All Questions

915

+541

help

Suppose that and are digits in base such that . Find in base .

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xXxTenTacion Jun 18, 2019

Jun 17, 2019

1562

HELP!!!!

The sequence 6, -9, x , y is such that the first three terms form an arithmetic sequence and the last three terms form a geometric sequence. Find x and y.

Express answer as (x , y).

GYanggg ●

Guest Jun 17, 2019

978

+895

Need Help

On my last question, the first part was answered as an example but I can't figure out how to do the second problem for the life of me. Here's the link: https://web2.0calc.com/questions/rotate-the-axes

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AdamTaurus Jun 17, 2019

1312

HELP!

A geometric series has a sum of 180. Assuming that the common ratio of that series is 7/4, find the sum of the series

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Guest Jun 17, 2019

1138

+541

Help Me Please

A number is chosen uniformly at random from among the positive integers less than 10^8. Given that the sum of the digits of the number is 9, what is the probability that the number is prime?

hectictar ●

xXxTenTacion Jun 17, 2019

-1

758

Solve

7 sin2x - 14 sin x + 2 = -5

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Guest Jun 17, 2019

1730

+53

Word problem

The engine displacement of an automobile is the volume through which the piston moves from high to low position. If an engine has n cylinders, the displacement is D = pi • (bore/2)^2 • stroke • n, where the bore is read more ..

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cormier123 Jun 17, 2019

1932

Please Help!!!!!

1. Find the value of \[x = 1 + \cfrac{1}{2 + \cfrac{1}{2 + \cfrac{1}{2 + \cfrac{1}{2 + \ddots}}}}.\]

2. If $554_b$ is the base $b$ representation of the square of the number whose base $b$ representation is $24_b,$ then find $b$. read more ..

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Guest Jun 17, 2019

625

Help

The graph of the equation $y =ax^2 + bx + c$, where $a$, $b$, and $c$ are constants, is a parabola with axis of symmetry $x = -3.$ Find $\frac{b}{a}$.

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Guest Jun 17, 2019

676

How to find discriminant for 1x + 11x + 36 = 0?

What will be the discriminant for this equation 1x + 11x + 36 = 0?

Guest Jun 17, 2019

270

How to find discriminant for 1x + 11x + 36 = 0?

What will be the discriminant for this equation 1x + 11x + 36 = 0?

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Guest Jun 17, 2019

821

help

In right triangle ABC with , we have AB = 6 and BC = 10. Find .

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Guest Jun 17, 2019

-1

901

+209

Help pls...

The solutions to the equation

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NoobGuest Jun 17, 2019

-1

917

+209

Halp

How many real numbers are not in the domain of the function

Melody ●●

NoobGuest Jun 17, 2019

599

...

How the heck am i supposed to calculate the actual value of 386 factorial

off-topic

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Guest Jun 17, 2019

777

I am not good with word questions please help me

the water park is a popular field trip destination. falls high filled 2 vans and 9 buses with 383 students. rainy high filled 8 vans and 3 buses with 179 students. find the number of students in each and each bus

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Guest Jun 17, 2019

1635

+895

Rotate The Axes

Rotate the axes so that the new equation contains no xy-term. Analyze and graph the new equation.

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AdamTaurus Jun 17, 2019

1109

+209

Guest Posts

The subject of guest posts has been on my mind recently..... so I wanted to ask how many of you like guest posts? and how many of you dont?

off-topic

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NoobGuest Jun 17, 2019

903

trig and segment

thank you

hectictar ●

Guest Jun 17, 2019

Jun 16, 2019

-1

2943

+54

Math Help Please

1.) Find the first ten digits after the decimal point in the decimal expansion of $\frac{10}{27}=0.abcdefghij\ldots$
without a calculator.
(Express your answer as a ten-digit number.)

2.) The number $\frac{12}{13}$ can read more ..

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Jdaye Jun 16, 2019

968

+142

Help

Solve for all values of r

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KeyLimePi Jun 16, 2019

2916

Simplify \[i^1+i^2+i^3+\cdots+ i^{97} + i^{98}+i^{99}.\]

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Guest Jun 16, 2019

884

PLEASE HELP

Show that from any five integers, one can always choose three of these integers such that their sum is divisible by 3.

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Guest Jun 16, 2019

1373

Please help

Suppose a(2+i)^4 + b(2+i)^3 + c(2+i)^2 + b(2+i) + a = 0,where a,b,c are integers whose greatest common divisor is 1. Determine |c|.

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Guest Jun 16, 2019

928

help! How to,do efficiently?

123456789^2-2*123456789*123456787+123456787

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Guest Jun 16, 2019

All Questions ⁺⁰238211 Questions

help

HELP!!!!

Need Help

HELP!

Help Me Please

Solve

Word problem

Please Help!!!!!

Help

How to find discriminant for 1x + 11x + 36 = 0?

How to find discriminant for 1x + 11x + 36 = 0?

help

Help pls...

Halp

...

I am not good with word questions please help me

Rotate The Axes

Guest Posts

trig and segment

Math Help Please

Help

Simplify \[i^1+i^2+i^3+\cdots+ i^{97} + i^{98}+i^{99}.\]

PLEASE HELP

Please help

help! How to,do efficiently?

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