# Math(Please help)

181,141 results, page 21

### math

How do you find the number of zeros in this equation: f(x)=3x^2-5 please help

### math (please double check my answers)

4. Prove: 2^n + 2^n = 2^n+1

### math

Subtract the sum of 81.6 and 4.07 from 129.4 Please show how its done.

### math

i need a tip on function table please

### Math

Can someone please help me find the derivative of the following: y = (-9e^7x) / (5x+3) Thank you!

### math please try this.....need it

f'(sinx)=cos^2x f'(1)=1 then f(x)=?

### math

(14d+16+24d)-11+2(3d-2) Please help or give formula.

### aig math

14 1/6 - 5 4/5 my answer is 8 11/30 am i right? if not please tell me why and how.

### math refreshers

show work please 6/25 divided by (-3/5) =?

### math refreshers

show work please 6/25 divided by (-3/5) =?

### Math

Please help: find the length of the curve 2y^2 = x^3 from the origin to x=10.

### Math

the real value of w^21 + w^22 + w^23 is? please help, :( i need an explanation..

### Math

Can you please give me an example of a solution step? Thanks.

### Math

Can you please give me an example of a function notation? Thanks.

### Math

Ms. Sue, help me. I don't get the runners problem. Please i am helpless!!!

### Math

I need help understanding truth tables please.

### math

what is (-x-3)+(4x-7)simplified? please show the work, thenk you.

### Math

Factor Completely 16xsquared+49ysquared Please help me!!!!!!!!!!!!!!

### WOODVILLE ELEMETARY SCHOOL

I NEED HELP AT MATH CAN YOU HELP ME PLEASE...

### Math

What is 6.89 divided by 79.7 Please explain I tried but I can't get it right.

### MATH!!!!!!!!!!!! I need help please

Simplify Complex fraction: (x-1) ----- (x-3) --------- 1 4 ---- - ---- x2-x-6 (x+2)

### Math HELP PLEASE

solve and express your answer in coordinate x,y,z x+y+z=6 2x-y-z=-3 x-2y+3z=6

### Math

4/5 • m = 7 m=? simplest form. please I really need help!

### math URGENT

please factor 2.75x^2-7x-120

### Math

Oh and can you guys or girls show the working please.Thanks

### MATH HELP!!!!!!

how would I solve the problem, 10=2/7n+4 ? Please I need help!!!!!!!!!!!!!!!!!!!

### MATH HELP!!!!!!

how would I solve the problem, 10=2/7n+4 ? Please I need help!!!!!!!!!!!!!!!!!!!

### Math

Please factor 2x^2-xy-y^2 Briefly explain steps

### math

Estimate the product of 2/3 and 31. Describe your method. Please help me.

### math

what is tell me rule it frist grade help please......

### math

which 1 of the following is a true proprotion A. 7:9=8:9 B.2:1=1:2 C.54:9=6:3 od D.3:4=9:12 please answer

### MATH HURRY PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!

xy = –12. What is the constant of variation for this relationship? A. -1/4 B. –1.2 C. –0.12 D. –12

### Math -- Please Help

Solve the system xy = 1, x + y =a by using the identity (x - y/2)^2 = (x + y/2)^2 - xy

### Math

Please someone help with my pre calc question!

### Math

Find the margin of error for c,s, and n. C= 0.90, s=2.3, n=36? Please help asap....

### math

(3+5)exponent 2? My answer is 64 am i right, if not please tell me how and why?

### MATH

PLEASE EXPLAIN. I DO NOT GET IT!!!!!!!!!HOW DO YOU CALCULATE THIS? 5:05 PM SUBTRACT 1.9 HOURS?

### math help please

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -2x^2 + 9x + 9. a) {–0.22, 1.00} b) {-2, 9} c) {–4.50, –4.50} d) {–0.84, 5.34}

### Math

How do you solve these type of equations? 2(-3x+1.5)=6 Can you please explain it to me?

### Finite Math

True or false. P (n, r) = r! C (n, r). explain why please, thanks

### college math

Please simplify 100(-5)/25. Thanks a lot.

### math

Please help. round to the nearest penny [ hundredth] $10.13 x4.5

### math integers

-2-(-3)-(-4)+5+6= Please show work I get 14 and when I do it on a calculator its 16

### Math

Estimate. 224% of 320 Please explain! :(

### Math

v-7/5=2 What does v equal? Please show all work.

### Math

(-1/2)+3/5/[9/10-(3/5)] I got 1/15 is this correct? I don't think so please help and explain how you did this :)

### math

Please help to solve this equation: x2 − 14x + 42 = 0

### math

please help to solve tie exponential equation for x: 5^x=8

### Math- urgent

1/2 (8-6h)=h what does h equal? Please show your work.

### Math- urgent

X-30=14-3x What does x equal? Please show your work.

### Math- urgent

X+4÷7=-2 What does x equal? Please show your work.

### Math- urgent

-3 (x-8)+7x=12 What does x equal? Please show your work.

### math

If x=(2/y^2)+2,what is the value of y in terms of x ? please answer and explain

### Math- urgent

Solve for x. x+4 (x+3) =17 Please show your work.

### Math- urgent

Solve for x. 8x-(8+6x)=20 Please show your work.

### math

How do you divide 23/345 ????? Can someone explain it please!!

### Math

Help! I don't know how to find the complement of a 30 degree angle! Please help me!

### Math (pre calculus)

please simplify (1/1+x+h) - (1 /1+x ) divided by h

### Math

The expression log 4 radical a^2/b is equivalent to Please help. Thank you

### Math

Please can you tell me how to find the percentage and probability

### Math

state the A value of each quadratic equation 1. Y=2x^2-4x+1 Please help

### Math

X=66 2/3%Y Y=33 1/3%Z Z=(?)%X Please show work. A.16 2/3 B.22 2/9 C.45 D.300 E.450

### Math- urgent

Z/2-6=4 What does z equal? Please show your work.

### math

Which of the following is equal to (9^-2)+(9^-1)/(81^0)(9^-2) a. 0 b. 1/10 c. 1/9 d. 3/2 e. 10 please answer and explain

### math please help

Limit as x approaches zero of (sinx-(x^3/6)/x^5)

### math

X+3y+9=0 and x+3y-7=0 are parallel or not ,how to work out,can anyone show me please

### math

m=2/3 trying to help my child can someone please show me how to do this

### math

y= tan((pi x)/2) what is the domain of y? My ans. is x= 1/2+k ;k is Z Is it correct Please help!!!

### Math

factor: a^2/36 - b^2/49 show all your steps please !

### math help!!

factor: a^2/36 - b^2/49 show all your steps please!!

### Math PLease help

solve for variable x 2(3x-7)=6(5x=9)+28 after you multipy what do you do

### math

how do you divide 3 divided by 4 1/2 ? can someone please explain

### math check PLEASE

which fraction si greater than -7/5? a.-5/9 b.-6/11 c.-1/2 d.-4/9 i think its A

### math

Find the missing number please 1,8,27,?,125

### 4th grade math

GCM OF 12 and 20. Please explain

### math problem (please help)

Find the inverse function of f(x) = (7x-8)/(3x -1).

### 5th grade math

What percent more than 2 is 16/5? Help me please

### Math help

Please answer this 1 question!! 1.Which could be the name of a point? A. EF B. k C. Q D. MN

### Math

Explain why (2,-3) would be the vertex of the function y=-3(x-2)^2-3? Please and thank you!

### MATH HELP PLEASE

I don't know how to do these 13/4(2x+3/4) It wants me to expand the linear expression and I got 13(8x+3)/16

### Math

Simplify (16x^8)^-3/4 1) 16^-3/4*(x^8)^-3/4 2) -12*x^-6 3) -12*1/x^6 4) -12/x^6 Which step is incorrect? Please help!!

### Math

1/5(2x-10) + 4x = -3(1/5x + 4. Solve for x. I need some really help! please and thank you

### Math

What is 7/8-5/6 in simplest form? Please explain how to get your answer.

### Math please help me

Find the value of each factorial expression 4! I don't get it

### math

Please explain question. How many tons are in 1/2 of a ton.

### math

Please explain this. How many tons are in 1/2 of a whole ton.

### math

Which of the following fraction is greatest? 3 2 1 4 __ __ __ __ 7 5 4 9 please show me

### Math

Please explain to me 1 1/2 times the recipe. are we dividing this by 2 which will be 5/2=2 1/2?

### math

what is the procedure for solving the equation 1/2x = 16. I am stuck. Please help me.

### Math 222

Can someone please help me with these two problems? 1).12 < 12 + 4x < 0 2). 12 – x > 15 or 7x – 13 > 1

### Math

if m<1= 43°, what is m<4? (<= angle sign) can i please get an explanation? im lost

### Math 222

Please help me simplify this expression a^1/3 ______________ a^-3/2 a^1/2

### math- algebra

5 x > 2 x + 18, x € N Please give me the solution to this problem!

### math ( help please instantly )

Find the LCM of the following : 1)m^2 - 7m + 12 and m^3 - 2m^2 - 2m -3 2) (r - 1) ^3 and r^4 + r^2 +1 and r^3 - 1 3) 3(p^3 - 1) and (4p^2 - 1 ) and 6(2p^2 + 3p - 2 )

### Math please

Hi nobody helped me can you check on what I asked? Thank us

### Math

Please show how 7/8 is greater than, less than, or equal to 7/24. Thanks

### Math help please

What is the probability of a number from 1-12 being P(a factor of 12)? 12.5% 25% 50% 62.5%

### math help please

f^2*f^3 Do I add the exponents or multiply? Thank you. would it be f^5 or f^6?

### Math

can you please help me put 0.55 3/5 0.4 and 1/4 in order from least to greatest