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535

Fair Decisions and Analyze Decisions

A hat contains four balls. The balls are numbered 3, 6, 6, and 7. One ball is randomly selected and not replaced, and then a second ball is selected. The numbers on the two balls are added together.
A fair decision is to be made about which of three read more ..

Guest May 5, 2020

2118

+32

The supplement of a 110 degree angle = [ ? ] degrees

chrissy ●●

daphix May 5, 2020

1307

thermodynamics

The temperature of the cold reservoir of an ideal heat engine is 35°C. Its efficiency is 34 percent. What
is the temperature of its reservoir? How much is the input energy if it does 3,250 J of work?

off-topic

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Guest May 5, 2020

648

Find all ordered pairs (x,y) of positive integers such that x^4 = y^2 + 71.

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Guest May 5, 2020

490

I need help ASAP!

Please, can anyone solve this?

Solve the inequality x^3 - 4x < 0.

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Guest May 5, 2020

651

help

The six-digit number is divisible by 5, 7, and 9. Find all possible values of this six-digit number.

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Guest May 5, 2020

914

+96

maths

1)
Starting with the number 100, Shaffiq repeatedly divides his number by two and then takes the greatest integer less than or equal to that number. How many times must he do this before he reaches the number 1?
2)
What is the following read more ..

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daddypig May 5, 2020

537

help with counting

Please help with this problem!

Find the number of triples of positive integers (a,b,c) that satisfy a*b*c = 40.

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Guest May 5, 2020

530

help

Hana writes the following sums:

1^3 = 1,
2^3 = 3 + 5, read more ..

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Guest May 5, 2020

1125

help please

What is the radius of the smallest circle that contains both of the circles x^2 + y^2 = 1 and (x - 1)^2 + (y - 2)^2 = 4?

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Guest May 5, 2020

709

+448

Calculas exponential growth rate question

bob has a mosquito problem in his backyard. he makes an initial count of 487 mosquitos on the first day, and 982 mosquitos on the second day. Assuming there is the same growth rate each subsequent day...
a) how many mosquitos will there be after read more ..

bioplant May 5, 2020

542

can anyone help?

There are five cards, two red and three black. You draw two cards, without replacement. What is the probability that both have the same color?

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Guest May 5, 2020

547

please help im stuck

Given the function f(x) = 2x 2– 3x + 7 with domain {– 2, – 1, 3, 4}, what is the largest integer in the range of f ?

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Guest May 5, 2020

526

I need help asap

Suppose are all linear functions, and and are defined byThis means that, for each , we define to be equal to either or whichever is greatest; similarly, is the read more ..

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Guest May 5, 2020

672

+448

Need help with one part of a question

A landlord has 100 units being rented at $750 per unit. He finds that when he increases the price by $25, he loses 4 tenants.

1)I found that the optimal rent is : $687.50
2) I found out the revenue is $ 111,718.75 read more ..

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bioplant May 5, 2020

746

+539

Math

Determine the number of 3 digit positive integers that are 19 times the sum of their digits.

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MooMooooMooM May 5, 2020

436

I need help please

Let

Find the domain and range of f. Give your answer as an interval.

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Guest May 5, 2020

530

please help

Inside a regular hexagon ABCDEF is drawn triangle ACE. What is the ratio of the area of triangle ACE to that of the hexagon?

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Guest May 5, 2020

397

modeling exponential growth of covid-19

according to the Center for disease control, on 4/1/2020 there were 213,144 reported cases of the COVID-19 virus in the United States. After five days (4/6/2020) there were 374,329 reported cases.

how many people in the US might read more ..

Guest May 5, 2020

1232

A table of values of a linear function is shown below. Find the output when the input is n?

1 2 3 4 n -11 -14 -17 -20 ?

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Guest May 5, 2020

652

+1246

Angle measures with trianges

Find x! Thank you!

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Lightning May 5, 2020

769

arithmetic and geometric

Find all ordered pairs (x; y) of positive real numbers such that 3; x; y is a geometric progression, while x; y; 9 is an arithmetic progression.

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Guest May 5, 2020

549

Dilations question

what is the scale factor using points R(3,9) to R'(1.2,3.6)?

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Guest May 5, 2020

838

+288

Induction Proof

Prove that is divisible by for all nonnegative integers

What I did (or tried to do) was to use induction. I proved it worked for the base case but I'm stuck on how to prove it works for if read more ..

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madyl May 5, 2020

376

help

https://web2.0calc.com/questions/help_42433

Guest May 5, 2020

All Questions ⁺⁰237680 Questions

Fair Decisions and Analyze Decisions

The supplement of a 110 degree angle = [ ? ] degrees

thermodynamics

Find all ordered pairs (x,y) of positive integers such that x^4 = y^2 + 71.

I need help ASAP!

help

maths

help with counting

help

help please

Calculas exponential growth rate question

can anyone help?

please help im stuck

I need help asap

Need help with one part of a question

Math

I need help please

please help

modeling exponential growth of covid-19

A table of values of a linear function is shown below. Find the output when the input is n?

Angle measures with trianges

arithmetic and geometric

Dilations question

Induction Proof

help

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