# The problem is 5x to the 3rd times (7x)squared. I multiplied (7x)(7x) first and got x squared + 14x + 49. Then I multiplied each of those by 5x to the 3rd and came up with an answer of: 5x

40,609 results
1. ## math

Which shows a perfect square trinomial? 50 y squared minus 4 x squared 100 minus 36 x squared y squared 16 x squared + 24 x y + 9 y squared 49 x squared minus 70 x y + 10 y squared

2. ## Physics

Hi guys, Im a bit stumped on how to solve an online physics homework problem and it's really bothering me. I have no idea how to come up with the angles or even attempt the problem and neither do my friends. We'd all really appreciate it if someone could

3. ## Math

Beth enlarged the triangle below by a scale of 5. A triangle with a base of 4 centimeters and height of 3.5 centimeters. She found the area of the enlarged triangle. Her work is shown below. One-half (4) (3.5) (5) = 35 centimeters squared What was Beth’s

4. ## calculus

1.Solve the differential equation dy/dx= y^2/x^3 for y=f(x) with the condition y(1) = 1. 2.Solve the differential equation y prime equals the product of 2 times x and the square root of the quantity 1 minus y squared. Explain why the initial value problem

5. ## algebra

A 28​-inch board is to be cut into three pieces so that the second piece is twicetwice as long as the first piece and the third piece is 44 times as long as the first piece. If x represents the length of the first​ piece, find the lengths of all three

6. ## Quick calc question

Write the Riemann sum to find the area under the graph of the function f(x) = x2 from x = 1 to x = 5. 1. the summation from i equals 1 to n of the product of the quantity squared of 1 plus 5 times i over n and 4 over n 2. the limit as n goes to infinity of

7. ## Math

What is the simplified form of The quantity x to the fourth power minus 81 divided by the quantity x plus 3 ? A. x cubed minus 3 times x squared plus 9 times x minus 27 B. the quantity x squared plus 9 times the quantity x squared minus 9 C. x cubed plus 3

8. ## math

what is the solution to 4 times 10 to the 3rd power times 3 times 10 to the 4th power written in scientific notation

9. ## math

Simplify 4 to the 7th over 5 squared all raised to the 3rd power. 4 to the 10th over 5 to the 5th 4 to the 4th over 5 4 to the 21st over 5 to the 6th 12 to the 7th over 15 squared

10. ## Math

What is the total area of Europe? the land area is (1,000 mi squared) Europe land area is 3,800 so do I do it like thsi? 3800*1000 mi squared=3800000 mi squared? You have a problem here: 3800 what? Please completely rewrite the problem. Then repost it.

11. ## Math

Please help IF I am right or not Which of the following correctly simplifies the expression 3 to the power of 2 multiplied by 5 to the power of 0 whole over 4, the whole squared.? 3 to the power of 2 multiplied by 1 whole over 4, the whole squared. = 3 to

12. ## Math

How do I solve the following word problem : A satellite orbits Earth in a circular path with equation x squared + y squared = 1.44 times 10 to the power of 8. With distances measured in kilometers. Another satellite orbiting in the same plane passes

13. ## Calculus

PLEASE HELP! Which one or ones of the following integrals produces the area that lies inside the circle r = 3 sin θ and outside the cardioid r = 1 + sin θ? (10 points) I. one half times the integral from pi over 6 to 5 times pi over 6 of the quantity 9

14. ## Algebra

Find the quotient of the quantity negative 15 times x to the 2nd power times y to the 6th power plus 50 times x to the 4th power times y to the 3rd power minus 20 times x to the 2nd power times y all over 5 times x to the 2nd Find the quotient of the

15. ## Algebra

Evaluate this expression for a= -2 2a to the 3rd power times (2a) to the 3rd power

16. ## algebra 2 multiple choice HELP

find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)2(squared)-2t+1-2 B. 2(t+a)2(squared)-2(t+a)-2 C. 2a2(squared)-a-2 D. 4a2(squared)-2a-2 I put (squared) because the two in front of it means it's being squared... please help. thanks!

17. ## Calculus

Find the velocity vector for a particle whose position vector is vector components 2t, 5 for all t. (10 points) A) vector components 2, 0 B) vector components t squared, 5 times t C) vector components t cubed over 3, 5 times t squared over 2 D) the square

18. ## Albegra

I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

19. ## Algrebra

I need to find the approximate surface area of a cone with the R=5 and L=6. I thought I figured it out by 3.14(5)(6) which will give me 94.2 I then would take 94.2 +3.14(5)squared and I came up with 172.7, but my answer should be either 20m squared, 98m

20. ## math

Simplify 4 to the 7th over 5 squared all raised to the 3rd power

21. ## Algebra II

The problem is 5x to the 3rd times (7x)squared. I multiplied (7x)(7x) first and got x squared + 14x + 49. Then I multiplied each of those by 5x to the 3rd and came up with an answer of: 5x to the 5th + 70x to the 4th + 245x to the 3rd. Did I get this one

22. ## algebra

if a+b=1 and a squared + b squared=2 what does a to the 3rd + b to the 3rd equal? If b is 1, b cubed is one. That would work for the first half, but doesn't extend to a to the 3rd+b to the 3rd and what weould 2 squard be? Thank you so much for helping Are

23. ## Math

How do I simplify this: (The ^ symbol means 3) -3(12)-{5(-4)-2^ I tried it,and got-8,however when I rechecked my work I got -64. Please help! Please help! where is the other } in the equation? And ^ means to the power so -2^3 would be minus 2 to the 3rd

24. ## Math

I need help with this problem. In decimal form, write the ratio of the first 8 consecutive square numbers. 1 squared:2 squared, 2 squared:3squared, 3 squared:4 squared

25. ## solving Equations

Solve x square pluse 5x subtracting by 6 equals zero? X^2 + 5x - 6 = 0 Solve by factoring. 3 and 2 will do it. heres the right answer.... (x-1)(x+6)=0 x=1 x=-6 Let's see if that is the right answer. The first number is the product of the first two numbers;

26. ## Math

A few here. 4x-8 ------ x(squared)-4 _________________________ 2m(squared)+5m-3 ------------------ m(squared)+4m+3 __________________________ 3x+4 ----- 12 (times) 8 ----- 9x+12 ________________________ x+5 ----- 16x (divided by) 3x-2 ----- 4x(squared)

27. ## Algebra

Below is a "complete the square problem" from a math help site on the internet. This is the original problem. 4x2 – 2x – 5 = 0 Move the loose number over to the other side. 4x2 – 2x = 5 Divide through by whatever is multiplied on the squared term.

Assume a circular orbit. If a planet's distance from it star is multiplied by 25 times, then by how many times is its orbital period T multiplied ?

29. ## economic - emergency

Question concerning production function - Cobb douglas. Given is: y=(0,2K-1 + 0,8L-1)-1 If wk = wL =1, what will k and L be? Now suppose again: y=(0,2k-1 + 0,8L-1)-1 and z=K1/3*L2/3. Is product y or z always more demanding to capitals (in case of labour)?

30. ## Math

Find the shortcut. Solve these problems. Then find and explain a shortcut method for finding the answer. 52(Squared) - 42 (squared) = 82 (Squared) - 72 (Squared) = 122 (Squared) - 112 (Squared) = 312 (Squared) - 302 (Squared) = 892 (Squared) - 882

I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is

32. ## Algebra

help me solve this exponential problem P to the 3rd power times q 5 over 2 all over q to the 2nd power times r to the negative 6.

33. ## math

How do i find the area of a triangle? For example: A squared + b squared= c squared 8.5 squared + 6.4 squared= c squared 72.25 + 40.96= c squared 113.21=c squared 10.6400188=c even tho i thought this was the answer it is not because it does not solve the

34. ## MATH

My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

35. ## dividing monomials

i don't know what to do when their is a smaller number on top Give an example and tell us what you don't understand. (-c)2d7/c2d6 d i just don't get it do u have some examples? What is X squred minus 5X plus 4 divided by X minus 1 (4^t)(8t^5) (-z)6/(-z)3

36. ## Math

My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

i need help solving this problem.. -2 multiplied by the square root of 5 multiplied by 3 which is multiplied by the square root of 6 which is also multiplied by the (-)negitive square root of 7 plz put the problem in symbols as it is shown in your textbook

38. ## Math question

I don't understand how to find the aproximate area of a shaded region This problem has a big cirlce with 1/4 shadded with a radius of 20 cm. the answer chocies are A. 90 cm squared B. 270 cm squared C. 314 cm squared D. 1.256 cm squared how do I find the

39. ## Math11U

A Pythagorean Triple is a set of integers that satisfy the Pythagorean Theorem, c squared= a squared + b squared. 3,4,5 and 5,12,13 are just two of many examples. Find another, that is not a multiple of the one of the two given, using the following

40. ## math

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "-" # = number y=x (x+1)squared + (y+1)squared = 6 i substitute y (x+1)squared + (x+1)squared = 6 x squared + 2x + 1 + x squared

Please help me with these factorise algebra questions!!! 1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x squared + 27x - 10 4. If A= 15x squared - 20x +11 and B= 1 + 9x+ 5x squared, then A-B when factorised is...

42. ## math,algebra

Directions:Multiply (-1/2)(-3/8) mY ANSWER : .1875 Now how do i turn this into a fraction. numerator multiplied: 3 denominator multiplied 16 3/16 How do you get to that answer because not every single one would be multiplied by the numerator 3. Can you

43. ## Algebra

Hi! My name is Jason... today I have 2 problems for you both having to deal with Algebra. My questions are ::: Question 1 :: Direction: Find the degree of the polynomial. Problem: - 1 + 8 x ^ 4 - x ^ 2 (negative 1 plus 8x squared minus x squared) Question

44. ## Math

I can't figure our how they got the answer to this question: Use the following function to find f(-2)? f(x)=x(squared)-3 This is how I am solving the problem: f(x)=x(squared) -3 f(-2)=(-2)squared -3 f(-2)=4-3 f(-2)=1 The correct answer is 2 and I don;t

I am having a hard time understanding recprocial with fractions I would like to find a web site to help me understand this better I have a problem that is need to know if i have done it right the question is find the reciprocial of (-1/7)(14/3)(9) This how

46. ## Albegra

I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

47. ## Albegra

I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

48. ## algerbra

i have to simply the expression 3x squared-10+4x+8-x squared, so far i have this 1x squared+4x-2 3x squared-1xsqaured+4x -10+8 2x squared+4x-2 i know its kinda confusing becasue i type sqaured so many time, am i on the right track?how do i find the answer

49. ## Multiplying and Dividing Rational Expressions

I will be forever thankfulif someone can solve these for me.Hopefully I typed them correctly. For instance,the first one,what I'm looking at is m-2over m-5 and that's multiplied times m+5 over m-2 1.m-2/m-5*m+5/m-2 2.4(x+2)/5x*6x^2/2x 3.25-x^2/25*6/5-x

50. ## Math

I need help on factoring monomials in quadratic form. The problem is: a² + 17a + 16 I know that the first step is to multiply 16 times the coefficient of "a", which is 1. I get 16. Now I have to fill in factors that when multiplied, equal 16, but when

51. ## Math

3(-5)squared -2/-5(2)/2 squared I don't get the second part but... any number squared is positive so 3(-5) squared is 3x25 if only (-5) is squared. If the whole thing is squared then multiply first, (3x-5) then squared the answer. Is the second

52. ## Math

The number 18 is multiplied by a number called "r". When 6 is subtracted from the product of 18 times r, the result is 54. Write the equation to solve this word problem.

53. ## Math

x-4 multiplied by x-3 equals what? 2x-1 multiplied by x-3 equals what? I tried doing each problem each time and whenever it is in fraction form since that is how it is suppose to be written, it doesn't look right. What could I be doing wrong?

54. ## math

a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?

55. ## english

“squared” (line 9) means: (A) multiplied (B) opposed (C) linked (D) matched i think A

56. ## Algebra 1

This is a long division problem: x cubed + 7x squared - 49 divided by x + 5 I know the answer is x squared + 2x - 10 + 1 over x + 5 but i don't know how to get that

57. ## math

Assuming that the square root of 2 is rational and is = to an even number divided by an odd number.2 multiplied by the odd number squared is= to the even number squared

58. ## math

with a problem such as x squared+ y squared and coordinates (-2,-5) would you use parethesis when you plug in the numbers for the variables?

59. ## Math

Please help with this problem!! Assume a, b and c are positive integers such that c cubed=a squared-b squared. If c is the least odd integer for which this is true, what is the least possible value of b?

60. ## Physics

If a ball is rolling down an inclined ramp straight, will the change in position be squared for every passing second or would it just be multiplied by two? I'm not sure if this makes sense so here's what I mean in an example for the change in position will

61. ## Math

This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you

62. ## algebra

7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please

63. ## math

Factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf. I think the answer is 3abc(5ac-3ab3). I got it because I found the gcf of the coefficents which are 3. I subtracted one from each exponent so, i canceled b from 15a squared

64. ## math

Can someone give me an example of a statement in English representing an algebraic relationship.I have to create one but i don't know what this refers to. Well it is just a written algebraic statement sort of like: a squared plus b squared is equal to c

65. ## physics

what is the initial velocity of this equation. .92m= 3.10 times .43 + 1/2 times 9.8 m/s times .43 squared

66. ## Math

How can I graph this equation: (x-squared + y-squared - 1)cubed = x-squared times y-cubed ? Is there a polar form of the equation?

67. ## Math

Find the equation of a hyperbola of the form x squared / M - y squared / N = 1 the transverse axis is 12 and the foci from the center is 16 is the answer x squared / 36 - y squared / 220 = 1

68. ## Math

Find the area for the circle use 3.14 for pi. round to the nearest tenth 4mm is in the middle A. 12.56 mm squared B. 25.12 mm squared C. 50.24 mm squared D. 502.4 mm squared

69. ## Math

Using the example: (a+b)(a+b)= a squared -b squared, we are asked to multiply and simplify (b+3d)(b-3d). Hint: Do not use distributive property. Shouldn't the answer be b squared - 9d squared?

70. ## Math

how do you find the surface area of a sphere if the circonference measures 20 pie ft? A. 1256.6ft squared B. 10ft squared C. 314.2ft squared D. 62.8ft squared

71. ## math

help pls, and quick this is for a thing i'm doing rn 13. use a net to find the surface area of the prism. l = 14 in. w = 5 in. h = 7 in. answers: (a) 203 squared in. (b) 406 squared in. (c) 476 squared in. (d) 540 squared in.

72. ## Chemistry

Consider the following problem: Target: 2NOCl(g) ? N2(g)+ O2(g)+Cl2 (g) ?Hrxn= ? Steps: 1. 1/2 N2(g) + 1/2 O2(g)? NO(g) ?H= 90.3 kJ 2. NO(g) + 1/2 Cl2(g) ? NOCl(g) ?H= -38.6 kJ As you determine the ¥ÄHrxn value for the target equation above, what must be

73. ## Chemistry Urgent

Consider the following problem: Target: 2NOCl(g) ? N2(g)+ O2(g)+Cl2 (g) ?Hrxn= ? Steps: 1. 1/2 N2(g) + 1/2 O2(g)? NO(g) ?H= 90.3 kJ 2. NO(g) + 1/2 Cl2(g) ? NOCl(g) ?H= -38.6 kJ As you determine the ¥ÄHrxn value for the target equation above, what must be

74. ## Physics

Assume a quantity in physics was defined as (x2a3/v2) (acceleration cubed times distance squared divided by velocity squared). What would be the units of such a quantity? a) m3/s4 b) m2/s2 c) s4/m d) m/s4 e) None of these.

75. ## SCIENCE(PHYSICS)

A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km

76. ## MAT115

which pair of fractions is proportional A)0.8/0.4=3.2/2 B)0.6/0.3=0.9/0.45 C)0.8/0.4=3.2/2.4 D)0.8/0.4=4/2.4 I thought B was correct. to get this i multiplied 0.6 *0.45=.27 multiplied 0.3 *0.9=.27 Am I on the right track? I multiplied the opposites of each

77. ## Math

Only the 1, +, -, X, / , (, ), and = keys on a scientific calculator are working. How can a result of 75 be reached by pushing these keys less than 20 times? isn't five squared twenty-five, multiplied by three...

I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is

79. ## Algebra

Hi I am taking my final right now and I have a few problems I am stuck with, can you help me? 1. (x-3y)(x squared+3xy+9y squared) 2. (x+2)(x-2)(x-3) they both need to be multiplied thanks I will critique your thinking, if you post it. This is your final...

81. ## geometry

what is the solution to this problem? -2=2x^2-7x negative two equals two times "x" squared minus seven "x".

82. ## maths

i need help with writing expressions A) double the sum of 25 and 8 i think it is(2x25+8) B) the quotient of 15 and 3 subtracted from the product of 4 and 9 i think it is (5/3-4x9) C) the difference between 20 and 5 multiplied by the sum of 8 and 2 I think

83. ## Math

simplify the following expression and show your problem solving strategy x cubed + x squared + x + 1 + 2(x cubed + x squared + x + 1) + 3(x cubed + x squared + x + 1) + ....100( x cubed + x squared + x + 1)

84. ## Math

2x − 5y + 3z = 8 3x − y + 4z = 7 x + 3y + 2z = −3 Can I multiple the 2nd equation by 3 and the 3rd by 3? Or should I take care of 1&3 and then deal with 2. since both of them can be multiplied by three and five

85. ## ***Chemistry!!!!

Carry out the following operations, and express the answer with the appropriate number of significant figures. 1.)[(285.3 multiplied by 105) - (1.500 multiplied by 103)] multiplied by 2.8948 2.) 874 multiplied by [1267 - (3.50 multiplied by 128)] *I know

86. ## math,algebra,help

Okay now i need explanation how to do these types of problems. Directions: Divide Problem: (7x^5y^5-21x^4y^4+14x^3y^3)/(7x^3y^3) Realize that you have 7x^3y^3 on the bottom. Now in order to get rid of that, you want to have the same thing in the top,

87. ## Algebra 1

What is 5x cubed over x squared multiplied by 3x to the fourth power over 6x?

88. ## algebra

x cubed + x squared over x squared - 16 times x + 4 over 3x to the fourth power + x cubed - 2x squared. i got x + 1 over (x-4) (x+1) (3x+2). is this correct?

89. ## math

in a right triangle if the oppisite B = 2 times 5 squared, the adjacent A = 5 squared, then what is the hypotenuse C?????????

90. ## Algebra

What is 2a^2 over 4b times b^2 over a^2 or what is 2a squared over 4b, times b squared over a squared ? Thankyou

91. ## math,help

okay Directions: find the following squares. Problem: ((w)-(1)/(4))^2 I have no idea how to even start. First, FOIL the numerator and then square the denominator. Let me know what you get. (-1w^2)/(4w^2) is this what you mean? No :) Your numerator is w-1.

92. ## algebra

I have no idea how to do this problem. Find the product: z squared plus 7z-8 z sqaured-8z ------------------- X __________ z squared-64 z-1

93. ## algebra 2

I am so stuck on this factoring thing. how do you solve: 1)15a(squared)b-10ab(squared) 2)x(squared)-8x-8 3) 6p(squared)-17p-45 4)2r(cubed)+250 5)x(to the 6th power)-64 6)x(squared)-xy+2x-2y 7)x(to 4th power)-1

94. ## Algebra

Mutiplying a Binomial by a Trinomial (FOIL) First, Outer, Inner, Last Method (3X+2)(X-1)(X+3) I have tried equation several times. The book says the answer is: 3X 3rd + 8X 2nd - 5X -6 I get: 12X 2nd - 6X + 3X 3rd -4 Not sure if i am doing it wrong or if

95. ## math

I'm trying to multiply this and keep getting the wrong answer: (x - 5)(-0.025x + 220) I have used the FOIL method and I have multiplied (x - 5) -0.025x and then multiplied (x - 5) 220. Both methods I get the same answer. But... the answer book and the

96. ## algebra 2

Can someone please help me solve this problem? I do not know how to do it. 2x(squared)+3x+1. And 3ay(squared)+9a?

97. ## Chemistry

The Ka values of H3PO4 are shown below. Ka1 7.5 multiplied by 10-3 Ka2 6.2 multiplied by 10-8 Ka3 4.8 multiplied by 10-13 What is the pH of a 0.14 M solution of Na2HPO4?

98. ## Algebra

Hi, I'm looking at my book and I can't see how they've gotten this answer: The last bit: -11/20y=-3 Their answer is y=60/11 How did they get that? The full problem, if it helps: 1/4y+2=4/5y-1 1/4y-4/5y=-1-2 -11/20y=-3 y=60/11 Okay, since typing it out - I

99. ## Math- Algebra

i'm having troubles with some sums how would you factorize completely 9a(squared) - b(squared)? or an expression like 27x(squared) - 1/3y(squared) its difficult. have many more.

100. ## Math

(〖3x〗^4/〖6x〗^3 )2 I'm having some trouble solving this. In the numerator is 3x to the 4th. In the denominator is 6x to the 3rd. All of that is in a bracket and it's all squared. Do I have to first subtract the exponents, 4 - 3 and then multiply by