Questions Answered

PrinZessin:
What is the difference when you write f[x]=x+3 instead of f[x]:=x+3 in Mathematica?
 updated one year ago
 7 replies
 1 Medal

erica123:
A family has 5 children. Two of the children are twin boys named Nick and James. The boys always sit next to each other, with Nick on the le…
 updated one year ago
 87 replies
 8 Medals

Astemmene:
x^2+4x+4x+16=8
enter the quadratic equation in standard form.
 updated one year ago
 9 replies
 1 Medal

Answerthisnow:
Look at the equations.
If 3a + 2(b − 2c) = p then p = 3a + 2(b − 2c)
…
 updated one year ago
 2 replies
 3 Medals

heena:
Ques. fossil X can be considered to be evolved earlier than fossil Y:
1)Y has vestigeal structures that are homologous to functional struct…
 updated one year ago
 16 replies
 4 Medals

zaphod:
Help pls..
 updated one year ago
 57 replies
 1 Medal

QRAwarrior:
Suppose you have, in the denominator of your integral, the expression of the form x^2  a^2. You want to use trigonometric substitution with…
 updated one year ago
 12 replies
 4 Medals

RedPrince:
what is the result of this question:
sqrt{1t^4}.2tdt
…
 updated one year ago
 49 replies
 11 Medals

rrroat:
(cot^1)(cosecx + cotx)
differentiate w.r.t x
 updated one year ago
 4 replies
 1 Medal

heena:
qn :)
 updated one year ago
 110 replies
 4 Medals

lgbasallote:
Note: This is NOT a question. This is a tutorial.
How to derive three of the most used trigonometric identities? See comment below to see h…
 updated one year ago
 25 replies
 20 Medals

heena:
is geometerical isomerism is possible in the structure??
 updated one year ago
 162 replies
 3 Medals

ajprincess:
plzz check.
 updated one year ago
 39 replies
 3 Medals

xoxosweetx3:
Corresponding sides of similar figures have lengths 4 millimeters and 8 millimeters. What is the scale factor that enlarges the smaller figu…
 updated one year ago
 16 replies
 5 Medals

cesar2462:
Find the difference....
 updated one year ago
 27 replies
 1 Medal

helpmewithmathclass!:
Which of the following is a polynomial with roots 2, 3i, and 3i ?
x3 + 4x2 + 9x + 24
…
 updated one year ago
 2 replies
 1 Medal

michelle95:
Solve the following system of equations.
9x + 4y = 105
…
 updated one year ago
 2 replies
 No Medals Yet

xoxosweetx3:
Caleb has a toy tractor that is a replica of a real one his father owns. The diameter of the back wheels on Caleb's toy tractor is 8 centime…
 updated one year ago
 8 replies
 No Medals Yet

neemo1991:
Please help solve the differential equation\[i'+\frac{10}{2t+5}i=10\]\[i(0)=0\]\[i(t)=?\]
 updated one year ago
 24 replies
 3 Medals

heena:
how can u detect the which dorbital is used in making bond ??
 updated one year ago
 20 replies
 3 Medals

agdgdgdgwngo:
How does a firewall work? How does internet security work? How do I ensure that I am browsing the internet safely i.e. None of my data (incl…
 updated one year ago
 15 replies
 3 Medals

skate2400:
What is the 35th term of the arithmetic sequence where a1 = 13 and a17 = 51 ?
126
…
 updated one year ago
 2 replies
 5 Medals

lgbasallote:
\[\large \int_0^{3/2} \int_{x/\sqrt 3}^{\sqrt{2x  x^2}} \frac{dydx}{\sqrt{x^2 + y^2}}\]
help?
 updated one year ago
 36 replies
 4 Medals

rblessed:
X6=square root 7x+72 sorry no radical symbol on iPad
 updated one year ago
 3 replies
 1 Medal

kyle333333333333:
Which notation correctly shows seven objects taken four at a time? 4C7 or 7C4
 updated one year ago
 11 replies
 No Medals Yet

ajprincess:
Plzzz help.
the following figure shows a long wire carrying a current of 30A. The rectangular loop carries a current of 20A. Calculate the …
 updated one year ago
 39 replies
 2 Medals

momotay13:
What are the slope and the yintercept of y = –2x + 5?
 updated one year ago
 6 replies
 2 Medals

quakeash:
what is the integral of 2/ (2xx^2)^1/2
my guesses is sin^1 (whatever) +c maybe ?
 updated one year ago
 17 replies
 1 Medal

Addy10158:
IF KC=31,what is KN?
 updated one year ago
 5 replies
 No Medals Yet

n14r96:
What are the reactants in each reaction?
1. Iron (IIII) and copper (II) sulfate solution
2. Lead (II) nitrate and potassium iodide s…
 updated one year ago
 6 replies
 1 Medal
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