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969

what is sqrt(28)/14 simplified?

Guest Jan 27, 2019

976

Yeet

12% of the mammals at the aquarium are otters. 40% of the otters are male. What percent of the mammals at the aquarium are female otters?

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Guest Jan 27, 2019

1021

+308

help

To get from her home to a friend's house, Georgia must go past a school, then a post office:

Signs tell Georgia that the distance she walks from home to the school is mile, read more ..

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notsmart2.0 Jan 27, 2019

1015

help

Simplify

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Guest Jan 27, 2019

1186

+308

My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour. For how many minutes wi

My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour. For how many minutes will my friend have been walking when I catch up to her? Please help!

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notsmart2.0 Jan 27, 2019

-1

946

+308

Who is online?

nhfjgjnghbn

off-topic

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notsmart2.0 Jan 27, 2019

1568

+308

HELPPP

The exchange rate of U. S. dollars ($) to Icelandic krnur (ISK) is .
On a trip to Reykjavk, Geri orders a meal for . What is the equivalent price in U. S. dollars and cents?
Enter your answer in the form , where and are read more ..

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notsmart2.0 Jan 27, 2019

946

Please help

What is the volume of Pyramid?

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Guest Jan 27, 2019

1449

help

What is the largest number you can form from the numbers 2,5,8,9,10 and the operations , and exactly one pair of parentheses? For example, you can form , , etc.

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Guest Jan 27, 2019

639

i bet that nobody will answer these 2 questions

1. ABCDEF is a regular hexagon with area 1. The intersection of triangle ACE and triangle BDF is a smaller hexagon. What is the area of the smaller hexagon?

2.
A, B , C, D and E are points read more ..

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Guest Jan 27, 2019

578

Please Help!

Given that xy=3/2 and x both and y are nonnegative real numbers, find the minimum value of 10x+(3y/5).

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Guest Jan 27, 2019

Jan 26, 2019

1288

+845

trig cosine rule

i tried using the cosine rule for the angle for this one
cos120 = (x-1)^2+(x+1)^2-(2x-1)^2 / 2(x-1)(x+1)
then i managed to simplify it down to cos120 = -2x^2 +4x+1/ 2 read more ..

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YEEEEEET Jan 26, 2019

+34

13566

+118724

If a question is ticked that does not mean you cannot continue it.

If a question is ticked that does not mean you cannot continue it.
NOR does it mean that any mathematician has checked the answer.
Even if it has lots of hearts or it looks very impressive, it still could be incorrect!
read more ..

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Melody Jan 26, 2019

960

+532

help meeeee

The quadratic polynomial f(x) has a zero at x = 2. The polynomial f(f(x) has only one real zero, at x = 5. Compute f(0).

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asdf335 Jan 26, 2019

1409

+49

deleted

deleted, deleted

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jess.shen2024 Jan 26, 2019

1042

+59

Thursday, Friday, Saturday, Sunday

On a Sunday I put two rabbits in a cage. If the number of rabbits in the cage doubles every day, on what day did the cage first have more than 100 rabbits in it?

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CDorrell Jan 26, 2019

904

This one got me

Help

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Guest Jan 26, 2019

2474

+23

Quadratics

The quadratic equation $2x^2 + bx + 18 = 0$ has a double root. Find all possible values of $b.$

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Saialuru Jan 26, 2019

1217

+23

Quadratics

Find all real numbers $z$ for which the equation $(z-5)x^2-zx+5=0$ only has one real solution. If you find more than one, then list the values separated by commas.

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Saialuru Jan 26, 2019

719

+23

Homework

For what values of $j$ does the equation $(2x+7)(x-5) = -43 + jx have exactly one real solution? If you find more than one, then list the values separated by commas.

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Saialuru Jan 26, 2019

1668

+308

HELP

A basement has a 24-foot by 32-foot rectangular floor. The basement is flooded with water to a depth of 18 inches. Three pumps are used to pump the water out of the basement. Each pump will pump 8 gallons of water per minute. If a cubic foot of water contains read more ..

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notsmart2.0 Jan 26, 2019

815

+279

There is LaTeX so some of it may appear missing when reading it on the forum but it's there when you click on it.

There is LaTeX so some of it may appear missing when reading it on the forum but it's there when you click on it.
Let be a convex quadrilateral, and let and be the midpoints of sides and , respectively. Prove that . When read more ..

yasbib555 Jan 26, 2019

948

+234

Which statements are true about the population of wild flowers?

The number of wild flowers growing each year in a meadow is modeled by the function f(x).

skye25 Jan 26, 2019

1052

+234

Which quadratic function best fits this data?

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skye25 Jan 26, 2019

All Questions ⁺⁰237665 Questions

what is sqrt(28)/14 simplified?

Yeet

help

help

My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour. For how many minutes wi

Who is online?

HELPPP

Please help

help

i bet that nobody will answer these 2 questions

Please Help!

trig cosine rule

If a question is ticked that does not mean you cannot continue it.

help meeeee

deleted

Thursday, Friday, Saturday, Sunday

This one got me

Quadratics

Quadratics

Homework

HELP

There is LaTeX so some of it may appear missing when reading it on the forum but it's there when you click on it.

Which statements are true about the population of wild flowers?

Which quadratic function best fits this data?

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