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916

+217

Help!

There are 1200 trees in an apple orchard. The owner randomly examined 20 trees and found 3 of them are infested. What is the expected number of infested trees in the orchard?

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Rudram592 Jun 15, 2019

-2

905

+209

?????

What is the difference bewteen linear and not linear?

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NoobGuest Jun 15, 2019

857

22*arcsin 45

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Guest Jun 15, 2019

-2

911

+209

Hi can you pls help?

Among all fractions that have a positive integer numerator and denominator and satisfy

which fraction has the smallest denominator?
I know this is on the website already but it didn't help.

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NoobGuest Jun 15, 2019

884

What should I know before starting quadratics?

Hi, so i was wondering what shall I know /recommended to understand before trying to understand quadratics?
I already know Factorization, functions , trigonometry.

off-topic

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Guest Jun 15, 2019

788

Help

Simplify the expression \[\frac{6}{\sqrt{36} + \sqrt{27}} + \frac{6}{\sqrt{27} + \sqrt{18}} + \frac{6}{\sqrt{18} + \sqrt{9}}.\]

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Guest Jun 15, 2019

1133

Help

For how many positive integers $x$ is $x^2 + 6x + 9$ between 20 and 40?

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Guest Jun 15, 2019

1329

Help

If $x$ and $y$ are numbers such that $9^x-4^y=10$ and $3^x-2^y=2$, compute $3^x+2^y$.

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Guest Jun 15, 2019

932

Pls Answer Quickly with steps! Thanks!

Mack the bug starts at (0 , 0) at noon and each minute moves one unit right or one unit up. He is trying to get to the point (5 , 7). However, at (2 , 3) there is a spider that will eat him if he goes through that point. In how many ways read more ..

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Guest Jun 15, 2019

Jun 14, 2019

842

Help

Suppose ten distinct, positive integers have a median of 10. ("Distinct integers" means that no two integers are the same.)
What is the smallest the average of those ten integers could be?
Explain your answer in complete sentences.

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Guest Jun 14, 2019

896

+541

Number Theory Help

What is the smallest positive integer n such that n/2010 is a terminating decimal?

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xXxTenTacion Jun 14, 2019

12864

How to display latex properly

Rationalize the denominator of $\frac{\sqrt{5}+\sqrt{2}}{\sqrt{5}-\sqrt{2}}$. The answer can be written as $\frac{A+B\sqrt{C}}{D}$, where $A$, $B$, $C$, and $D$ are integers, $D$ is positive, and $C$ is not divisible by the square of any prime. If the greatest read more ..

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Guest Jun 14, 2019

1263

Help

If $(4x + 2y)^2 = 64$ and $xy = 2$, what is the value of $4x^2 + y^2$?

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Guest Jun 14, 2019

862

+1246

Help!

The polynomial is a factor of . Enter all possible values of b, separated by commas.

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Lightning Jun 14, 2019

2432

help! ):

Bill is sent to a donut shop to purchase exactly six donuts. If the shop has four kinds of donuts and Bill is to get at least one of each kind, how many combinations will satisfy Bill's order requirements?

I think the answer read more ..

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Guest Jun 14, 2019

643

help

How many values of with satisfy ?

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Guest Jun 14, 2019

-1

833

+170

Help

A sequence is defined as follows: and
for all Find

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FlyEaglesFly Jun 14, 2019

933

+448

I've noticed alot of people needed help with how to upload a picture even with our great stickytopics post so I thought I would put this

I've noticed alot of people needed help with how to upload a picture even with our great stickytopics post so I thought I would put this together. when I first came I was having trouble on how to do it because I didn't realize soemthign that was missing read more ..

off-topic

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HiylinLink Jun 14, 2019

509

Volume of Hole = 3.14 x (diameter of Hole/2)²xDepth

Annular Space Volume = volume of hole - volum of casing, where:

Volume of hole = 3.14 x (Diameter of Hole/2)² x Depth

and read more ..

Guest Jun 14, 2019

989

help

The minute hand of a 12-hour clock measures 10 cm from its tip to the center of the clock face, and the hour hand from its tip to the center of the clock face is 5 cm. What is the sum of the distances, in meters, traveled by the tips of both hands in one read more ..

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Guest Jun 14, 2019

-4

969

+24

Wassup Guys?

Hows your day going?I mean Night. Day. Ok whatever time zone your in...

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ProffesorNobody Jun 14, 2019

894

help

How many values of with satisfy ?

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Guest Jun 14, 2019

-4

942

+24

Help?

5
Σ i ^ (i+2)
i=3

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ProffesorNobody Jun 14, 2019

966

Given is the function f(x) = -3x + 2

Given is the function f(x) = -3x + 2
a. The graph of g starts from the graph of f by multiplying the x axis with the factor - 2/3 and shift it up 1/3. What is the function notation of g?
b. The graph of the function h(x) = -12x read more ..

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Guest Jun 14, 2019

All Questions ⁺⁰237687 Questions

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?????

22*arcsin 45

Hi can you pls help?

What should I know before starting quadratics?

Help

Help

Help

Pls Answer Quickly with steps! Thanks!

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Number Theory Help

How to display latex properly

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Help!

help! ):

help

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I've noticed alot of people needed help with how to upload a picture even with our great stickytopics post so I thought I would put this

Volume of Hole = 3.14 x (diameter of Hole/2)²xDepth

help

Wassup Guys?

help

Help?

Given is the function f(x) = -3x + 2

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