All Questions

600

+93

Solve for r

Please solve for r in the equation for surface area of a cylinder.
A = 2*π*r^2 + 2*π*r*h

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RandomUser Sep 16, 2020

720

Find the smallest positive integer x which is greater than 1 and relatively prime to 120

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Guest Sep 16, 2020

481

+1124

Cos^2x

Hi my friends,

just a quick one please...

help me pllllzz improtant phys101

q1\
In simple pendulum what is the kind relation between gravity and both
Periodic oscillation time:
Length of the pendulum read more ..

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Guest Sep 16, 2020

331

'Решение систем уравнений методом алгебраического сложения'

помогите !!!!! пожалуйста

х * (- 6 + х) = - 8

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Guest Sep 16, 2020

598

+738

hard imaginary arithmetic

What is ?

I honestly just don't know how to do this because it just looks so confusing. Please help! All help is greatly appreciated! :D

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lokiisnotdead Sep 16, 2020

285

inequalities

ALGEBRA 2 See Question Below

Guest Sep 16, 2020

633

+205

Help please

1 a. David's airplane trip took 3.8 hours. For one-half of that time, the airplane flew at a speed
of 680 miles per hour, and for the rest of the time, it flew at a speed of 740 miles per hour.
What distance did David travel?

read more ..

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parpar1 Sep 16, 2020

535

Someone help I’m struggling

The figure shows two intersecting lines. What is the value of x?

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Guest Sep 16, 2020

597

+738

very hard algebra

2 solutions of are pure imaginary numbers. Find these 2 solutions.

I honestly have no idea how to start since this equation is so complex. Thank you in advance to anyone who helps! I really, really appreciate it! read more ..

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lokiisnotdead Sep 16, 2020

2714

please help!

Find the value of x.

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Guest Sep 16, 2020

611

Help!

If n is a positive integer, then let f(n) be the sum of the digits of \frac{1}{5^{{}^n}} that are to the right of the decimal point. What is the smallest positive integer n such that f(n) > 10?

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Guest Sep 16, 2020

1421

need help

An element with a mass of 700 grams decays by 6.1% per minute. To the nearesttenth of a minute, how long will it be until there are 220 grams of the element remaining?

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Guest Sep 16, 2020

509

Please help

I don’t understand this stuff

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Guest Sep 16, 2020

Sep 15, 2020

873

+14913

law of geometry

Is there a law of geometry that says:
If a chord intersects in a circle with the diameter of the circle, the product of the sections of the chord is equal to the product of the sections of the diameter.
Does this law have a name? Prove it! read more ..

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asinus Sep 15, 2020

339

alg problem

Solve for x: 40+5x>95-4x

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Guest Sep 15, 2020

483

+614

alg 2 functions help

1. find the domain and range of g(x)=3+sqrt x

2.Suppose that f(x)=ax+b, where a and b are real numbers. Given that f(f(f(x)))=8x+21, what is the value of a+b

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xxJenny1213xx Sep 15, 2020

328

got a geometry question

Please help me find a tangent of a circle

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Guest Sep 15, 2020

370

HELP!

Ben muhlendorf decides to run for mayor of the IS. It is a very coveted position, and it is a hotly contested election. He wins 90% of the eighth grade vote and 40% of the seventh grade vote. He only recieves 45% of the vote in all. What is the ratio of read more ..

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Guest Sep 15, 2020

350

algebra

The sum of three integers is 18. The third integer is four times the second. The second integeris 6 more than the first. Find the integers.

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Guest Sep 15, 2020

323

Mass?

Caculate the mass of an object that has a density of 93000 kg\cm^3, a deapth of 20 cm, a height of 15 cm and a width of 42 cm.

Guest Sep 15, 2020

437

I don't understand how to solve

What are angle RKS and angle PKS?

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Guest Sep 15, 2020

432

Find the indicated measures

Angle B = ?
x = ?
y = ?
read more ..

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Guest Sep 15, 2020

All Questions ⁺⁰230587 Questions

Solve for r

Find the smallest positive integer x which is greater than 1 and relatively prime to 120

Cos^2x

help me pllllzz improtant phys101

'Решение систем уравнений методом алгебраического сложения'

hard imaginary arithmetic

inequalities

Help please

Someone help I’m struggling

very hard algebra

please help!

Help!

need help

Please help

law of geometry

alg problem

alg 2 functions help

got a geometry question

HELP!

algebra

Mass?

I don't understand how to solve

Find the indicated measures

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