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Posts by Melina

Total # Posts: 36

calculus
for trigonometric functions and rhythmic functions questions, how do you know when to use either f(t)=A sin (w(t-a)) or f(t) = A cos ( w(t-a)) ?

calculus
y=-sin^2 (1/x) find the derivative

biology
At what stages of meiosis 1 and 2 are the chromosomes unreplicated and replicated At what stages of meiosis 1 and 2 are the chromosomes diploid and haploid

calculus
y' = 2y(1/2) , y(0) = 8 The function starts with y0 = 4 ,what is Euler’s method for computing yk+1 from yk with step size ?t.

calculus
dy/dt = 2y^(1/2) y(0)= 2 What is Euler's method for computing yk+1 from yk with step size delta t when yo= 10

Math
rearrange the equation X+6y=18 to x=18-6y to get x by itself sub x into the other equation and solve for y 2(18-6y)-3y=-24 y=..... then sub the y value back into x= 18-6y to get what x is x=18-6(....)

calculus
If y satisfies y?? =4, y?(1)=10,and y(1)=6,what is y?

calculus
@ steve

calculus
why is there a y' on the 3y^2 ?

calculus
Consider the curve given by the equation ln(y + x + 3) = xy + y3. Find an equation of the tangent line at the point (?4, 2)

calculus
dt/dx= ((x^2+a^2)^(1/2))/v1+((b^2+d^2)^(1/2))/v1 the function dt/dx has a zero at a unique x on (0,d). Use this to justify your discovery that d= (x^2+a^2)^(1/2) + (b^2+d^2)^(1/2)

AVIATION SECURITY
2. I mean

AVIATION SECURITY
who is responsible for hiring and training checkpoint security supervisors? 1. federal government 2. airport operators 3. airline carriers 4. airport security managers I think it's B

physical education
A 1kg ball is tossed straight up with a kinetic energy of 196J. How high does it go.

math
1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent

math
RM65000 will be invested for 6 years 9 months. if the investment will be offered 5% compounded semi annualy for the first 2 years, 6% compounded monthly for the next 18 months and 7% compounded daily for the rest of the period ,find the future value of this investment. what is...

Math
Do 42 times .30 and whatever number you get, add onto 42 and that's the original price.

Mathematics
.83 years

Math
528

Math
A sample of 500 drivers was asked whether or not they speed while driving. The following tables gives a two-way classification: Speed Never speed Male 222 78 Female 128 72 We wish to test whether gender and speeding are related at the 1% significance level.

Math
A sample of 500 drivers was asked whether or not they speed while driving. The following tables gives a two-way classification: Speed Never speed Male 222 78 Female 128 72 We wish to test whether gender and speeding are related at the 1% significance level.

math
if its permutation its 5,814 or combination its 969 im pretty sure its permutation though

Math-Probability
Suppose an urn contains 8 red,5 white and 7 blue marbles.If 3 marbles are drawn at random from the urn with replacement,what is the probability that three marbles are the same color?Give answer in a reduced fraction.

chem
for one of my question i got 1.1x10^-1 g/L for an answer. however, the answer is suppost to be in g/mL. What would the answer be in g/mL and how do i get it?

social studies
Idk

science physics
A giant crane in Washington DC was tested by lifting a 2.232x10^6 kg load. Find the magnitude of the force needed to lift the load with a net acceleration of 0m/s^2

science physics
A giant crane in Washington DC was tested by lifting a 2.232x10^6 kg load. Find the magnitude of the force needed to lift the load with a net acceleration of 0m/s^2

Begginers Algebra
For the table, find the output value that corresponds to an input value of 0. Chart; Input Output; -5 (negative) 22 (positive) -2 (negative) 10 (positive) 1 (positive) -2 (negative) 4 (positive) -14 (negative) 7 (positive) -26 (negative) *I WANT ONLY WANT TO KNOW THE VALUE/...

Begginers Algebra
For each table, find the output value that corresponds to an input value of 0. Chart; Input Output; -5 (negative) 22 (positive) -2 (negative) 10 (positive) 1 (positive) -2 (negative) 4 (positive) -14 (negative) 7 (positive) -26 (negative) *I WANT ONLY WANT TO KNOW THE VALUE/...

Beginners Algebra
For each table, find the output value that corresponds to an input value of 0. Chart; Input Output; -5 (negative) 22 (positive) -2 (negative) 10 (positive) 1 (positive) -2 (negative) 4 (positive) -14 (negative) 7 (positive) -26 (negative)

arithmetic
im trying to solve a riddle here it is.iam a four sided polygon.my two short sides are the same length and meet at the vertex.My two long sided are the same length and meet at the vertex.What am i?

Pre-Calculus
Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find the three numbers.

SCI 275
Identify 3 fresh water and salt water resource issues

math
what is a reciprocal number?

english
i need help on the story knife by sarah ellis we hve to make a timeline i dunno what 2 put?

ethics
Hey check this out you guys!!!! This websites saved the day for me!! everyculture dot com It had everything I needed and way more. That is not to say that I didn't first get help from you, Angela, So thank you. Remember, the harder the task, the more hefty the pay off...

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