Questions Answered

selenamalter:
Group Title
How many milliliters of a stock solution of 5.00 M KNO3 would you need to prepare 250 mL of 0.250 M KNO3?
…
 updated one year ago
 12 replies
 No Medals Yet

edin:
Group Title
find de
 updated one year ago
 5 replies
 5 Medals

edin:
Group Title
find measure of angle CBR
 updated one year ago
 10 replies
 No Medals Yet

helpersrus:
Group Title
Two cards are drawn from a sack containing 7 red cards and 5 black cards. What is the probability that both are black?
 updated one year ago
 27 replies
 3 Medals

miemie:
Group Title
The vertex of ∠ABC is
 updated one year ago
 6 replies
 1 Medal

edin:
Group Title
if a=3 sqrt 3 in the right triangle below, what is the value of b?
 updated one year ago
 45 replies
 1 Medal

billie4120:
Group Title
use information to evaluate and compare
 updated one year ago
 2 replies
 No Medals Yet

JerryP:
Group Title
Do you believe that structures can be dimensionless? That is an object that can not be referenced in any way; as contrasted to a point, tho…
 updated one year ago
 5 replies
 1 Medal

ChubbyBunny~:
Group Title
Describe The Disaster At Chernobyl..
 updated one year ago
 3 replies
 No Medals Yet

aye4angela:
Group Title
5x + y = 2
3x + 6y = 12
 updated one year ago
 27 replies
 2 Medals

pepperann39:
Group Title
6p/8 +25 = 11
 updated one year ago
 20 replies
 No Medals Yet

WebsWeWeave:
Group Title
The sum of two numbers is 24. The second number is 6 less than the first. Find the numbers. Write a system of equations and solve.
a.
…
 updated one year ago
 17 replies
 2 Medals

aly12:
Group Title
help please!
…
 updated one year ago
 14 replies
 1 Medal

danglade:
Group Title
Solve for x.
X 4 1…
 updated one year ago
 25 replies
 1 Medal

nicolebears:
Group Title
what is Chromatography?
 updated one year ago
 7 replies
 No Medals Yet

stephy_00:
Group Title
x^26x+5
 updated one year ago
 6 replies
 No Medals Yet

hba:
Group Title
Dance Lessons For Mathematics.
 updated one year ago
 29 replies
 19 Medals

Rai_Hikari:
Group Title
Using only what you know about the convergent power series expansions of the sine and cosine functions prove the following identity:
Cos^2(…
 updated one year ago
 7 replies
 1 Medal

VVEFF:
Group Title
the liquid which turns into solid on heating/>?
 updated one year ago
 5 replies
 4 Medals

SephI:
Group Title
Show Steps:
y – 31 = 5/24(x – 15)
…
 updated one year ago
 24 replies
 No Medals Yet

machud:
Group Title
What is the solution of the equation? 36x2 = 100
 updated one year ago
 7 replies
 No Medals Yet

bridgypooh1234:
Group Title
what is the value of f(x)=9^x when x=2?
 updated one year ago
 3 replies
 No Medals Yet

ashlynfc:
Group Title
2/3x+7/2(x+3)=9/5x can anyone find the value of x?
 updated one year ago
 2 replies
 No Medals Yet

hunterhoff:
Group Title
Solve for x: 3x − 5 = 2x + 6
My answer is 11
Am I right?
 updated one year ago
 3 replies
 2 Medals

BrennaM:
Group Title
Which describes Justinian's Code?
a military password
a trading partnership
…
 updated one year ago
 8 replies
 4 Medals

Turner:
Group Title
En español, "to hang up" el auricular es ________________.
and
…
 updated one year ago
 4 replies
 No Medals Yet

sniper70:
Group Title
hello;
Consider the linear polynomial u:Rn[X]>Rn[X] associated with its second derivative. We immediately obtain:
Ker(u)=R1[X]
…
 updated one year ago
 6 replies
 1 Medal