Member: GenericUsernameHere

32 Questions
140 Answers

878

+709

Help with matrices?

I have some geometry homework and I need help.
How do you multiply a regular number by a matrix?
For example: 5[3/-1]
Please explain matrices in general as I have no idea on the subject. read more ..

CPhill ●●●

GenericUsernameHere May 12, 2016

929

+709

Can someone answer my last question. I really need to know this stuff for my trig test. How to remember the law of cosines? c squared equals b squared + a

Can someone answer my last question. I really need to know this stuff for my trig test. How to remember the law of cosines? c squared equals b squared + a squared or something.

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GenericUsernameHere Mar 8, 2016

1385

+709

Mnemonic Devices for the law of cosines?

I need to remember the formula for the law of cosines, , but I dont have any devices to help me out. Please reply. I have an important test tomorrow and we won't be allowed to use notes.

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GenericUsernameHere Mar 8, 2016

886

+709

Plz gibe da halp (Vectors and Advanced Geometry)

I know that a vector is an arrow/ray kinda thing that you make using a triangle and I got this question that asks me to put two on the same grid: (4, -1) and 3(4, -1) Can you also teach me the basics of vectors? I'm new to this and it makes my brain read more ..

CPhill ●●

GenericUsernameHere Mar 2, 2016

879

+709

How to find angles using grade?

I am now working on trigonometry dealing with grade. If I am given that the grade of a road is 7%, what angle does the road make with the horizontal? How to solve other problems like this? Thanks

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GenericUsernameHere Feb 28, 2016

837

+709

I can't think of a title...

In a right triangle, x is the most acute angle. The opposite side of x is n and the hypotenuse is 3n. What is the measure of angle x? Please help. I'm stuck and this work is due tomorrow after lunch.

GenericUsernameHere ●●

GenericUsernameHere Feb 21, 2016

+10

922

+709

Why is everyone on here so young?

I don't mean to be offensive, but I often log in feeling like most guests are either annoying, clueless, lazy, or immature. Some of the questions on here are so dumb that I don't understand why these posters don't use the darn calculator that the site is read more ..

ShaneSebree ●

GenericUsernameHere Feb 21, 2016

1739

+709

Can these sides form a triangle?

Ok so I'm stuck on these 4 geometry problems. I can't ask my teacher for help and the internet has been useless so far.
Tell if these measures can be the side lengths of a triangle. If so, is the triangle acute, right, or obtuse. Explain read more ..

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GenericUsernameHere Feb 14, 2016

882

+709

another one

In a 30-60-90 triangle, the length of the longer leg is 6. What are the lengths of the hypotenuse and the shorter leg?

GenericUsernameHere ●

GenericUsernameHere Feb 9, 2016

2070

+709

Advanced Use Of The Pythagorean Theorem? (square roots)

If the Hypotenuse of a 45-45-90 triangle is , what are the lengths of the other 2 sides? Please explain.

CPhill ●●●●

GenericUsernameHere Feb 8, 2016

979

+709

Geometry? (again)

The ratio of a pair of sides of a rectangle is 7 : 12. If the perimeter of the rectangle is 95, what is the length of each side?

GenericUsernameHere ●●●●●●

GenericUsernameHere Jan 30, 2016

#470

+709

+11

I don't think he's going to be offended.... Besides, my grammer and spelling are both better than my math skills!

GenericUsernameHereFeb 10, 2015

#467

+709

Don't tell Zegroes, but his Math is much better than his grammer.

GenericUsernameHereFeb 10, 2015

+709

I just realized that the same method can apply to different questions!

GenericUsernameHereFeb 10, 2015

+709

Thx sooooo much.

GenericUsernameHereFeb 10, 2015

#464

+709

I've been here for a little bit, just waiting for someone to say something.

GenericUsernameHereFeb 10, 2015

+709

You Stoopid.

GenericUsernameHereFeb 10, 2015

+709

I have now found out that this was actually an answer... I'm so dumb...

GenericUsernameHereFeb 9, 2015

+709

+10

Go to https://www.desmos.com/calculator. Enter your equation and BOOM.

GenericUsernameHereFeb 6, 2015

+709

Their nose hair is...

GenericUsernameHereFeb 5, 2015

+709

19 (^U^)

GenericUsernameHereFeb 5, 2015

Username	GenericUsernameHere
Score	709
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Questions	31
Answers	133