# 10t-640/t^2 = 0 Thank you so much for huge help:)))

1,342 results
1. ## Calculus

a 160-inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side , at right angles to the base. the sides will be the same height , x. if the tgrough is to have a maximum volume, how many inches

2. ## math

If a ball is thrown into the air with a velocity of 10 m/s, its height (in meters) after t seconds is given by y = 10t − 4.9t2. Find the VELOCITY when t = 1.

3. ## English

Which sentence combines these two sentences and includes a relative clause? The twins pretended to be each other. The switch was a huge mistake. Choices The twins pretended to be each other, which was a huge mistake. The twins pretended to be each other, a

4. ## Calculus

Find an equation of the plane orthogonal to the line: (x,y,z) = (5,-6,-1) + t(3,10,-3) which passes through the point (-6,-1,5). so i got so far: x=5+3t y=-6+10t z=-1-3t Should be in form ax+by+cz+d=d Not sure where to go from there...

5. ## SCIENCE

Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so. I put it would break satellites and powercuts would happen. But would a huge solar flare kill all people on Earth? Im not sure

6. ## Math

For the given problem simplify the expression. 1. 4d - 5 - 9d + 17 2.-8p - 12 + 7p - 11 3. 27 - 13t + 32 - 2t + 10t

7. ## Mathematics

If 5th and 8th terms of A GP are 80 and 640, what's the common ratio?

8. ## Algebra

Solve by factoring: 10t^2 – t − 2 = 0

9. ## math

10t-640/t^2 = 0 Thank you so much for huge help:)))

10. ## Math/Calculus

A series circuit contains a resistor with R = 24 ohms, an inductor with L = 2 H, a capacitor with C = 0.005 F, and a generator producing a voltage of E(t) = 12 sin(10t). The initial charge is Q = 0.001 C and the initial current is 0. (a) Find the charge at

11. ## can someone please check if im right : math

4(3x+7) is this the equivalent expression : 12x+28 Yes it is, that' using the distributive property. ok. how do i get the opposite of an expression example : -10t+21 The opposite? Do you mean the negative or additive inverse of the expression? If so then

12. ## math

A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a second, when is the ball 6m above the ground? Explain why there are two answers. set h=6 rearrange the quadratic equation to get

13. ## math

h(t) = -9.8t^2-10t + 250

14. ## Calculus

After t hours of an 8-hour trip the distance a car travels is modeled by: D(t)= 10t + (5)/(1+t) - 5 where D(t) is measured in meters. a) derive a formula for the velocity of the car. b) how fast is the car moving at 6 hours? c) derive a formula for the

15. ## Math

A ball is thrown straight up from a bridge over a river and falls into the water. The height, h, in meters, of the ball above the water t seconds after being thrown is approximately modeled by the relation h=-5t^2+10t+35. Can you please help me ! Show your

16. ## History

1. A decline in the number of U.S. manufacturing jobs was in part the result of *globalization. biotechnology. entrepreneurs. superstations. 2. The first modern computer was designed to benefit universities. the economy. *the military. corporations. 3.

17. ## Calculus

A projectile is launched vertically from the ground at t=0 and its velocity in flight (in m/s) is given by v(t)=20-10t Find the position function, the displacement, and total distance traveled after t seconds for 0≤t≤4, assuming s(0)=0.

18. ## Chemistry

The population of San Francisco is 750,000 in an area of 49 square miles. What is the population density in San Francisco? Express your answer in people per acre. ( 1mi(squared) = 640 acres ) 49 sq mi x (640 acres/1 sq mi) =?? acres. (Note that sq mi

19. ## Math

A series circuit contains a resistor with R = 24 , an inductor with L = 2 H, a capacitor with C = 0.005 F, and a generator producing a voltage of E(t) = 12 sin(10t). The initial charge is Q = 0.001 C and the initial current is 0. Find the charge at time t.

20. ## math

a radioactive substance decays at an annual rate of 24 percent. If the initial amount of the substance is 640 grams, which of the following functions (f) models the remaining amount of the substance, in grams, t years later? a) f(t) = 640(0.76)^t b) f(t) =

21. ## Algebra 1

Hello, can someone check my answer the the question below? When the digits of a two-digit number are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. WHat is the original number? My answer

22. ## alg

Which expression represents the sum of the following? 5 / 2t + 1 + -1 / 4t^2 + 4t + 1 a)10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c)10t + 1 / (2t + 1)^2 d) 4 / 4t^2 + 6t + 2

23. ## alg

Which expression represents the sum of the following? (5)/ (2t + 1) + (-1) / (4t^2 + 4t + 1) a) 10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c) 4 / 4t^2 + 6t + 2 d) 10t + 1 / (2t + 1)^2

24. ## Physics

PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = 10t + 5t^2 + 3t^3 y(t) = 20t - 10t^2 + 2t^3 where x and y are in meters and t is in seconds. How fast is the object traveling at t = 1 s? Please explain in detail how to do this

25. ## algebra

A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a second, when is the ball 6m above the ground? Explain why there are two answers. you have to equate h to 6: h = 6 ----> 5t^2+10t+2

26. ## Math

Below is a table showing the cost lawn maintenance service charges for various commercial and retail properties. Cost of lawn maintenance (\$) 640, 250, 500, 640, 720, 640, 250, 720 A. Find the mean absolute deviation for the lawn maintenance company B.

27. ## K

(a) Find the indeﬁnite integrals of the following functions. (i) f (t) = 6 cos(3t) + 5e^−10t (ii) g(x) = 21-12x^3/ x (x > 0) (iii) h(u) = cos^2( 1/8 u) (b) Evaluate: (this big F sign at the start, 5 at the top and 1 at the bottom) 5 1/4x (7 + 6x^2) dx

28. ## ENGLISH

How would you rewrite the following claim to remedy problems of ambiguity? Do not assume that common sense by itself solves the problem. "I am a huge Mustang fan." --- Ford Mustang advertisement ANSWERS: 1. I am a big man, and I like Mustangs. 2. I like

29. ## math

Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong? Simplify (2t^2-3t)-(7t^2-5t) = (2t^2)-(7t^2)=-5t = (2t^2)-(-5t)= 7t =(-3t)-(7t^2)=-10t =(-3t)-(-5t)=2t =-5t+7t-10t+2t I am

30. ## math

If a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 330, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to

31. ## math ALGEBRA

When the digits of two-digits numbers are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number. Can some one please help me here? The tens digit is T, the units

32. ## MEASUREMENTS

162 3/4 ACRES =_______MI^2 1642.75 ACRES/1 * 1 MILE/640 ACRES =1642.75/640=2.57 MILES

the story's theme is huge jobs require huge effort, its lots of fun to be a lumberjack, large people have good hearts, or logging can be dangerous i put the 3rd one (its about the story Paul Bunyan).

T-10T-24=0

5t-10t^2÷5t

36. ## polynomials am i doing it right?

*(8t^2-10t+2)+ (8t+13) = 8t^2-2t+15 *(x^2+5x-1)-(7x^2+2) =-6x^2+5x+1

5t-10t^2÷5t

38. ## Math-6/7

Eli purchases a container of punch that when mixed with water, makes 640 ounces of punch. Eli has 8 ounce drinking glasses. She assumes that each person will drink 2 glasses of punch. How many people can be served with one container if punch? I said 640

39. ## physics

Y=2sin2Π{0.10t-0.1x}

40. ## algebra

x/6=-10 what does x stand for and I need help with 10t + t + 4/9t what is the value of t

41. ## algebra

(6t)^2+(10t)^2=(270)^2

42. ## algebra

t squared plus 10t plus 16

43. ## math

Solve the following equations. 1. 3n = 6 2. 2s = 10 3. 6x = 24 4. 5y = 20 5. 10t = 30 6. 7n = 35

44. ## algebra

9t^4 + 7t - 45 t^3 + 10t. Now, please combine your like terms.

45. ## Math

Solve the following by fraction 5t^2-10t=0

46. ## Math

Solve the following by Factoring.. 5t^2 - 10t = 0

47. ## algebra

solve the following equation for s r=10t-3s/16

48. ## algebra

9t^4 + 7t - 45 t^3 + 10t. Now, please combine your like terms.

49. ## Math

25=10t-0.83t^2 Solve for t

50. ## algebra

solve for time S=-10t^2+6t+50

51. ## algebra

Solve by factoring: 10t^2 – t − 2 = 0

52. ## Vectors

How are these two lines coincident? 1) r=(1,7)+s(2,5) 2) x=4t+3 y=10t+12

53. ## algebra

9t^4 + 7t - 45 t^3 + 10t. Now, please combine your like terms.

54. ## Algebra

solve the following by fraction 5^2-10t=0

55. ## Calculus

What is the parametrization of the line between (2,-5) (5,5)? (2,-5)+ t (3,10) Is x= 3t +2 and y = 10t -5 correct?

56. ## math problem

Add simplify if possible 9/10t + 6/25t

How do I sketch the graph of this equation? h=-08t2 + 10t

58. ## maths

find the indefinite integral of the following f(t)=6cos(3t)+5e^-10t

59. ## Calculus

can someone break down how to take the integral of this problem? 20te^-10t dt

60. ## Applied Calculus

Find the derivative of this function: g(t)=(8t+10)^2*(10t^2-7)^-3 Using the Chain Rule.

61. ## Math

Find F'(x) Original equation: F(x)= definite integral of x+3 to 0 (10t+1) dt

62. ## Math

thank you for the help. another question. Jim opened a savings account with \$5. If his savings account doubles every month, how much will he have at the end of the 8 month. our answer was \$1280 1st 5x2=10 2nd 10x2=20 3rd 20x2=40 4th 40x2=80 5th 80x2=160

63. ## algebra

It is possible for a quadratic equation to have no real-number solutions. Solve. t^2+10t+26=0

64. ## Applied Calculus

Find the derivative of the function. g(t) = ((8t + 10)^2)*(((10t^2) - 7)^-3) I am supposed to use The Chain Rule. However, I am confused as to how to do this.

65. ## Science

Today's fossil fuels began forming 300 million years ago. What allowed the process to begin? A Mammals ate all of the plants B Rainfall eroded huge mountains C Dinosaurs roamed the land D Many huge plants grew, died, and decayed (Broken Link Removed) um a

66. ## writing project

Your aunt arrives with a huge box. You hear strange noises coming from the box. Write a story about what’s inside. what i wrote: every monday, my aunt would come and visit me.everytime my aunt visits me, she would always have something special for me.

67. ## Calculus

Find the unique solution to the differential equation y"?1y'?6y=?24(t^2)+10t+41 satisfying the initial conditions y(0)=?6 and y'(0)=?26

68. ## calc

Consider the function f(t)=2sec^2(t)–10t^3. Let F(t) be the antiderivative of f(t) with F(0)=0. Then F(2) my problem is i get 2tan(t)-5/2t^4+c i plug in 2 and don't get the right answer please help

69. ## Calculus

Find the particular solution that satisfies the differential equation and the initial conditions. f''(x) = x^2 f'(0) = 8, f(o)=4 f'(t) 10t - 12t^3, f(3) =2

70. ## Math

Multiply and simplify. 9y^6/10t^4*100t^8/81y. I crossed multiplied and got 900y^6t^8/810t^4y. I am not sure what to do next. Could someone help? Thanks.

71. ## Calculus

Find the particular solution that satisfies the differential equation and the initial conditions. F'(x) = 4x^2 f (-1)=3 F'(t)=10t-12t^3 f (3)=2

640=.4(L-8)2

73. ## Physics

the current in an rc circuit if the resistance is 20 ohms the capacitance is 0.002 farad the emr is 12e^-10t

74. ## math

how do you make four 8s into 640??

1,640,000

76. ## College Algebra

A projectile is thrown upward so that it's distance (in feet) above ground after t seconds is given by h(t)=-10t^2+440t. What is its maximum height?

77. ## math

make 4 6's equal 640

78. ## Math

640 acre is how big?

79. ## math

i am trying to figure this out make 4 8's equal 640 can you help me and thank you very much.

80. ## Algebra

1. 6e^-x=3 2. 32(1.5)^x=640 3.5000/(1.05)^x=250 4.50(3-e^2x)=125

81. ## math

HOW DO i SET THIS UP AS A PROPORTION? 2,640 FT=X MILES

82. ## algebra

in my workbook it says give the opposite of each expression and the problems are: -10t+21 -x+2z there are alot more but i thought if someone explained a couple of these to me maybe id understand the rest. idk just please help me!!!

83. ## algebra

44 -4 x (5 + 3 x 2) simplify the expression above. Which of the following is correct? A. -20 B. O C. 440 D. 640

84. ## algebra2

y varies directly as the square of x. When x = 2, y = 40. Find x when y = 640.

85. ## grammar

identify the adverb. we painted a huge mural of the continents yesterday. A)painted B)huge cv)yesterday D)continents i choose d my second choose is c.

86. ## Chemistry

How many joules of heat when a 640 g piece of copper cools from 375° C to 26° C

87. ## Math

Janet runs 2,640 feet in 5 min. How far will she have run in 15 minutes?

88. ## Math

Write the numeral in base ten. 130five A) 40 B) 60 C) 640 D) 650 I got A)40

89. ## Math

I need help solving these problems y=-0.4x^2+8.3x+4.3 I got 0.52 h=-16t^2+149t+30 I got 640.5 feet after 4.63 seconds 0=x^2+3x-10 I got x=5, -2 (2x-4)(2x-1)=0 I got -2, 1/2 x^2+8x=10 I got -1.1, 9.1 HELP PLEASE

90. ## science

the position of a particle moving along x-axis is given=5t^2-10t the distance travelled by particle is

91. ## Physics

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.?

92. ## Algebra

The following equation has three solutions. Look for the greatest common factor, then use the quadratic formula to find all solutions. 10t^5 + 5t^4 = 50t^3

93. ## Physicss

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.? Thank you

94. ## physics

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.? Thank you

95. ## algebra help

(t^3-3t^2+5t-6)divided by (t-2) t^2 t-2! t^3-3t^2+5t-6 t^3-2t^2 then t t-2 t^2 +5t -6 t^2 -10t then 15 t-2 15t -6 15t -30 then remainder 24 check my work

96. ## School Supplies Help!!!

Ok I have a huge binder for my core classes (ss, sci, math, and eng) and I need creative ways to organzie it. I also have a elevtive binder (art, facs, computer and skool's newspaper, speech,gym - just for papers) I also need creative ideas to organzie it.

97. ## math

A rocket takes off vertically at time t=0, and during the first 10 s of flight its acceleration in m/s^2 is given by a(t)=10t-t^2 find the height reached by the rocket after 10s.

98. ## Algebra

S. Q. -1 40 0 80 1 160 2 320 3 640 4 1280 Construct an equation to represent Q as a function of s. Q(s)=_____

99. ## Math

Jennifer earned \$249.60 in 6 1/2 years on a \$640 investment. What was the simple interest rate?

100. ## math

Show you solution. List the terms that complete a possible pattern in each of the following: a)38,33,28,23,18,_,_,_ b)640,320,160,80,_,_,_ c)7,8,15,23,38,_,_,_