# Pre-Calc (ugent!!!)

7,973 results

### Pre-Calc (ugent!!!)

If a number is selected at random from the set of all five digit numbers in which the sum of the digits is equal to 43, compute the probaility that this number is divisible by 11.

### Pre-Calc

I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c) + 1 ...

### Pre-Calc

Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

### Pre-Calc/Calc

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)

### Pre Calc

Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.

### Pre-Calc

This is the last question on my pre-calc homework, I looked through the textbook and have no idea how to do this. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one ...

### Calc or Pre calc

I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2

### Scientists PCR

Scientists use polymerase chain reaction (PCR) to amplify a segment of DNA into many copies. to insert new nucleotide segments into a plasmid. to make a complementary strand of DNA. to link together multiple fragments of DNA WHICH ONE WOULD YOU PICK AND MOST IMPORTANTLY, WHY? ...

### math

Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didn't have problem understanding. I don't know what is wrong. what should I do?

### Pre-Calculus

Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

### Pre Calc

How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]

13-5e^2x=3

### Pre Calc

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5

### pre calc

(1/x^2-49)/(1/x+7)?

(3^-2+4^-2)^-1/2

(3^-2+4^-2)^-1/2

2-2

### pre calc

g(1/2)=-(1/2)^2+7(1/2)-7

(8y2+3y-7)(3y+4)

### pre-calc

how do i solve this w(4-w^2)=8-w^3

### Pre Calc

the domain of g(x)=x^3-2x-1

### pre-calc

what does this simplify to: f(x)=x/(x+4)^(1/5)-2

### pre calc

f(x)=1/x+2 how do i solve this

### Pre Calc

please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7

### Pre-Calc

f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14

### Pre Calc

Solve for x: |4x+6|-|2x-1|<5

### Pre Calc

Simplify: n!-(n-1)! --------- (n-1)!

### Pre Calc

Solve for A and B if: 1 A B ----- = --- + --- k(k+1) k k+1

### pre calc

(4^x2)^2 mulipled by 1/(4^5x)=64

### pre calc

simplify: 2^x X 2^y +2^x X 2^y + 2^x X 2^y + 2^x X 2^y

### Pre Calc

ln (x^2 +x-12)=3ln2

### pre-calc

what are the asymtopes of 2x/x-3

Logx16=-2

3-log(x+2)=5

### Pre-Calc/Trig...

If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)

### pre-calc

how do you factor 3x^-1/2 + 4x^1/2 + x^3/2?

5x+3yi=5-6i?

### pre calc

solve each inequality: (x-4)(x-2)^2(x-3)^2 < 0

### Pre Calc

solve the quation. t/3+t/5=1.

### pre-calc

how would you solve x^(5/2)(x^(1/2)- 1/x^(1/2))

### pre-calc

for f(x)=2^x is f(x) an increasing function.?

### pre-calc

for f(x)=2^x is f(x) an increasing function.?

### pre calc

how do you put these in y=mx+b form 3x+5y=8 16-5x=2y

### pre calc need help

solve. 4x+2/3 - 3/4 = 1/2

### pre calc

what is the domain and range of f(x) x^3?

### pre calc

f(x)= x^2+5 g(x)= square root x-1 (f/g)(x)

### pre calc

Example 1: Let f(x) = ex and g(x) = ãx Find: (a) f(g(x)) (b) g(f(x))

### Algebra II/ Pre Calc

ln(12+x)= It is not (ln 12)(ln x) or (ln12x)

300=5000^e*.3x

lnX + ln2 = 3

lnX + ln2 = 3

### Pre calc

.5ln(x+3) - lnx=0

### Pre-Calc

How would I solve: X^(4/3)+X^(2/3)=28

cot 19.8 degrees

### pre-calc

How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x Ok so its (f-g)(x)=4x/7 +7 - (-6/x) But how do u simplify it from there? Thanks!

### Pre Calc

sec(cos-1 (4/5))=?

### math pre calc

solve for x. 8^6+3x=16

### Pre-Calc Help!!!!!!!!

cos(2tan^-1(15/8))

### Pre-calc

Focus of the ellipse 9x^2+2y^2=36

### pre calc

3x + 2iy =6 + 10i

### Pre-calc

Solve 3.3= 1.005^n

Sinx=0

### Pre-Calc

How do I solve this equation? 4^x * (1/2)^3-2x = 8*(2^x)^2

### Pre-Calc

Eliminate the parameter x = t^2 - 1 and y = t^2 + t

### Pre calc

y=5tan1/2(x+pi/4) What is the period?

### Pre-calc

2x^2 - 12x - 3y^2 - 24y +60 = 0

### Pre-Calc

Help please Find f(2) and f(a+h) when f(x)=3x^2+2x+4

### Pre-Calc

help please For f(x)=3x+1 and g(x)=x^2-6 find (f-g)(x) A. x^2-3x-7 B. 7+3x-x^2 C. 3x^2-17 D. -x^2+3x-5

### Pre-Calc/Trig...

what is In e^4.3 equivalent to? How?

5=log3(x^2+18)

### Pre Calc

Solve 0=e^3x-9e^2x+20e^x

### pre-calc

|2x+1| greater than or equal to |x-3|

### Pre Calc

Evaluate the quantity. 4 · P(4, 4) · C(9, 5)

### Pre Calc

simplify the expression x-4 when x is less than 4

### PRE CALC

The x-intercept of the graph of f(x) = sqrt(x - 1) - 2 is (5, 0)

### pre calc asap

what is the domain and range of f(x) =x^2

### pre calc

Find a linear factorization of: f(x) = x^3 + 5x - 6. thanks.

### pre calc

what quadrants does the point 2,4 and 0, 3 belong in

### pre calc

what are some point for the problem y=1/2x+2

### Pre Calc

for how many integers x is the value of -6/(x+1) an integer?

### Pre-calc

How do you find the range of a projectile?

### Pre-calc-urgent

How do you find a formula for f(x) and g(x) if h(x)=f[g(x)] h(x)=(2x^3-5)^4

### Pre Calc

Determine K: a:12! b:65!+64!+63!=k^2*963! -- =k 10! c:(k+5)!=(k^2+196)(k+3)!

### Pre-Calc

Solve the equation. (tan^2)3x=3

### Pre calc

Find the domain of the function: F(x)= 2-x^2

### Pre calc!

Find the domain of the function: F(x)= 2-x^2

### Pre-Calc

How do I solve this equation? x+5 = sqrt(x+5)

### Pre-Calc

Find [4(cos115+isin115)]^6

### pre calc

phase shift of: y=-5sin(3x+3.14/5)+2

### Pre-calc

simplify cot(x+π)

### Pre-calc

Project U onto V. U=(4,2) V=(1,-2) ?? Is there a formula for this?

### College Pre Calc

lim t>7 F(x) (1/t)−(1/7)/t-7

### College Pre Calc

lim t>7 F(x) (1/t)−(1/7)/t-7

### math pre calc

gaussian elimination x+Y+Z=-2 X-y+5z+22 5x+y+z=-22

### math pre calc

solve for X marticies 2 0 5 4 -1 3 =2 6 x -7

### Pre-calc

The plane y + 4z = 15 intersect which axes?