Newest prealgebra Questions | Wyzant Ask An Expert

06/21/23

Find the sum of the following convergent series: a)∑_(n=1)^∞ n/(n+1)! b) (∑_(n=1)^∞ 2/5^n)-(∑_(n=1)^∞ 3^n/5^n)

Can you help me with this problem step by step. Usually I dont have problems with these but now I don't understand nothing

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Prealgebra Math Algebra 1 Algebra 2

06/21/23

"Study the convergence of the series whose first terms are as follows: 1/2 + 7/9 + 13/28 + 19/65 + 25/126 + ...

Can you help me find the answer of this problem step by step so I can understand? Thank you!

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Prealgebra Math Algebra 1 Algebra 2

06/21/23

Here are the first five terms of a sequence: 3/5, 3/4, 12/11, 12/7, 48/17, ... a) Find the general term. b) Determine if this sequence converges or diverges. If it converge, state the number

can u help me with these questions by showing me the answer setp by step. I dont really understand.

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Prealgebra Math Algebra 1 Algebra 2

06/21/23

Expand the function f(x) = 1/x + 3 into a Taylor series around a = -2 and determine the interval of convergence."

Hi, I dont really understand this questioon can you give me the answer step by step so I can understand how to solve this problem

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Prealgebra

06/20/23

solve equation when x=1

y=3^2x=1

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Prealgebra

06/15/23

Hello need help please!

Write an equation of the line passing through the point (-3,2) and parallel to the line y=1/3x-5.thank you.

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Prealgebra

06/14/23

I’m having trouble with this problem. My cell phone company charges $49 per month plus $.10 per minute for long distance calls. Write an equation that represents the total cost C for x minutes of... more

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Prealgebra Math Finance

06/12/23

Kendra has $1200 in her savings account. She receives 1.75% annual simple interest. If she makes no further deposits or withdrawals, how much money will she have in the account after 2 years?

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Prealgebra

06/12/23

My Math Teacher is Awful. How would I find a and x if I don't know what the numbers are?

The question is a=5x and you need 80$. She said I specifically did not do this question. When NO ONE DID.

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Prealgebra

06/06/23

5 home decoration magazines and 7 fashion magazines are on a shelf. What is the probability of drawing out one fashion magizine without looking]

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Prealgebra Math

05/18/23

Carlos received a gift card of 100 for a pizza restaurant. The restaurant charges 15 per pizza. Amy received a gift card of 70 for a different pizza restaurant. The restaurant charges 10 per pizza.

Just make an expression for carlos one for amy, and make an equation out of both expressions

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Prealgebra Math Algebra 1 Algebra 2

05/12/23

The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes. (Simplify your answer. Round the final answer to three... more

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Answers •3

Prealgebra Math Algebra 1 Algebra 2

05/12/23

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places as needed.)

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places... more

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Answers •3

Prealgebra Math Algebra 1 Algebra 2

05/12/23

Find a unit vector in the direction of the given vector. v=<5,10> (Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

Find a unit vector in the direction of the given vector.v=<5,10>(Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

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Answers •2

Prealgebra Math Algebra 1 Algebra 2

05/12/23

Prove the identity. cos3x=4cos3x−3cosx

Prove the identity.cos3x=4cos3x−3cosx

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Prealgebra Math Algebra 1 Algebra 2

05/12/23

Find the vector projection of u onto v. Then write u as the sum of two orthogonal vectors, one of which is projvu. u=〈−2,3〉, v=〈5,6〉

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Prealgebra Math Algebra 1 Algebra 2

05/12/23

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints (0,±5), major axis length 14

Find an equation in standard form for the ellipse that satisfies the given conditions.Minor axis endpoints (0,±5), major axis length 14

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Prealgebra Math Algebra 1 Algebra 2

05/12/23

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix. x^2+2x−y+2=0

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix.x^2+2x−y+2=0

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Answers •1

Prealgebra Algebra 1

05/11/23

graph: y>-1/2x-4

m=b=

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Prealgebra Math Science Algebra 1

05/09/23

Box-and-whiskers, algebra

Construct a box-and-whisker plot of the following numbers:70, 55, 43, 66, 32, 35, 48, 68, 69, 39, 31, 52

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Prealgebra Math Science Algebra 1

05/09/23

Word problem, algebra

Blues vary inversely as purples cubed. When there are 250 blues, there are 2 purples. How many blues are present when there are 5 purples?

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Prealgebra Math Science Algebra 1

05/09/23

Distance, algebra

The distance a body falls varies directly as the square of the time that it falls. If it falls 972 meters in 18 seconds, how fa will it fall in 2 seconds?

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Prealgebra Math Science Algebra 1

05/09/23

Intrest, money, algebra

Gretchen deposited $7000 in an account that earns 2% interest compounded annually..(a) Write an equation that expresses the amount of money in the account as a function of n, where n equals the... more

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Answers •1

Prealgebra Science Algebra 1 Algebra 2

05/08/23

Word problem, algebra

Pressure varies inversely as volume. When the pressure is 16 pascals, the volume is 84 liters. What would the volume be if the pressure is reduced to 12 pascals?

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Prealgebra Math Science Algebra 1

05/05/23

Word problem, algebra

At noon, the hot air balloon headed north at 8 miles per hour. Three hours later, the glider headed south from the same location at 16 miles per hour. At what time will the hot air balloon be 168... more

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Find the sum of the following convergent series: a)∑_(n=1)^∞ n/(n+1)! b) (∑_(n=1)^∞ 2/5^n)-(∑_(n=1)^∞ 3^n/5^n)

"Study the convergence of the series whose first terms are as follows: 1/2 + 7/9 + 13/28 + 19/65 + 25/126 + ...

Here are the first five terms of a sequence: 3/5, 3/4, 12/11, 12/7, 48/17, ... a) Find the general term. b) Determine if this sequence converges or diverges. If it converge, state the number

Expand the function f(x) = 1/x + 3 into a Taylor series around a = -2 and determine the interval of convergence."

solve equation when x=1

Hello need help please!

Hello! Please help me!

Kendra has $1200 in her savings account. She receives 1.75% annual simple interest. If she makes no further deposits or withdrawals, how much money will she have in the account after 2 years?

My Math Teacher is Awful. How would I find a and x if I don't know what the numbers are?

5 home decoration magazines and 7 fashion magazines are on a shelf. What is the probability of drawing out one fashion magizine without looking]

Carlos received a gift card of 100 for a pizza restaurant. The restaurant charges 15 per pizza. Amy received a gift card of 70 for a different pizza restaurant. The restaurant charges 10 per pizza.

The​ location, given in polar​ coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> ​(Round to three decimal places as​ needed.)

Find a unit vector in the direction of the given vector. v=<5,10> ​(Type your answer in the form ai​ + bj. Simplify your answer. Type an exact​ answer, using radicals as​ needed.)

Prove the identity. cos3x=4cos3x−3cosx

Find the vector projection of u onto v. Then write u as the sum of two orthogonal​ vectors, one of which is projvu. u=〈−2​,3〉​, v=〈5​,6〉

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints ​(0,±5​), major axis length 14

Prove that the graph of the equation is a​ parabola, and find its​ vertex, focus, and directrix. x^2+2x−y+2=0

graph: y>-1/2x-4

Box-and-whiskers, algebra

Word problem, algebra

Distance, algebra

Intrest, money, algebra

Word problem, algebra

Word problem, algebra

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The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places as needed.)

Find a unit vector in the direction of the given vector. v=<5,10> (Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

Find the vector projection of u onto v. Then write u as the sum of two orthogonal vectors, one of which is projvu. u=〈−2,3〉, v=〈5,6〉

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints (0,±5), major axis length 14

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix. x^2+2x−y+2=0