All Questions

+20

I am trying to intellectually challenge myself with a problem but i do not have an answer for this one please help me out.

er1004 3 hours ago

+20

Trouble with this math problem, it is very urgent

Can I please have help with this question: Find the units digit of the following within the indicated number base: $(14_8)^2$

er1004 3 hours ago

+20

I am also having difficult with this question , I apologize

Find the units digit of the following within the indicated number base: $(14_8)^2$
I would also like to clarify that I do not need an explanation.

er1004 4 hours ago

+20

I am having trouble with this question it would be great if I could get some help

What integer $n$ satisfies $0\le n<18$ and $$n\equiv -11213141\pmod{18}~?$$

er1004 4 hours ago

help

2(7b−6)−5(2b−3)

off-topic

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Guest 4 hours ago

+59

Solve

Solve each equation on the interval .

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MemeLord 10 hours ago

help appreciated

The equation z^5 = i has 5 solutions.
The unique solution in the third quadrant is re^(i theta), where r > 0 and 0 =< theta < 2pi. What is the ordered pair (r, theta).

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Guest 10 hours ago

Trig Question

I am given f(x) = sin^-1(3x) for -1/3 x 1/3.
I am supposed to find the inverse of the function above and state the domain and range of f^-1, but I do not know where to start..

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Guest 11 hours ago

+26

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 ..

RandiLaine98 11 hours ago

+94

Help

The 5 a.m. temperatures for seven consecutive days were -7, -4, -4, -5, 1, 3 and 2 Celsius. What is the mean 5 a.m. temperature for the week in degrees Celsius?

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SoulSlayer615 Apr 22, 2019 12:50 AM

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 ..

Guest Apr 22, 2019 12:39 AM

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 12:29 AM

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.

Guest Apr 22, 2019 12:18 AM

How many five-digit palindromes are there?

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Guest Apr 22, 2019 12:04 AM

Apr 21, 2019

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 11:37 PM

help please?

Will someone please answer

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

Guest Apr 21, 2019 11:13 PM

+829

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 10:59 PM

+829

error posted twice

please explain thank you

YEEEEEET Apr 21, 2019 10:52 PM

+829

trig

please explain thank you

YEEEEEET Apr 21, 2019 10:52 PM

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 10:51 PM

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 10:30 PM

I need help

Find y if

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Guest Apr 21, 2019 10:08 PM

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 8:26:36 PM

+11

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 8:13:10 PM

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 7:08:22 PM

Please help

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

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Guest Apr 21, 2019 5:51:20 PM

+26

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 5:40:07 PM

+26

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 5:23:06 PM

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 5:19:19 PM

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 5:01:04 PM

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 ?

Guest Apr 21, 2019 4:27:03 PM

help me pls

1.) If $\frac{3x^2-4x+1}{x-1}=m$, and $x$ can be any real number except $1$, what real values can $m$ NOT have?

1.) If , and can be any real number except , what real values can NOT have?
read more ..

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Guest Apr 21, 2019 3:09:51 PM

help me pls

When you simplify , what is the sum of the exponents of the variables that are outside the radical?

When you simplify $\sqrt[3]{24a^4b^6c^{11}}$, what is the sum of the exponents of the variables that are outside the radical? read more ..

Guest Apr 21, 2019 1:57:45 PM

homework due tomorrow please help

1. The space diagonal of a rectangular prism with integer unit dimensions is 13 units. What is the volume of the rectangular prism in cubic units?
2. Elliott Farms has a silo for storage. The silo is a right circular cylinder topped by a right read more ..

Omi67 ●●●●

Oofrence Apr 21, 2019

Compound interest question...

Hello! Can someone please walk me through this question? Thank you!

"On the day Rachel was born, her grandparents deposited $500 into a savings account that earns 4.8%/a compounded monthly. They deposited the same amount on her 5th, read more ..

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Guest Apr 21, 2019

homework that i need done ASAP

1. The radius of a cylinder is 5/6 its height. What is the total surface area if the volume of this cylinder is 150pi?
2. A prism and a cone have the same base area and the same height. The volume of the prism is 1. What is the volume of the read more ..

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Oofrence Apr 21, 2019

help

Evualuate For a = 1 1/2

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Guest Apr 21, 2019

help

]] . Solve for x+1/x

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Guest Apr 21, 2019

A chocolate bar without the wrapping weighs 160g. This is the net weight

A chocolate bar without the wrapping weighs 160g. This is the net weight
a. Mini chocolate bars are being sold of which all the proportions are half of the normal chocolate bar. They are made of the same chocolate. What is the net weight of these read more ..

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Guest Apr 21, 2019

help

solve for x

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Guest Apr 21, 2019

help

Suppose and . What is the value of ? Express your answer as a common fraction.

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Guest Apr 21, 2019

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