# Math(Please help)

181,141 results, page 41

### Math Help Please

How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 y-z=-3 2x+3y+z=1 Where are the inequalities? Those are equations.

### Math(Please Check My Work.)

3a^3b^2(-a^3b-a^2b^2)=-3a^9b^3-3a^6b^4 *is this correct.?- Remember to add exponents when multiplying with the same base. (3a^3b^2)(-a^3b - a^2b^2) = -3a^6b^3 - 3a^5b^4 I hope this will help.

### math (mixed #'s)

find the value of n.n + 5 3/10 = 8 1/10??????????Please Help!!!!!! As above ... n + 5 3/10 = 8 1/10 Subtract 5 3/10 from both sides; result will be n = the subtraction answer. =)

### Math

Finding a polynomial with intereger coefficients that satisfies the given conditions: p(x)=3, and zeros 3, 2i, and -2i. I can not figure how to solve this, Please Help!

### math

what is the most probable next term? 3 6 9 15 24 39 ? I do not understand? you add 3 then 3 then 6 then 9 then 15 I do not see the pattern...please help catalina the answer is 57

### Math

What do we call the numbers that cannot be arranged into 2-way arrays? Please answer my homework is due today!

### math

can someone please help me solve this problem......-3x=3/2 3/2 is a fraction. i tink the answer is -2 while my friend thinks it is -.5 who is rite?

### math

draw a shape that can be modelled by the expression 5 x 3 - 2 to the 2nd power. Write a problem for the expressin and evaluate it. Help.....please....!!! ;-(

### Math - Continuity

Determine the constants a and b so that the function f is continuous on the entire real line: f(x) = 2 , x=<-1 ax + b , -1<x<3 -2 , x>=3 could someone help me with this question please? thank you.

### math

please check my answer thanks :) The monthly payment on a $90,000 mortgage at a rate of 7.5% interest for 30 years is $630.00

### math calculus

Find the are under the given curve y=square root of x + 1 from x=0 to x=9 Please walk me through each step.

### math

what am I? I am a polygon and I have two right angles and one pair of parallel sides. Is it a rhombus? Please help.

### math

Not sure how to complete my home work tonight my first question is 2+8=4+ ___ I don't no how to answer please help thankyou

### math

Hi! I am trying to solve an order of operation question would you please check my answer... 36+9/3*5 I soved it to equal 51 9/3=3 3*5=15 36+15=51 Thanks for your help!!

### math

how to solve for x in terms of the other variables in this equation?Can anyone please teach?I got no idea...Thanks a lot! 3cx+8d^2=2d(2x+3c)

### Math

Find a single vector equivalent to each expression below. a) 5(0, -2, -4) - 4(3,8,0) Please show me all steps so I can understand it.

### math

how do i graph a fraction? like say I had y=3/4x+1, how could I create plot points that are whole numbers? please help.

### Math

How do you factor "0 = x^4 - 6x^2 + 5"? Please show all steps. Here's my work, but I just went around in circles..... 0 = x^4 - 6x^2 + 5 -5 = x^4 - 6x^2 -5 = x^2 (x^2 - 6) -5 / x^2 = x^2 - 6 (-5 / x^2) + 6 = x^2 (-5 + 6x^2) / (x^2) = x^2 -5 + 6x^2 = x^2 * x^2 -5 + 6x^2 = x^4 0...

### Math 116 algebra please check

Solve using the addition and multiplication principles 5 + 6x < 53 The solution set is < 8

### math

Please explain finding the perimeter of a two-dimensional shape. Give examples if possible. tks

### math

Do you know any sites that have circumcenter, orthocenter or centroid word problems?? i really need the practise.. please help!

### math

how do i find the lentgh of the radius given the volume and height useing 3.14 example v=314ft3 h==25 ft Please show me how to do it

### 6th grade math

if a shirt is 45 % off and the sale price is 114.95-what is the original cost? please help me with this formula

### Math

Maximum: 57 Minimum: 50 Median: 54 Mode: 56 Give 12 sets of numbers using the above senarios?? Please Help!!

### Math

Find the quotient and simplify your answer. f(x)=5x-x^2, f(5+h)-f(5) over h Please help I am so lost! All I know is that you have to put (5+h) wherever there is an x.

### math

tell whether the ordered pair is a solution of the equation y=-4x+3 1. (-2, -5) 2. (3, -9) 3. (1/2, 1) my answers: 1. no, 2. no, 3. no but I don't think they're right... can you please check??

### math

I have a test tomorrow on inerior angles and need it explianed more thsn the teacher did,please help

### Math

I do not understand this problem can somebody please help me with it? Fill in the missing digits in as many ways as possible so the number will be divisible by 6. 3 _ 2 _ Thanks for the help.

### Math

Please simplify: Very confused, have many problems like this and need some guidence. Thanks! (root5a^7/2)^4 a^3/a^8

### Math

I don't understand this problem could someone please explain it? Use the missing factor method to find the quotient: 3/5 / 2/3. Thanks.

### Math

Find a polynomial function with integer coefficients that has the given zeros. 0,0,4,1+i Please explain!! I am very confused.

### Math

Can someone please explain this problem? Find the slope of the line passing through points (3, 11) and (18, 20). Thanks so much for the help.

### Math

I am stumped on this problem can someone please explain? Find the distance between the given points (-3, -7) and (-4, 15). Thanks so much.

### Third Grade Math

When you put together unequal groups, you can only add. Is this correct please explain.

### math

divide $ 680.00 among three children with the ratio 2:4:6 please show me how to work out the answer

### math

solve by the substitution method. 8x+5y=-46 -4x+y=30. What is the solution set, because i have tried to figure this out for 20 minutes, please help

### Math

Write the slope intercept form of an equation for the line that passes through (5,3) and is parallel to x+3y=6 . Please help me solve!!!!!!!!!!

### math

how many different rectangles are there with an area of 36cm squared if the side lengh of each in centimeters are whole numbers ...please help..me:(

### Math

give the domain of the function and identify any vertical or horizontal asymptotes. g(x)= 1 / x-3 + 1 My answer was x = o and y=3 but this was wrong. Please explain!!

### math

Please help me. I can't seem to get the answer of 165 degrees. Find the angle ϴ between the vectors. u=3i-3j, v=-2i+2√3j

### math&science

can someone help me with this question please..A 2kn weight is suspended from 2ropes ------------- \ | / pn\ | / qn determine the 28*| / sizes of forces \|40* P and q |/ 2 kn

### Math(Please check)

Sorry I forgot a question. 2) rationalize the denominator. 4/sqrt6 My answer is 4sqrt6/ 6 Am I correct?

### Math

Help-I just started Algebra II and I'm lost. What is the solution of 10 = absolute value of 7-3x. Please show steps so I can understand

### math 8

how do the degree and the sign of the leading coefficient correspond to the end behaviour of the polynomial function. please help I don't know where to start..

### math

x=(21.83+60.66i)/(-5.15-5.89i) i is the square root of (-1) then x should equal 10.3 but i do not know how to figure it out please show me hoe thank you

### Math help please

calculate missing dimension. square based pyramid has height 92cm and volume 5.4 m cube.

### Math-Algebra-Please check

What is the solution of 3 times the absolute value of x + 5 <= 6 I think the answer is x <= - 3 and x >= -7 If I'm not right, could you tell me why?

### math

sums and differences of rational algebraic expression please answer the following 9ab/cd^2 - 7ab/cd^2 another 3/x-1 - 2/x-1 another is 4x/4x-y - 2x/4x-y another is 3x/2y - 3x-2y/3x+2y another is 8/3x - 3/4x + 4/12x another is x-3/3x+1 + x+5/3x+1

### math

y=x^2-3x+c and y=k-x-x^2 meet at (-2,12) what are the values of c and k?? omg ive tried 100 ways but cant find the correct ans...please help?? Thank You

### math

explain whether each set is closed under the given operation {-1,0,1}multiplication? please help and tell me the steps thanks!

### Math

when // lines are cut by a transveral, alternate exterior angles are congruent. true of false ? Explain please.

### Math

when // lines are cut by a transveral, alternate exterior angles are congruent. true of false ? Explain please.

### math

What are the measures of the angles of a right triangle with side lengths of 1, 2, and sqroot of 2? please show/explain work

### 5th math

560.1/3 0.1s,1s, 10s ,100s. How I estimated? Answer___________. please! help me i'm total lost with this.. thanks!I knew it's division.

### math

im a fourth grader asking if 13 feet, 6inches is greater than or less than 5 yards. please tell me the correct answer

### Math

Look I'm in 5th grade and I need to find out what the square route of 1,684,392! please help me!

### Hard math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

### Math 213

Please....! There are two questions here. What, if anything, is wrong with the following numerals? A. 306four B. 1023two

### Math

Rate is 9%. Time is 4 years. Simple interest is $354.60. What's the principal? Please show me how you got to the answer as well.

### math

Which shows the proper coordinate notation for a rotation that is 180 degrees clockwise about the origin A. (3,6)->(6,3) B. (3,6)->(-3,6) c. (3,6)->(6,-3) D. (3,6)->(-3,-6) HELP please? Thanks

### math- algebra- help please!

12 points lie on a circumference of a circle how many inscribed triangles can be constructed having 3 vertices?

### math

HI I need help with mixed numbers! I used to know how to do them. but now I fogot!I was in sping break so yeah.please help what should i do!

### 7th grade math

-2(8-4)-8(-6-8)= im notsure how to do this can someone please explain how to do this and what the answer is, i keep coming up with 2 but that's not right. i need help!

### Math

Use the IVT to show that there is a root of the equation 4x^3-6x^2+3x-2=0 between 1 and 2? (please give a full answer with steps)

### Math

Solve the following equation in the complex number system. Please show all of your work. x^4 – 13x^2 – 90 = 0

### Math (Grade 9)

Solving Linear Equations: x _ - 3 = 5 7 I know you have to add three to each side, but after that im not sure what to do,, please help!

### science/math please help

what is the density of an objects whose mass is 500 grams and displacs 250 ml of water?

### Math

The riddle of my paper is asking "What Do the Fans Sing at University of California Football Games? Please help me out. The page is 75.

### Math - urgent

Evaluate the definite integral 8 S (3x^2 + 3)/(x^2) dx 5 Not sure which substitution to use. Please show your work & explain. Thanks

### College Math

What is conditional, and identity or a contradiction ? in terms of a linear equation. Please can you give some examples

### MATH

WHAT ARE A FEW EXAMPLES OF A TRIANGULAR SEQUENCE PATTERN IN REAL LIFE? PLEASE ANSWER AS SOON AS POSSIBLE!

### math- precalculus

Help please! I can't seem to get x as the answer to prove that they are inverses of each other! Show what f and g are inverse functions algebraically f(x)= x-1/x+5 g(x)= -5x+1/x-1

### Math

Record 7 digits (0-9) in ascending order that have a mean of 3 and a median of 1. Explain how to come up with the answer as well please and thank you.

### Urgent math please help

find a quadratic function that fits the set of data points. (1,4), (-1.6), (-2,16) what did i do wrong, i got -2x^2-x+7

### 6th grade math

does the word difference mean minus and if so..... am i correct to say 0-12 = 0 ? PLEASE ADVISE. THANK YOU IN ADVANCE FOR YOUR HELP.

### MATH Is there no one who can helpp???????

how do i simplify -9/2x^-3/2??? please help i dun need a answer necessary just an explanation is fine :)

### Math

Find the pcent of decrease to the nearest whole percent? Was:25 Now:17. But i don't understand my teacher, please help me by doing an example.

### MATH - Please help!

Find the present value of $6000 payable in four years at 16% simple interest Thanks a bunch!

### Math Help Please!!!!

find the balance after 15 years of a $2500 investment earning 5.5% interest compounded continuously

### math

hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62

### 6th Grade Math: Proportions

14/38=X/29. I'm still confused about figuring out what x is and getting X on its own. Please Help!!!

### math

1. Which exponent makes the statement true? 1/5^9 = 5^? a. 9 b. -9 c. 1/9 d. - 1/9 2. y^5 x y^14 = a. 2y^19 b. y^60 c. y^19 d. 2y^60 3. w^12/w^18 = a. w^30 b. w^-30 c. w^6 d. w^-6 5. 5^5/5^2 = a. 5^1 b. 5^2 c. 5^3 d. 5^4 Please help me this is all like greek too me. My teacher...

### math

1. Which exponent makes the statement true? 1/5^9 = 5^? a. 9 b. -9 c. 1/9 d. - 1/9 2. y^5 x y^14 = a. 2y^19 b. y^60 c. y^19 d. 2y^60 3. w^12/w^18 = a. w^30 b. w^-30 c. w^6 d. w^-6 5. 5^5/5^2 = a. 5^1 b. 5^2 c. 5^3 d. 5^4 Please help me this is all like greek too me. My teacher...

### math

can you please help. If a plane travels 550 kilometers per hour, represent the distance it will travel in h hours. thank you

### 6th grade math

I had to convert 2500 millimeters to centimeters.I think it's 250,please check. Thanks!

### math

Please give me an algebraic expression for this problem jasmine has three times as many chores as her younger brother does

### 7th grade math Ms. Sue

I still cannot figure this one out can you please tell me... 11/12 + (-2/3) = ? The answer choices are 1/4 13/12 -1/6 -7/12

### math

I have to insert brackets so that this equation is a true statement. I was able to solve the other 3 and could not get this one. Please help. Thanks -20 + 4 x 2 + 7 - 35 = -19

### 6th grade Math

Please help me with this problem, i don't understand how to do it. Thank you How many rectangles can you build with a prime number of square tiles?

### math

use each of the digits 1, 2, 3 (one time each)and any combination of operations to create and equation where the answer is 5 please help Abbigail

### math

3) In the country of Sweden, a bill becomes a law only if 38/50 of the senators approve it. What percentage 38/50? Answer Please !!

### MATH RATIO AND RATE

WHATS 102 OVER 14 I NEED A ANSWER PLEASE SORRY ONLY THIS ONE

### Math,Geometry

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.

### Math,Geometry

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.

### Math

Hi. please help me solve the ffg. differential equation: D^2y=3sinx-4y given y=0 and dy/dx=1 at x=pie/2 Need full solution. Tx

### math

if X is 10% of two other numbers,Y and Z,and Z is 3 times the value of Y.What percentage is X of Y alone ? please show me how you work it out,thanks

### Math

How to divide 150 by 3.6 please tell me with steps I tried it several times but can't seem to figure it out!!!

### Math

Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1 ) and ( x - 2 ) respectively. If 2R1 + R2 = 6, find a. Please work the complete solution.

### math

Will someone please help me solve this problem. Simplify by factoring. ã250 this is a radical sign in front of 250.