All Questions

387

Math

9 times as many children signed up for the math class than for the programming class. In order to have 45 children in each class, some children were asked to move from math to programming. How many children were asked to move?

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Guest Apr 28, 2021

524

+12

help

Find any 100 digit number with non-zero digits divisible by the sum of its digits.

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ricee Apr 28, 2021

444

+13

Helppp

Integrate by substitution

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Bagolang Apr 28, 2021

332

Write an expression that is equivalent to 8 using each of the following numbers and symbols once in the expression 7 7 7 2(exponent)+( ).

Guest Apr 28, 2021

223

Plz help me

Two stretches of road were of the same length. There were 25 street lamps at equal distances on Road A. The distance between the 7th street lamp and the 11th street lamp was 80 m. Road B had 6 more street lamps than Road A. Find the distance between read more ..

Guest Apr 28, 2021

413

Fractions

Paul and Harry each had a collection of fossils. Harry had 2/5 as many fossils as Paul. When Paul lost 20 fossils, Harry then had twice as many as Paul. How many fossils were in Paul's collection at first?

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Guest Apr 28, 2021

223

Math question

Find the effective annual interest rate r of the given annual interest rate. Round your answer to the nearest 0.01%. 9% compounded quarterly

Guest Apr 28, 2021

Apr 27, 2021

382

log problem

Find x such that log_x 4 = log_3 27.

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Guest Apr 27, 2021

373

Algebra

For how many real values of x is sqrt(63 - 3*sqrt(x)) an integer?

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Guest Apr 27, 2021

301

need help please

If (x,y) satisfies the simultaneous equations

3xy - 4x^2 - 36y + 48x = 0 and x^2 - 2y^2 = 16,
where x and y may be complex numbers, determine all possible values of y^2. Please list all of them! Thanks,

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Guest Apr 27, 2021

367

Help me find CL and BL

I thought to use Pythagorean Theorem to find CB but I also need to find CL and BL....

CB= 12.6... maybe....
read more ..

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Guest Apr 27, 2021

368

Hello, just need help on one more problem.

If (x,y) satisfies the simultaneous equations

3xy - 4x^2 - 36y + 48x = 0 and
x^2 - 2y^2 = 16,

where and may be complex numbers, determine all possible values of y^2. Thanks! read more ..

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Guest Apr 27, 2021

452

gEOmeTRy help :)

I thought to use Pythagorean Theorem to find CB but I also need to find CL and BL....

CB= 12.6... maybe....
read more ..

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Guest Apr 27, 2021

252

anyone know how to do this?

The highest peak of Mount Mitchell is 6,684 feet. If the radius of the Earth is 4000 miles, find the distance from this peak to a point on the horizon. Draw a diagram and round to the nearest mile. (1 mile = 5280 ft.)

Guest Apr 27, 2021

336

help!

https://web2.0calc.com/questions/help_63853

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Guest Apr 27, 2021

343

help please

https://web2.0calc.com/questions/what-is-xy-help-please-lt-3

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Guest Apr 27, 2021

282

Polynomial

Find h(x), with terms in order of decreasing degree, if 9x^3 - 3x + 1 + h(x) = 3x^4 + 3x^3 - 5x + 3.

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Guest Apr 27, 2021

321

+13

Parabola

Trace the parabola:
1.1)
1.2)
1.3) read more ..

Bagolang Apr 27, 2021

316

Hello, I saw that someone has posted this question before, but the answer is no longer available.

If z is a complex number satisfying z+(1/z)=1 calculate z^10+ (1/ z^10). Thanks in advance!

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Guest Apr 27, 2021

256

help please?

What real value of t produces the smallest value of the quadratic t^2 -9t - 36

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Guest Apr 27, 2021

214

Polynomials

Let f, g, and h be polynomials such that h(x) = f(x) + g(x). If the constant term of f(x) is -4 and the constant term of h(x) is 3, what is g(0)?

Guest Apr 27, 2021

308

help

A peep increased by 25% is a pop. A pop decreased by 40% is a slug, and a slug increased by 100% is a slap. What percent of a peep is a slap?

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Guest Apr 27, 2021

399

CPhill please Help! Or anyone else!

A number that ha exactly 1 factor is called _____

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Guest Apr 27, 2021

443

Chill, please help! Or anyone else!

A number that ha exactly 1 factor is called _____

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Guest Apr 27, 2021

273

Help Me?

A supplier sells 2 1 — 4 pounds of mulch for every 1 1 — 3 pounds of gravel. The supplier sells 172 pounds of mulch and gravel combined. How many pounds of each item does the supplier sell?

Guest Apr 27, 2021

All Questions ⁺⁰230469 Questions

Math

help

Helppp

Write an expression that is equivalent to 8 using each of the following numbers and symbols once in the expression 7 7 7 2(exponent)+( ).

Plz help me

Fractions

Math question

log problem

Algebra

need help please

Help me find CL and BL

Hello, just need help on one more problem.

gEOmeTRy help :)

anyone know how to do this?

help!

help please

Polynomial

Parabola

Hello, I saw that someone has posted this question before, but the answer is no longer available.

help please?

Polynomials

help

CPhill please Help! Or anyone else!

Chill, please help! Or anyone else!

Help Me?

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