Ask a New Question
Search
Questions and answers by
Anna-Marie
Questions (18)
Whew. long question.
Barium carbonate is the source of barium compounds. It is produced in an aqueous precipitation reaction from
1 answer
2,389 views
I know this might sound easy... but i need these problems for bonus and i want to make sure they are right
Silver nitrate reacts
3 answers
2,938 views
1. The sides of a triangle have lenghts x, x+4, and 20. Specify those values of x for which the triangle is acute with the
4 answers
824 views
USE THE INFORMATION TO DECIDE IF TRIANGLE ABC IS ACUTE, RIGHT, OR OBTUSE
AC = 13 BC = sq rt. 34 CD = 3 I know the answer is
2 answers
889 views
1. The percentage of a composition is equal to ???.
2. A compound's molecular formaul is numerically equal to its ??? Help!!
2 answers
465 views
what is the approx. atomic weight for Boron? (to the nearest tenth)
2 answers
545 views
Write the formula for each Ionic compound.
*barium nitrate
1 answer
535 views
One triangle has vertices A, B, and C. Another has vertices T, R, and I. Are the two triangles similar? If so state the
1 answer
817 views
how do Al and Cl ionically bond with each other? I think its AlCl3 am i right?
1 answer
432 views
if you have two similar triangles and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the
1 answer
844 views
if you have two similar polygons and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the
3 answers
627 views
wow. i can't believe i forget this from last year.
5x^2 - 11x - 36 = 0 theres some kind of box trick or somethin to factor that
10 answers
716 views
Show that the given proportions are equivalent.
a+c / b+d = a-c / d-b and a / b = c / d
5 answers
1,477 views
Find the value of x.
x / x+5 = x-4 / x the book says the answer is 20, but im not getting that. I crossed multiplied and got
3 answers
463 views
Is excitedness a word? Any better words?
2 answers
858 views
In my sentence I typed, "I did not have a clue what to expect," and the computer said that it was not proper grammar. Should it
1 answer
623 views
When I joined cheerleading in the seventh grade, it was stressful because the majority of the girls were already extremely good
1 answer
484 views
My first cheerleading competition, along with all of the practices and events leading up to it, was a nerve racking, yet
1 answer
561 views
Answers (13)
set it up like this x-2=2x then x=-2
the answer is C 3x+4(-x-2)=-11 3x-4x-8=-11 -1x-8=-11 -1x=-3 x=3 y= -(3)-2 y=-5 any questions?
y=3
3x+4(x-2)=27 3x+4x-8=27 7x-8=27 7x=35 x=5
sorry i meant to type: the percentage composition of a compound is equal to __________. for # 2 the whole question is a.) A compound's molecular formula is numerically equal to its _______ b.) THis means that the molecular formula can be determined given a
take water for example... when its cold.. water freezes (solid).. then warmer it melts(liquid).. then at 100 degrees c it boils (steam/gas)
it the smaller side.. bt i don't know how to do the sq root
ooh.. damon how did you get the (5x+9)(x-4) = 0 that's what i need to know
umm... i don't remember how to do any of it. like to factor and get the ( ) ( ) can you tell me how to do that
yeah i get it.. thanks some times i have brain farts and once i see it written out im like.. oh i should have known that. thanks again!!
whoops did it again lol.. no its a-c / b-d ...but i still don't know how to do it
oooooh! i was wondering what i did. thank you =]
those are proportions by the way
