Questions Answered

greeneyes<3:
Group Title
Please help me understand this trig!
2sin^2(x) + 3sin(x) + 1 = 0
For some reason my teacher decided not to teach this lesson and I am comp…
 updated 8 months ago
 12 replies
 2 Medals

greeneyes<3:
Group Title
Use the activity series of metals to write a balanced chemical equation for each singlereplacement reaction.
a) Au(s) + KNO3(aq)>
b)…
 updated 11 months ago
 12 replies
 1 Medal

greeneyes<3:
Group Title
Verify the identity.
 updated 11 months ago
 4 replies
 1 Medal

greeneyes<3:
Group Title
Use trigonometric identities to transform the left side of the equation into the right side.
…
 updated 11 months ago
 7 replies
 2 Medals

greeneyes<3:
Group Title
Solve the equation (if possible) and check your solution.
((4x3)/6)+(x/4)=(x2)
 updated one year ago
 4 replies
 1 Medal

greeneyes<3:
Group Title
Write an algebraic expression for the verbal description.
Check my answers?! Thanks!
1. The product of two consecutive natural numbers. (…
 updated one year ago
 5 replies
 2 Medals

greeneyes<3:
Group Title
This is going to sound like a stupid elementary question but x+2 is the same as 2x, right? xD
 updated one year ago
 3 replies
 1 Medal

greeneyes<3:
Group Title
add and simplify:
((1)/x)+((2/(x^2+1))+((1/(x^3+x))
 updated one year ago
 2 replies
 No Medals Yet

greeneyes<3:
Group Title
Divide and simplify:
((4y16)/(5y+15)) divided by ((4y)/(2y+6))
 updated one year ago
 24 replies
 1 Medal

greeneyes<3:
Group Title
Find the domain of the expression:
1. 6x^29, x>0
2. (x^2x12)/(x^28+16)
…
 updated one year ago
 18 replies
 2 Medals

greeneyes<3:
Group Title
simplify (5x^2z^6)^3 times (5x^2z^6)^3
 updated one year ago
 6 replies
 1 Medal

greeneyes<3:
Group Title
Someone check my answers please?
Multiply or find the special product:
1. (7x2)(4x3)
…
 updated one year ago
 6 replies
 3 Medals

greeneyes<3:
Group Title
if I want to simplify the 5th root of (160x^8z^4) would my answer be 2x 5th root (5x^3z^4) ?
 updated one year ago
 3 replies
 2 Medals

greeneyes<3:
Group Title
if I want to simplify the cube root of (16x^5) would my answer be 2x^3 cube root (2x^2) ?
 updated one year ago
 4 replies
 1 Medal

greeneyes<3:
Group Title
Evaluate each expression without using a calculator. Please show work! Tomorrow i have test on this and I get it in class, but by myself id…
 updated one year ago
 14 replies
 4 Medals

greeneyes<3:
Group Title
Help!
Simplify:
1. (z)^3(3z^4)
…
 updated one year ago
 20 replies
 3 Medals

heyitzkellymarie1484:
Group Title
9(4b1)=2(9b+3)
 updated one year ago
 2 replies
 No Medals Yet

jasonrob:
Group Title
2(9n1)+7(n+6)=60
 updated one year ago
 5 replies
 1 Medal

greeneyes<3:
Group Title
Check please??
1. Can it ever be true that a = a for real number a? Explain.
my answer: yes, if a < 0.
…
 updated one year ago
 7 replies
 2 Medals

greeneyes<3:
Group Title
is there a difference between saying that a real number is positive and saying that a real number is nonnegative? Explain.
 updated one year ago
 15 replies
 2 Medals

greeneyes<3:
Group Title
(5x)/6 * 2/9
my answer: x=4/15
Check please? Thank you:)
 updated one year ago
 6 replies
 No Medals Yet

greeneyes<3:
Group Title
Please check my answers?!
1. 33
my answer: 6
…
 updated one year ago
 5 replies
 No Medals Yet

greeneyes<3:
Group Title
use inequality notation and interval notation to describe the set.
y is no more than 25.
Thank you! so far I have y is less than equal to…
 updated one year ago
 4 replies
 1 Medal

greeneyes<3:
Group Title
Please check my answers?
1. __________ numbers have infinite nonrepeating decimal representations.
my answer: irrational
…
 updated one year ago
 5 replies
 2 Medals

greeneyes<3:
Group Title
Anyone know what was happening during the time period of the Constitution of the US? THANK YOU!
 updated one year ago
 2 replies
 No Medals Yet

greeneyes<3:
Group Title
who were the key people and key events in "Letter from Birmingham Jail" by Martin Luther King Jr. ?
 updated one year ago
 3 replies
 1 Medal

greeneyes<3:
Group Title
i have a few questions concerning the holocaust during world war 2? I just need some information concerning the whole jew/german relationshi…
 updated one year ago
 12 replies
 1 Medal

greeneyes<3:
Group Title
Please give a one sentence summary for the following six documents:
1. Magna Carta
2. Mayflower Compact
…
 updated one year ago
 21 replies
 No Medals Yet

greeneyes<3:
Group Title
Check my answers for these word problems?
1. A car uses 15 gallons of gas to go 330 miles. How much will the car need to go 450 miles?
my …
 updated one year ago
 9 replies
 1 Medal

greeneyes<3:
Group Title
Check my answers for these word problems?
1. A car rents for $18.75 per day, plus $.25 per mile. If you rent the car for one week, what is …
 updated one year ago
 8 replies
 1 Medal
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