All Questions ⁺⁰237748 Questions

0

1271

1

help

When Trilisa takes pictures, they turn out with probability 1/5. She wants to take enough pictures so that the probability of at least one turning out is at least 3/4. How few pictures can she take to accomplish this?

Guest Oct 22, 2019

+2

1189

2

Whats the average rate of change of change for

Whats the average rate of change of change for
f(x)=x^2+2x-1 as x goes from 1 to 2? Then how do i find the equation to the secant line of f(x)?

Guest Oct 22, 2019

+2

1100

5

+134

Make Sure You Check Peoples Posting History!!!

Make sure that a user is a person looking for genuine help on a problem, Not just ANSWERS. Please dont post the answer, Give them a way/example on how to solve said problem. Then have them try to work it out, If they then cant get it then you can then help read more ..

off-topic

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killersteve27 Oct 22, 2019

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682

1

HELP

Let be an integer. If the quadratic equation has one or more integer roots, then find the sum of all possible values of .

Guest Oct 22, 2019

+2

731

0

+134

Whats Peoples Opinion On This Post??

Read Form #2 first and then go to form #1 and go to Answer #17!!

Form #1 https://web2.0calc.com/questions/should-you-consider-anything-before-you-answer-a-question
read more ..

off-topic

killersteve27 Oct 22, 2019

0

621

1

apples and bananas probability

Cam can't figure out what to eat. He is going to randomly select a piece of fruit from his pantry. There are 444apples and 555 bananas in his pantry.

what is the decimal for this question?

Guest Oct 22, 2019

0

578

1

Help Would be appreciated.

Let be a positive integer, and define the integers and . When dividing by , the quotient is , and the remainder is . Find .

Guest Oct 22, 2019

0

1039

3

Suppose is a solution to . What is the sum of and its reciprocal?

Suppose is a solution to . What is the sum of and its reciprocal?

Guest Oct 22, 2019

0

466

0

Trig

I don't understand at all. I've tried figuring it out but I'm just so confused. I'm not good with trig and I just really need some help. Thanks in advance.

Guest Oct 22, 2019

0

853

1

Advanced Quadratics

The equation has only integer solutions for . If is a positive integer, what is the greatest possible value of ?

Guest Oct 22, 2019

0

1326

1

HELP

In the game Yahtzee, a player rolls five fair six-sided dice, and gets a Yahtzee if all five dice show the same number. After the initial roll, the player gets two chances to reroll some of the dice. What is the probability that, on the initial roll, at read more ..

Guest Oct 22, 2019

0

854

1

+4

can anyone solve:

can anyone solve:

3kg of plums and 2kg of apples cost £3.40, while 1kg of plums and 4kg of apples cost £2.80. Find the cost of 1kg of apples in pence.

nickashley Oct 22, 2019

0

621

1

Can someone show me how to get the differential from this expression?

Thanks to my CAS I have the result but I don't know how it got it.

Guest Oct 22, 2019

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708

3

System of equations

hello can you please check this system of equations to true or false k == (Sqrt[y^2 - 2 y^3 - y^4 + 2 y + 1] + Sqrt[2 - 2 y] - k)/((y + 1) Sqrt[1 - y^2]), Sqrt[2]/2/m == k/(k - Sqrt[2 - 2 y]), n == Sqrt[2 - 2 Sqrt[1 - m^2]], z == Sqrt[2 - 2 y]/f == Sqrt[(zn)^2 read more ..

Guest Oct 22, 2019

0

844

1

HLWP

In the sequence 121, 1221, 12221,...., the nth number consists of n copies of the digit 2, surrounded by two 1s. How many of the first 100 terms in the sequence are divisible by 3?

Guest Oct 22, 2019

0

614

1

Help

What is the minimum possible value for y in the equation y = x^2 + 12x + 5?

Guest Oct 22, 2019

0

15

5598

4

+38

Been stuck on this one help would be appreciated

A small radio transmitter broadcasts in a 27 mile radius. If you drive along a straight line from a city 35 miles north of the transmitter to a second city 31 miles east of the transmitter, during how much of the drive will you pick up a signal from the read more ..

evanborot Oct 22, 2019

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