# Math(Please help)

183,433 results, page 52

### Math

Solve the following systems of equations: -2x+y=1 -4x+y=-1 (3,1) (-1,3) (-1,-3) (1,3) Could someone please help. I'm confused on how to solve this. Thank you!

### Math

If f(u)=u+1/(cos^2u) , u=g(x)=pi(x), x=1/4 , find the derivative of f(g(x)). I can't seem to get this one, step by step please?

### Math

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 How do I solve it? Please help

### math

which is equivalent to the expression shown? 10^2 • 5^2 2,500 250**** 500 200 please help

### Math

Please solve y=3x2 the 2 represents the exponent, because I don't know how to place the exponent in the equation.

### Math

Suppose f (x) = x^3 + x and g(x) = f^-1(x). Find g'(2). I am confused about how to find the inverse of f because I can't isolate y. Could you please help? Thanks!

### math

wx + zy = c Solve for y. I don't understand this. If you know what Carnegie is, then you would know I don't really understand. So please help me. help me with the steps

### ** Math - PLEASE help!!

Find all real zeros of the function: f(x)=-2x(x^-16)(x-3) I appreciate all help. Thank you.

### Math

For f(x) = 3x + 4 and g(x) = x - 1. Calculate (f o g)(x). For f(x) = 3x + 2 and g(x) = x². Calculate (f o g)(-2). Consider the function. f(x)= -2x+1. Find the inverse of f(x). Please help! How do I solve this?

### Math

There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults? PLEASE HELP!

### Math - ASAP Please

(Slope-Intercept Form) Which of the following lines has a slope of -1/2? A) x + 2y = 0 B) x - 2y = 0 C) -x + 2y = 0

### Math

How many yards do you need to make 15 t shirts with only 3/4 yards please explain

### math test help

help me n the exploring probability unit test all answers please!!!!

### math

Dennis says that (2x-7)^2=(7-2x)^2.Do you agree with Dennis?Explain Answer please steve

### Math

I need help, please find the exact value of 2log3 27+log3 (1/3)-log3 3^1/2 many thanks

### math

If 1/3 is equivalent to 33 and 1/3%, what percent is equivalent to 2/3? A. 33 and 2/3% B. 150% C. 66 and 2/3% D. 65% PLEASE HELP I NEED THE ANSWER ASAP!!!

### Math

Find the ratio of the complementary angles having the ratio of 3:16. With solution please, thank you!

### Math please help!!

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB=DE, BC=EF, and ∠A=∠D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which SSA...

### math

simplify sixth squareroot of 27a6b3 + 7a eight squareroot of 81b4? please help me

### Advanced Math I

How do you go about solving this problem? x(a/4+1)y(c+3/2) /(x2)by-c+1 I am so confused about this. I don't get it! Please help.

### MATH, help please

how would y multiply 4 4/7 x 7 3/4? how do u multiply fractions witha whole #?

### math

Can someone please help me with this factoring? Thanks! Factor 3x^2-7xy+2y^2 Factor 12x^2+8x-15

### math

Please help me solve the following. Thanks, Write m^p = q using logarithms. Solve (1/e)^2x = 14

### Advanced math--check answer please

Which system is inconsistent? A) y=0.5x x-2y=1 B) 2x-y=8 4x+y=5 C) x+y=0 2x=y D) y= -1 x=2 Answer: A Thanks

### Math

could you maybe give me and euqation using the numbers 21, 2, 6, 19 & 13 that give a total of 3? Please :)

### math

2/6 of the insects were centipedes. 1/2 were millipedes, 12 were flies. How many insects were there? Please explain.

### math

what is the range of y=Arc sin x? I don't know what is the Arc stands for. Please help and explain. Thanks!

### Math

Solve for x in the interval 0<x<(pi/2): 2sin(9x)+cos(10x)=cos(8x) PLEASE HELP!!!

### Math

The lcm for... (1+3t) (1-9t)^2 (1-3t) Answer 9t^2 or (3t+1)(-3t+1) I'm not sure which answer I have is right, could you help me please.

### Math

i need help with this please..... Explain why the line x= 4 is a vertical line in 50 words

### math

Please check this problem to see if I answer correctly x - 3 > 8 Answer x > 11

### Math

express in scientific notation 38.0.000,000,026 help please

### math

Can you please tell me what you get when you subtract 1000 miles from 231.05 miles. Thanks!

### math

distributive property 615x(2+5)= (615x____)+ (615x____) please help me do this problem

### Math- Please check answer

(.200-x)2 Would the answer be .400+x2

### math-quotient

Help me please. My mind is mush.... need to find the quotient of: a. 3/4÷-12 b. 5/4÷2 2/3 c. 18 ÷4.6 d. 3.06 ÷0.22

### math

please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2

### Math

I am stumped...please help...I'm not sure what they are talking about with P (A and B) = 0 If P(A) = 2/3, P(B) = 1/6, and P(A and B) = 0, what can you say about P (A or B)?

### Math

I am stumped...please help...I'm not sure what they are talking about with P (A and B) = 0 If P(A) = 2/3, P(B) = 1/6, and P(A and B) = 0, what can you say about P (A or B)?

### math

Solve the equation. Check the equation. c= square root of(3c-8) Please Help!!!! Thanks.

### math

Can you help with three problems 1)2x^2+7x+3 2)6x^2+5x-4 3)4x^2+12x+9 I have to factor this problems.Please help

### Math(Please check)

solve for x: log4 X - log4 2 = 2 log(2x) = 2 Now what do I do?

### math

convert 25 degrees c to degrees fahrenheit. please help it is due tomrrow

### Math

Can you please tell me step by step on how to do this problem. Factoring by grouping: ab-5a-15+3b Thank You

### Math(Please help)

Simplify the equation: 8^-3 X 8 I know that 8^-3 is 1/512 so do I now multiply the 8 to the 1 and 512?

### Math

Can you please helop with this problem? Solve this problem: -x/3 is greater than or equal to 2 Thank you

### math

x=(-5.15-5.89i).(30/(-5.15-5.89i)) i is the suare root of (-1) what is x. please help me , i cant figure it out. thank you.

### 8th grade Math

Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42

### math

Please and this one 234,000,000 it scientific notation

### Math

PLEASE HELP!!! beth has 60 toy cars and trucks. 75% of them are blue. How many are blue?

### math log

if log6=m and log 5=n, write 7.2 as an expression in m and n Answer is 2m-n Please help me!!

### math

Is 8.5 greater then , less then or equal to -1000? 8.5__-1000 (<,>,=) PLEASE HELP ME

### math

solve: 4+8 1/2 -:- (1/4) to the third power. solve -11-(x+30)=-41-2 (5x-18) please show your work

### math (please help)

Let r= 3-3 sin θ How do I test for symmetry θ = π/2?

### math problem

I have no clue about this problem please solve 8[-73-(-61-28)]

### Math

If A, B, and C stand for different digits, and BA+AC=BCA, what digits do A, B, and C represent? Please Help!

### Math

If A, B, and C stand for different digits, and BA+AC=BCA, what digits do A, B, and C represent? Please Help!

### Math

Solve: (don't forget about imaginary numbers) 5x^2-7x+12=0 how do I solve this? please help and thank you

### Math situations

please help me solve Use the quadric formula to solve 2x^2-3x=-6

### math

what is a linking verb is a verb that links the subject HELP ME PLEASE I'M TIRED

### math

please help choose the expression that forms an equation with the given expression 18-4*3=

### Math HELP!!!

If there is 60 pages I'm printing but I print it front and back how many pages will be. PLEASE HELP!

### Math Please Help ME :(

14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places

### Math

How do I find (a) f*g (b) g*f (c) f*f of these problems? If you can, please show me step by step ^___^ thank you 1)f(x)=x^2 2) f(x)=3x+5

### Math..solve for u

Solve u-2[2=3 [ is square root. Please show work

### NEED Help math

Graph this equation : X=-3 on a graph PLZ and show how you did it please

### Math

Here is the other ones you didn't help me with ! 4/7 divided by 7/8 2 1/2 divided by 4 Thanks Please Help With All Of Them Thanks !

### math algebra 1

Please show the steps and explain how to do this as well. 3√8 · 2√5

### These are my last couple! Please Help In Math.

53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8

### Math

Factoring Polynomials (please show step by step) -8z^3 + 512w^3

### Quick math help

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)

### Math please ASAP

Line AB contains points A (-1, 3) and B (5, 3). Line AB has a slope that is

### math

y=1/3|x|-2 use integer values of x from-3 to 3 to graph the equation. Please help me graph this

### math

Use integers from-3 to 3 to graph the equation. y=1/3|x|-2. Please help me how it would be on a graph

### math help

(y^3)^-2 (y^2)^0÷y^-3 the answer is1/y^3. I just don't understand how is that answer. Please explain

### Grade 11 Math functions

y=x^2-5x+6 Domain= {xeR or 2<x<3 } Range={ } What is the range?? please help! thank you.

### Math

What is 145 over 16 in simplest form? 29/2 * 5/8 = 145/16 = ?? PLEASE HELP MMEEEE DX

### Math

Solve (16x^2)^-3/4 Please help using step by step. I don't understand how to do this. Thank you

### math

PLEASE HELP if i have a balance of -$80 and i deposit +$50 will i have to pay another fee of $35?

### Math to Ms.Sue

Ms.Sue may you please check my answers down below?

### math

Please help! The area of a parallelogram is ( x^2 + x - 12) and the length of its base is ( x +4). what is the height of the parallelogram?

### Math PLZ HELP NOW!!

7a^4*3a^2= ? Can you show me step-by-step please? Thanks a bunch :3

### math

please show step by step! solve for m and n if mn=1300and (m+15)(n-30)=1300

### Math

Today is Friday. What day of the week is it 80 days from today? Please help!!!

### math

Find the zeros of each function. Then graph the function. y= (x-1) (x+2) Can you show me how to do this please?

### math

V=πr^2h V = 3.14 * 1.25^2 * 10 V = 3.14 * 1.5625 * 10 V = 49.06 how does 3.14*1.25^2 = 1.5625 because when I calculate the problem I get 1.11803 *10 =33.20 please help

### Math

2(3c to the 2nd power+ c +-2 Please check 6c to the 4th power+c squared + -4

### Math

1. The graph of the parametric equations x= 2-3t, t= -1+5t is a line. What is the slope of this line? Please help!!!!!

### Math

Find the product and explain the process and reasoning 0.67 x 0.3 Please help I don't know how I could explain this :(

### Math help

Please solve it step by step. Integrate: ∫(x^3/(√(x^2+1))dx

### Math Help!

Help me please. Not sure how to solve this. Can someone show me how to do it step by step. -2/5x-9<9/10

### Math

what value of x is the derivative of x^3 is equal to the derivative of x^2 + x? can someone help me out please

### Math

Find the function Rule. x= -2 -1 0 1 2 y= 9 4 -1 -6 -11 It's hard for me to find the answer. Please help me!

### Math

y + 5 is equal to or greater than 7 Is y less than or greater than 12? Please check, and help correct.

### Physics (SO CONFUSED!!!)

I think I'm using the wrong formulas or SOMETHING... Here's the question: "Two equal charges are separated by 3.7 ´ 10^-10 m. The force between the charges has a magnitude of 2.37 ´ 10^-3 N. What is the magnitude of q on the charges?" Here's my work: F = kc(q1q2/r^2) 2.37 x ...

### Pre-Calc

Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of 30(0.5)(30) 2. this one is ...

### Pre-Calc

Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of 30(0.5)(30) 2. this one is ...

### Math

These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^-2)x(9.1 x 10...

### math

These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^-2)x(9.1 x 10...