188,610 results, page 64

1. ### Math

Which two square roots are used to estimate the square root of 42 25and36 36and49 49and64 25and64
3. ### Math

Which set of output values correctly competes the function table. (y=2x-4) Input (x) 6 ? 2 ? -4 ? 1. 8,2,12. 2.8,0,12. 3.8,0,-12. 4.-8,0 12. Please give me step by step of how to solve this.
4. ### Math

1.is -15 greater then less then or equal to -21 2.which number is greater then -24 A.-42 B.-27 C.-16 D.-32 3.which set of integers is ordered from least to greatest A.-13,4,0,-8 B.-5,-2,3,1 C.-12,-8,-4,7 D.15,6,-9,-21 4.5,0,_____,-14,-20 A.3 B.-4 C.1 D.18 Please help asap!!!!!

find the surface area of the rectangular prism. inches are:3 ,2 and 4 those are inches for height length and width
6. ### Math (pre-celc 12)

Factor 2x^4-62x^2+60x I get: 2x(x^3-31x+30) 2x(x-30)(x^2-1) 2x(x-30)(x-1)(x+1) But that's wrong. It should be (I think): 2x(x-1)(x-5)(x+6) Please show me where I went wrong.
7. ### Math

Rewrite the expression without the absolute value bars . | √11 - 7 | My answer was √11 - 7 but apparently it's wrong someone please help!
8. ### math

Could you please explain why, when increasing something, you put a 1 in front of it? For example, if something is increased by 5%, why do you multiply by 1.05? What exactly does that 1 mean or represent? Thank you.
9. ### Math

Add. Write the answer in simplest form. 1. 3/8 + 4/5= 3/8=15/40 4/5=32/40 15/40 plus 32/40=47/40 47/40=1.175 Please let me know if I got the correct answer or if I did something wrong.
10. ### Math Domains

I need help with finding out the domain of f(x)= sqrt(x(x-2)). I keep getting the wrong answer. Please help me out and explain.
11. ### Math

1. Use a factor tree to find the prim factorization of 96. Write the prime factorization using exponents. A. 2^3 * 6^2 B. 2^5 * 4^2 C. 2^5 * 3 D. 3 * 5^2 I need help please!

I kinda need help with this 10.Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem.
13. ### Math

a store buys a sweater for \$25.00 and sells it for \$35.00. find the percent of markup.can somebody please explain how to find the answer?I don't understand how to do this .
14. ### Math

If one root of the equation x^2-px+20=0 is 4,while the equation x^2-qx+p has equal roots, then possible value of q is. A)3. B)4. C)5. D)6. I think 6 is correct. Please check it.
15. ### Math Question

A bread recipe calls for 1/3 cup of butter. You want to make 1/2 of a batch. How much butter do you need? A 1/6 B)2/3 C)1/3 d) 1 1/2 Please help Its urgent!! Thanks!
16. ### math

The dimension of a rectangular garden are represented by (x+7) and (x-7) A. What is the area of the garden? B. It is possible that x=7?how about x=-7?explaine why or why not. C. What could be the value of x? Please answer steve
17. ### math

Could you please explain how to scale up? I have something that is worth 110 points that needs to be scaled up to 200 points but I'm not sure how to do it. Thank you.
18. ### Math

One more question. Can you please show the steps of how to solve this. I feel like the way I'm solving this is wrong. Solve for x y and z X+5y+3z=7 2x+y+4z=1 2x-y+2z=1
19. ### Can someone help me Math problem!!

Determine whether the ordered pair is a solution of the linear inequality. 9)x<2;(-1,0) 13)3y>5x-12;(-6,1) Can someone help me with these two question please!!?
20. ### Math

Use the list below to find the lower quartile 27 511 13108 14187 answer a is 7 B is 7.5 C is 8 and D is 8.5 my answer is C8 please verify
21. ### Math 222

222 - Steve, Wednesday, October 22, 2014 at 12:02am I assume you want to factor the expressions? a^4b + a^2b^3 = a^2b(a^2+b^2) z^2 + 18z + 45 = (z+3)(z+15) •Math 222 - Monica, Wednesday, October 22, 2014 at 12:10am Thank you Steve and can you please explain how you got both ...
22. ### Math

Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher
23. ### Math

On an automobile assembly line, every third car is green. Every fourth car is a convertible. a) How many cars are out of the first 100 will be convertibles? b) Which number of car is First Green convertibles? Grade 7 Math Please answer, ASAP.

A long, straight wire of length 2L on the y-axis carries a current I. According to the Biot-Savart Law, the magnitude of the magnetic field due to the current at a point (a,0) is given by B(a)= (mu sub 0 multiply by I) divided by 4pi times the integral from -L to L of (Sine ...

26. ### spanish

please help me with this one "¿Qué usas con esos pantalones?" "_____." a. uso un bolso b. uso la manga c. uso el vendedor d. eso un cinturón please explain the question to me
27. ### Science

Explain the energy transformations during skydiving Explain what happens once a skydiver reaches terminal velocity please help...i cant find any information...please note that I need to EXPLAIN
28. ### Math

Hello everyone. I have a math problem that I need a bit of help with please. Ava wants to ride the Rip Ride Rocket roller coaster at Universal Studios. She knows that she has to be at least 40 inches tall. If h represents the height of the children that CANNOT ride the coaster...
29. ### 6th Grade Math Help & FAST!!!

I only have 2 questions. 1 is multiple choice and one I have to type so please help. 1. Which set of output values correctly completes the function table? This is the function table: y= 2x - 4. Input (x) 6, 2, -4. Output (y) those three slots all have question marks. A. 8, 2...

This is my sons math problem I am not good at math please can you help me and show the work for the calculations " ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING TENS?...
31. ### math

I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide ((z^2-1)/16z+16) / ((z-1)/4) 7.) ...
32. ### Math - Calculus

Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x) intersects its? -6x^3 + 2x^2 - 9x +3 / -5x^2 +9x - 4 1)Find the equation of the non-vertical asymptote. 2)What is the smallest value of x at which f(x) intersects its non-vertical ...

Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==> HCO3^- + OH^- Do an ...
34. ### psychology

Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Once YOU have come up with a response to YOUR questions, please re-post and let us know what you think. Then someone here will...
35. ### SCIENCE

could you please help me on some information about this topic please. Ihave a presentation to do on this and i need scientific research or journals as references to add to my powerpoint. An Investigation of the Impacts of Current on Shoaling and schooling Behavior in Anchoa ...
36. ### REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!

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...Please!

38. ### linguistics

Hello everybody! I need a huge favour! If someone is very very good at distinguishing metaphors from metonymys please leave an e-mail.I am going to send you some examples.So if anyone is willing to do it please say!

40. ### Chemistry

4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. Can someone please show me how to calculate a question like this please? Thank you
41. ### computors...non-school related

What Can I Do... When I try and open an email attachment, The Message Is This 'This Operation Has Been Canceled Due To Restrictions In Effect On This Computer. Please Contact The System Administrator'. Well... I Am The Administrator... So... How Can I Remove This... please help

how do i calculate a concentration ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given at 25 C and pH7 E(mV) as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i don't know how im supposed to calculate it from this data please help

how do i calculate a concentration ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given at 25 C and pH7 E(mV) as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i don't know how im supposed to calculate it from this data please help!!!

how do i calculate a concentration ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given at 25 C and pH7 E(mV) as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i don't know how im supposed to calculate it from this data please help!
45. ### Freshmon Comp

Can someone please help me come up with a simple topic for a division Analysis Essay. It only has to be four hundred word so it cant be to general please help me its due tomorrow and i still havent got a clue, for a topic

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

A car is climbing a hill and accelerating at a constant rate of 0.3 g and at an angle of 10 degrees. What is the steady state value of the ANGLE made by a mass hung from a cord that's attached to the rearview mirror. Please Help don't know how to start.
48. ### Psycholofgy

Methanol (CH3OH) can be made by controlled oxidation of methane. CH4(g) + 1/2 O2(g) ¨ CH3OH(g) I found that the ƒ¢H‹ is -126.4kJ/K and the ƒ¢S‹ is -51.2, and the ƒ¢G‹ at 298 K is 111kJ Yet how do you Calculate the temperature at equilibrium? please show ...
50. ### Social Studies (History)

What did Germany, Italy, Japan, and the Soviet Union aka USSR have in common before WWII? please have four reasons and please explain why these countries had that similarity.

find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps
53. ### Social studies

I don't want links I want answers please and please make sure it's in your own words. What are the causes of problems the Mayans and other Native American groups fate in Guatemala? How are people trying to solve these problems?
54. ### Chemistry

. Using I2 (aq)+ 2S2O3=> S4O6 (aq)+ 2I(aq) calculate the number of moles of molecular iodine. Given that there are 0.004328482 Moles of Na2S2O3. can someone please help i have no idea how to do this question for my lab!!! if possible please explain with steps.
55. ### Math

Mrs. Lincoln budgets her monthly take-home pay. The remainder she deposits in her savings account. She budgets 1/3 of her take-home pay rent, 1/8 for car expenses, 1/6 for food, 1/24 for insurance and 1/16 for entertainment. What is Mrs. Lincoln's monthly take-home pay if she ...

Mike’s Sporting Goods sells elliptical trainers under two payment plans: cash and installment. Under the installment plan, the customer pays \$90/month over 5 years with interest changed on the balance at a rate of 19%/year compounded monthly. Find the cash price for an ...
57. ### Simplify Polynomials

Simplify Polynomials 18x^2+6+4x-15x^2-4+13x 3x^2+6-2x+5x-4x^2+9 3x^2+3x-7x+3-5x^+2 ______________________________________________ What is the coefficient of x? -5x-4x^2+9 ______________________________________________ ADD (m^2-m-4)+(m-5) SUBTRACT (5x^2+x-3)-(-2x^3+4) ...
58. ### Chemistry

I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me .. so d=1.33*10^-6 m and...
59. ### Chemistry

I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me .. so d=1.33*10^-6 m and...
60. ### Math

Find the area of the triangle with the base 1 2/5 yards and height 5/9 yards. The area of the triangle equals half of the product base and height. The area is ____yd^2 (Type whole number or a simplified fraction) I came up with 35/108 did I do the math correctly, and if not ...
61. ### History

Need help finding old newspaper articles on lapd swat please. LAPD SWAT was created in 1968, so i need an article that is from 1968-1982. I only found one and i am having a lot of trouble finding another one. Please if you know any online newspaper article websites that most ...
62. ### Math

Jake can carry 6 1/4 pounds of wood in from the barn. His father can carry 1 5/7 times as much as Jake. How many pounds can Jake's father carry? Answer: 1 3/28 Can you please double check the above answer. I don't know if it is right or wrong. 2. A glass can hold 3 1/3 cups of...
63. ### 7th grade math help asap plz

6. In which quadrant is the point (x, y) located if x is negative and y is positive? (1 point) II III IV I At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (–2, –5) and moved 3 steps up and 1 step right. a. ...

Can you give me links to these questions please? What did the Telegraph Lead to? What was life like after the Telegraph? Positive and negative Impacts of the Telegraph
65. ### English

Where reading the poem "LEGAL ALIEN" by Pat Mora . We have to find the rhythm,meter, and assonance . I cant fimd any of that in the poem . Please tell me what each one of them are in the poem .. Reply ASAP please
66. ### CHEMISTRY

A(aq) + B(aq) + C(aq) → D(aq) [A]. [B]. Rate (mol) 0.01 0.02 0.0005 0.02 0.02 0.0010 0.01 0.04 0.0020 Determine : a) The order of the reaction of each reactant b) The rate law c) The rate constant K, Using result from experiment 1. Please working answers please
67. ### Math Functions

Hello. Could you please help with my math homework...? An online bookseller gives the following information for their shipping information: "The shipping and handing charge per order is \$4, plus \$1.50 per book." Let x = the number of books that someone orders. Let S(x) = the ...
68. ### Math check my answers

1. Evaluate. 8d - 10 for d = 4 A.32 B.22*** C.26 D.46 2. write an algebraic expression for the sum of 3 coins and c coins. A.c + 3*** B.c/3 C.3c D.c-3 3. Find the solution of the equation from the given numbers. x - 2 =16: 14, 18, 21, or 12 A.12 B.14 C.18*** D.21 4.use mental ...
69. ### math

I am a little confused on the first question of this problem could someone please check my answers and please explain why and what I need to do to get correct answer thank you Calculate the mean, and write this as a mixed fraction. 12,9,4,6,8,12,13,14,11,5,12,2,9,13 answer I ...
70. ### math: inequalities

2b < 8 My answer is that b is less than or equal to 3.9. Is that correct? If not, can you explain why it isn't, please? b< or = to 3.9 is correct, but you could just say b<4. Thanks :) i don't understand it can you show me the steps? I don get this problem: 4(x-2)<...
71. ### math

i need help on a proof, can anyone help? please HELP!!!! me on the difference between 3/4 and 1/3???????? You have to find the common denominator of 3 and 4, which can be 12. The first fraction becomes 9/12 and the second becomes 4/12. 9/12 - 4/12 = 5/12.
72. ### Math.

I JUST can't figure out the answer! Can someone please help me? What is the next number in this sequence? 52, 28, 33, 63, 73, 23, 56,... Ah ha! Nevermind, I just got it, 89, I think :) Thanks anyway :)
73. ### math

How do you figure out the slope without drawing the graph? I kinda forgot. I have a chart with data, and I need to know the slope please help thank you
74. ### i need help..algebra/math

solve by using the quadratic formula: x2 plus x minus 2 equal 0 I know the formula is a=1 b=1 c=2 I'm having trouble solving...please help.
75. ### math

my question in (slope) find the coordinates of the vertices of a triangle so that the slope of all three sides are positive ??? please explain your answer .
76. ### Math

Please help, this has me so stumped. What about this one then. Following the pattern shown in the number sequence below, what is the missing number? 1 - 8 - 27 - ? - 125 - 216 36 45 46 64 99
77. ### functions math

hi can any one please help me solve this question? logbase2x+logbase2 3= 3 i factored the left side but i have no idea what to do with the right side.
78. ### math

Tom drives from his house to his office. He drives 64 km east and then along the new Square Route Expressway. please Explain your answer...
79. ### Math

Use the cross product to find a vector perpendicular to each of the following pairs of vectors. (2, -1, 3) and (1, 4, -2) Can someone please explain this step by step?
80. ### Math-Angles+Shapes

I really don't get how like obtuse triangles are the way they are...like who they get measured but mainly I need help on the subject. Please help me understand it!
81. ### MAth

iFind the first and third quartiles, Q1 and Q3, of the following set of numbers. 13, 4, 12, 16, 8, 14, 8, 3, 10, 8 A) 3; 16 B) 4; 14 C) 4; 12 D) 8; 13 need help with the top problem. help with this too please: Find the Find the reciprocal of - 1/5 (15)
82. ### math

Find the exact value of the shortest distance from the origin to each line. y=x-4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.
83. ### math

THIS IS SYSTEM OF EQUATIONS:SUBSTITUTON Y=2X-8 X-Y=2 I KNO THAT U COMBINE SO IT WILL BE X-2X-8=2 WHICH WLL BE 3X-8=2 BUT I DON'T KNO HOW TO FINISH TH REST......CAN SOMEONE HELP ME....... IF DID SOMETHING WRONG PLEASE TELL ME
84. ### math

the diameter of a cylinder is one half the height. Express the total surface area as a function of the height h. Can someone please help me with this question
85. ### the subject with numbers

Julie is paid a comission of 3% on all sales. Last week, she earned \$82.74. What were her total sales? How do you solve this math question? Please and Thank you!
86. ### Math

Consider the function f(x) whose second derivative is f(x)=10x+2sin(x). If f(0)=4 and f'(0)=4, what is f(x)? Please do not include the constant (+C) in your answer. I got f(x) to be (10/6)x^3-2sin(x), but don't really know what to do with the f(0)=4
87. ### math

a rectangular field is to be enclosed with 600m of fencing. Find the dimensions of the field that will give you the greatest area. please help me.. exam tomorrow!:(
88. ### math

I've worked these problems but I was just wondering if someone could check over them to see if they're correct...if not please help! (u-2)(u+7) my answer: 7u^2-49u (5t-4)^2 my answer: 25t^2-40+16 Thank you :)

1)which shapes are polygons. 2)which shapes have atleast one curved side.if you know this please help me as soon as posible because this is my homework

1)which shapes are polygons. 2)which shapes have atleast one curved side.if you know this please help me as soon as posible because this is my homework
91. ### math

i am doing a SSAT/ISEE Prep... not a dignostc but just a prep. I need help desperately. Please help me within the next few minutes, somebody!
92. ### chemistry/math

I don't know where to begin with this problem...help please. if it takes 24.75 cal to raise 15 grams of iron from 50 degrees C to 65 C, what is the specific heat capacity of iron?
93. ### Math

How do I transform this into simple radical form... I have no idea how to do this could you please tell me the logic behind how you do this and step by step thanks (5^(1/2)-3^(1/2))^2 thanks again
94. ### math

PLEASE HELP Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + y^2 = 49 is this correct?
95. ### math

Me and my mom are having an agrument about how to solve this problem. 27 / (5+4) * 19= she says the answer is 57 and I say the answer is 6 with a remainder of 9..can you please tell me who is right. Thank you.
96. ### math

Find the common ratio and write out the first four terms of the geometric sequence bracket (3 to the power of n-1)/(10) bracket ???? please help me!