weeks to become accustomed with the product. If you ...
92. stats

Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
93. stats

Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
94. Math

Hello, I'm not sure how to go about this question. To get to work on the first day, Jose has the following directions. Travel 15 miles due East. Turn right and travel 12 miles due south. Turn right again and travel 10 miles due West. If Jose could travel in a straight line ...
95. Logical Fallacies

SECTION A Please respond to ALL FOUR questions in this section. Be sure to include a 1-2 sentence explanation of your answer (i.e., why is that the correct answer), not just the letter of your choice. 1.) I should get an ‘A’ in this class because I really need one. (a)ad ...
96. Chem- Dr. Bob!

Posted by Rachel on Thursday, January 20, 2011 at 3:57pm. Does anyone know where I can get an image of the valence bond model for maleic acid? ie. showing the pi and sigma bonds and indicating the hybridization (sp2, sp3.. ) OR could someone describe these things to me? I'm ...
97. physics

A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the mover’s power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of the truck is 1.5 m ...
98. physics- vry urgent

An ideal monatomic gas initially has a temperature of 333 K and a pressure of 7.15 atm. It is to expand from volume 581 cm3 to volume 1360 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
99. physics again it didnt work.

A moving 1.60 kg block collides with a horizontal spring whose spring constant is 295 N/m. The block compresses the spring a maximum distance of 3.50 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is 0.500. What is ...
100. Trig

prove sin(α+β)sin(α-β)=cos^2β-cos^2α please help... this is the only one I didn't understand out of all my homework...