All Questions

919

+34

help...

suppose that 1 out of 10 plasma televisions shipped with a defective speaker.
out of a shipment of n=400 plasma televisions. find the probability that there are
a) at most 40 with defective speakers (Hint: Use the dishonest- coin principle with read more ..

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RandiLaine98 Apr 22, 2019

926

+153

Help

deleted

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SoulSlayer615 Apr 22, 2019

615

im not sure

A gardener has a circular garden, which he divides into four quadrants. He has four different kinds of flowers, and he wants to assign a flower to each quadrant, so that adjacent quadrants are not planted with the same kind of flower. (Also, read more ..

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Guest Apr 22, 2019

631

im confused

A car has one driver's seat and four different passenger seats. A group of five students wants to use the car to go to school, but only two of those five students are legally allowed to drive the car. What is the number of ways that the five students can read more ..

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Guest Apr 22, 2019

410

im stuck

The equation z^3 = -2 - 2i has 3 solutions. What is the unique solution in the fourth quadrant? Enter your answer in rectangular form.

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Guest Apr 22, 2019

3297

How many five-digit palindromes are there?

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Guest Apr 22, 2019

Apr 21, 2019

1382

Students need help

1. A class has four girls and five boys. How many ways can everyone be arranged in a row, so that all four girls are next to each other?

read more ..

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Guest Apr 21, 2019

369

help please?

Will someone please answer

https://web2.0calc.com/questions/help-me-pls_20?

Guest Apr 21, 2019

857

+845

polynomial values

ok so i did all of them apart from C

a: a+b = -3 ab+ 3.5 read more ..

YEEEEEET Apr 21, 2019

841

+845

error posted twice

please explain thank you

YEEEEEET Apr 21, 2019

862

+845

trig

please explain thank you

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YEEEEEET Apr 21, 2019

751

How did they get 115% and the $140,000

A lender offers an investor a maximum 70% LTV loan on the appraised value of a property. If the investor pays $230,000 for the property, and this is 15% more than the appraised value, how much will the investor have to pay as a down payment? First, the read more ..

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Guest Apr 21, 2019

676

i am stuck on a present value question.

"today, brianna has 7424.83 in her bank account. for the last two years, her account has paid 6% compounded monthly. before then, her account paid 6% compounded semi annually, for four years. if she made only one deposit six years ago, determine the original read more ..

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Guest Apr 21, 2019

416

I need help

Find y if

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Guest Apr 21, 2019

402

I need help with this please.

This question is in my practice online test, I don’t know how to do it. Please can someone help with it.

Guest Apr 21, 2019

1149

+20

Hi!

Here's a problem I have been trying to figure out. I can't seem to find out what the answer is though...

I have a picture with dimensions and (in inches), such that and are both integers greater read more ..

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cantthinkofausername Apr 21, 2019

664

Help

The solutions to 4x^2 + 3 = 3x - 9 can be written in the form x = a bi, where a and b are real numbers. What is a + b^2? Express your answer as a fraction.

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Guest Apr 21, 2019

506

Please help

Find the sum of all numbers x satisfying x+25/x = 10.

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Guest Apr 21, 2019

673

+34

Tutor help!!!

I was wondering if anyone on here would help me study for my final exam. I really want to do well.
I'm in Numbers and Society. I have the notes that I can send to someone.

off-topic

RandiLaine98 Apr 21, 2019

964

+34

Modeling Approximately Normal Distributions Question

2500 students take a college entrance exam. The scores on the exam have an approximately normal distribution (use the 68-95-99 rule) with a mean of 52 points and stand deviation of 11 points.

Estimate the percentage of read more ..

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RandiLaine98 Apr 21, 2019

662

help please

A cellphone company plans to market a new smartphone. They have already sold 510 units during the first week of the campaign. They plan to increase sales by 12% each week. For example, they plan to sell about 571 units during week 2. They want to continue read more ..

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Guest Apr 21, 2019

1559

help

Problem:
A rhombus with area 840 has a diagonal of length 40 . What is its side length?

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Guest Apr 21, 2019

403

help

The polynomial has the property that the mean of its zeros, the product of its zeros, and the sum of the coefficients are all equal. The -intercept of the graph of is 8. What is ?

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Guest Apr 21, 2019

All Questions ⁺⁰231266 Questions

help...

Help

im not sure

im confused

im stuck

How many five-digit palindromes are there?

Students need help

help please?

polynomial values

error posted twice

trig

How did they get 115% and the $140,000

i am stuck on a present value question.

I need help

I need help with this please.

Hi!

Help

Please help

Tutor help!!!

Modeling Approximately Normal Distributions Question

help please

help

help

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