# Math(Please help)

186,076 results, page 45

### Math

I came up with no solution for this equation. Could someone please let me know if I am correct? If not, I will try again, but I have already tried it 3 times. [x/(x+5)]-[5/(x-5)]=(x^2+25)/(x^2-25)

### Algebra

I need help with math 116 week8 quiz I have tried everything please help me I am failing this class thank you in advance

### math

What is the place value of number 3 241 568 073.247 Use numbers, words to explain. Please, help.

### math

find an equation of the linear function f using the given information. please show all steps and work f(-1)=1, f(1)=-2

### math

write each number in decimal form: (a) two hundred thirty and seven tenths .... .... .... please help!! thank you very much!

### math

x.y=30 and x+y=10.3, I end up with x=(21.83+60.66i)/(-5.15-5.89i). i is the square root of (-1). could you please show me how this equation will = 10.3 I am having problem to figure it out. thank you.

### Math

Factor each expression completely. Can you please show me the steps on how you reached your answer so I know how to these types of problems thank you. 3x^4+13x^3y-10x^2y^2

### Math

Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 to x-5 of square root of Sin(t)dt. Please help.

### math grade11

for -2 < x < +3 and f(x) = 3x^2 - 6x a)determine the domain and range of f(x) b) the eqn of f inverse if f(x) is further restricted to 1 < x < 3. i don't know how to these problems i tried everything please help me

### math

Please explain how you would use a mathematical property to make the following number sentence always true: a x 9 = a x 7 + 2

### Math

The queston asks me to find k for the probability distribution: P(x)=k(x+2) for x=1,2,3 I have no idea how to solve this... Offer me some guidance, PLEASE!

### 5th math

What is the measure of each side of a square with a perimeter of 60 inches? this one I'm total lost . please ! show me how you do this problem. thank you!!

### Math

Solving Identities [(1+tanx)/(sinx)]- secx I got cscx please halp me to solve it to see if its right

### Math

Use patterns or a linear equation to complete the table. 11) x y 1 -1 3 3 5 7 10 ? 50 ? 100 ? I don't understand what I'm suppose to do! Please hep and explan well! Thank you!

### MATH please help

5xy^2 + 15x^2y^2 - 25xy^2 + 65x^2y^2 = 10x^2y^2 + 45xy^2 Factor out the GcF of each polynomial in the equation

### MATH please help

5xy^2 + 15x^2y^2 - 25xy^2 + 65x^2y^2 = 10x^2y^2 + 45xy^2 Factor out the GcF of each polynomial in the equation

### MATH please help

5xy^2 + 15x^2y^2 - 25xy^2 + 65x^2y^2 = 10x^2y^2 + 45xy^2 Factor out the GcF of each polynomial in the equation

### Math

If theres a golden rectangle, with one dimension shown as being 100, then what is the length of the unknown side? How do you do this please?

### Math

I need to write up how to find a greatest common factor in a polynomial. I am having a hard time doing so. Could someone help me please?

### Math - Problem4

Solve the inequality. Express your solution using interval notation and please show all of your work. x^4 - 7x^2 - 14 > 0

### Math

The equation of the parabola which contains 2 points (1,1) and (-2,-2) and whose tangent at the point (1,1) has the slope k is y=1/3(A)x^2+1/3(B)-2/3(C). Express A,B and C with k .please solve this problem

### 8th grade Math

" four less than twice a number is greater than six " Can someone please write that as an expression ?

### MATH

Please help me with this!! The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn - tn-1 = 3n -2. Determine the value of t50.

### math

Johns football game last for 50 minutes. What reduced fraction of an hour is that? Can someone please explain to me how to solve this question?

### Math

Sorry for repeated questions, but this is my last problem: s = ut + 1/2(gt) The "t" for "gt" is squared, and the subject of the formula is "u". Thank you very much (and please include workings).

### Math

Find the constant a such that the function is continuous on the entire real line. f(x) = 5x^2, x ≥ 1 ax − 3, x < 1 ???Please, thnks.

### Math

What is the angle (in standard position - i.e. measured counterclockwise from the positive x-axis) formed by a line from the origin to point (1,-2)? Please help and Thank you

### Math

The room you want to paint has 2 doors,each 6.5 ft tall and covering 20.8 square ft.What is the width of each door? My answer is 3.2 ft,am i right?if not please explain.

### math

find two rates for each given rate: 1) 18people/12people 2) 1.5 miles/ 2.4 minutes please help sooooo confused

### Math situation

please help me solve Multiply and simplify type exponential notation with positive exponents (64a^2)/(2a^2-16a+32) x (2a-8)/8a

### math - please help

What is the rotational speed (rpm) of the 64 in diameter rear tires of a tractor traveling at 6.5 mph if there is no slippage? How do I work this? Thank you.

### math please help me

Write the standard equation of the ellipse with the given characteristics I have no ideal how to do this Center:(0,0) foci: (2,0) (-2,0) vertices:(5,0) (-5,0)

### math

The following sets of ordered pairs are functions. Give a rule that could describe each function. Please show your work. A.{(5,3),(7,5),(11,9),(14,12)} B. {(2,5),(3,10),(14,17),(5,26)}

### College Math

Evaluate the expression. (8 7) however the () should cover both numbers. Please explain answer if poss.

### Math

Check whether the given number is a solution of the equation or inequality. 2x+6=18;9 I know that I have to plug 18 into x but then i don't know what to do next. Help please? Thanks!

### Math

Please find the next THREE numbers in the patterns and explain how you got them: 1) 5, 5/2, 5/4, 5/8, 5/16.... 2) 1, -3, 9, -27, 81... 3) 1/2, 1/2, 3/8, 1/4, 5/32... 4) -9, 101, -999, 10001, -99999...

### college math please help

What do these mean? They are supposed to represent things but I don't understand them. C=2╥r for r, S=P+Prt for t, and A=2lw+2lh+2wh for h

### Math - 10th grade

Simplify: (1-i)^3 Here's how I break it down using the formula (x-y)^3 but I just don't know how to get to the final answer. Please help. = 1-3i+3(i)^2-(i)^3 Thank you

### Math

Thank you Steve for your help! I need help on another question. I have to show 10/8 divided by 5/8 on a number line. I don't know how to set this up. I am lost!!! Please help to explain this. Thank you

### math

if prizes for a carnival are priced at 5 for 80 cents,how much would 250 prize [1] $4.00 [2]$ 8 00 [3] $40.00 [4] $80.00 [5] not enough information i given. help please

### Math

Use the rated acute angle to state an equivalent expression Tan110 The answer is tan290. Why isn't it 70? Please explain

### 7/8 Math URGENT!!! PLZ HELP!! ANYONE????

Could ANYONE please explain this formula to me and what the words mean... I=prt (Intrest= principle x rate x time)

### math - please help

Which expression is equal to 1/8000 written in scientific notation? A.8.0 x 10to the 3rd B.1.25 x 10โ4 C.125 x 10โ5 D.1.25 x 10 the the 4th I think it is A..?

### math

Please help with the below: Find an expression for the nth term of the given sequence. a). 3,6, 12,24, ... b). 151,142,133,124, ...

### Math

The measures of the angles of a triangle are in the extended ratio 2 : 2: 8. What is the measure of the smallest angle? can someone pretty please show me how to do this?

### MATH

2(7w-1w+7)>122 ? what work would i do? im just learning inequalties and i have a quiz tomorrow with problems like this, please help!

### Math

I need help please. Find the critical z values. Assume that the normal distribution applies. Right-Tailed test; x=0.03. z=?

### MATH; PLEASE HELP

Power Standard Form 10^1 10 10^2 100 10^3 1000 10^4 10000 10^5 100000 Write a rule for the number pattern.

### math

The bases on a baseball diamond are 90 feet apart. How far is it from home plate to second base? Please explain

### math

please help me how to solve the integral sinx/x dx from 0 to infinite : ∫_0^∞▒〖sinx/x dx〗 thank you

### math

if the perimeter of rectangle is 50cm and its length is 5 cm greater than its breadth find its area please give answers with method

### math

Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!

### Math

Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/(m2)^2 + m2/(m1)^2. Please work the complete solution.

### Math

Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/ (m2)^2 + m2/(m1)^2. Please work the complete solution.

### Math

Can someone please help me with these two. What is the quotient (6-x)/(x^2+2x-3)รท(x^2-4x-12)/(x^2+4x+3) in simplified form? State any restrictions on the variable. Simplify the complex fraction ((x)/(x+2))/((1)/(x)+(1)/(x+2))

### Math

Find the area inside the lemniscate r^2=150cos(2theta) and outside the circle r=5sqrt(3). Please I really need help.

### Math. Please help

Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain

### math

If # (a,b,c,d) means you take the positive value of the square root of each term, then add the resulting values, and # (a,36,16,9)=15, then a = ? please explain

### Math

Find the second, fourth and eleventh terms of sequence described by each rule. 13. A(n)=2+(n-1)(-2.5) 14. A(n)=-9+(n-1)(3) I need help please, i am bad at mathh

### math

hello! please help me my problems..I cant really understand this... Draw and explain an angle of depression of a boat from a cliff is 39 degrees.

### Math 117

If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 12 units. Thank you!

### Math 117

If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)^2 to the right 12 units. Thank you!

### Math please check my answer?

This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?

### math

Please answer ASAP.. Awheel has a diameter of 16 cm. Approximately how far does it travel in 5 revolutions? A. 502.4 cm B. 251.2 cm C. 100.48 cm D. 80 cm

### Math

o is the center of the regular pentagon ABCDE. How many degrees are there in OAB? Please explain or show work A.36 B.54 C.72 D.108 E.126

### Math

Prove the identity csc^2x = 2sec2x / sec2x - 1 Sorry i really tried. I got : LS = 1 - (cos^2x/sin^2x) but that's it. please help

### Math Problem (please help)

Find all the zeros of the function. (Enter your answers as a comma-separated list.) f(x) = (x + 3)(x − 7)2 X=

### Math

I have to make a real world problem using the greatest common factor of two numbers help me please.

### math

If a 40 m rope is cut into two pieces in the ratio 3:5, how long is each piece? I tried it but I checked it and it was wrong, please help.

### Math

Start a 4. Create a pattern that multiplies each number by 4 and then adds 3. Stop when you have 5 numbers. Can someone please help me out?

### Math

Expand and simplify: (5r - 6s + s2) (13r + 3s - 5s2) I got 65r^2-25rs^2+78rs+18s^2+3s^3+5s^4 but it's wrong?! Please correct me!

### Math

Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x/(x+1) x x^2-1/(x^2+x-6) Please help me as I'm on a deadline to finish this course

### math

what is the mystery number?greater than 1oo -odd more than 3 tens less than 150 the sum of the digits is 12?? please help

### math

Could someone help me solve this Absolute Equation? Please? I would really appreciate any help... Question~~ Evaluate the given expressions when a = 3, b = -3, c = 4, and d = -1 (a/c)|c| + b โ d

### math

The label on a can of lemonade gives the volume as 12 fl oz, or 355 mL. Verify that these two measurements are nearly equivalent. Please help me with this question.

### Math

What percentage compound interest rate (to 20) will table of an investment of over a period of 5 years? (show working please)

### Elementary Math

The question stated: Write a numerator that makes the statement true. 1/2< /10 < 4/5 My answer is 7/10 am I correct< If not please explain. Thanks

### MATH I just need explanation very easy ( for you)

Completing the Squares F(x) =x^2+3x+2 F(x)=0 X^2+3x+2=0 WHY DIDN'T IT BECOME -X^2-3X-2 ? ( EXPLAIN THIS PLEASE) Next for the solution X^2+3x+3(3/2)^2 = -2+(3/2)^2 (X+3/2)^2=-2+9/4 (X+3/2)^2 = 9/4 -8/4 =1/4 ( WHERE DID THEY GET 8/ 4?

### Math

Hello so I'm just wondering comparing the variable x and the number 9, do they have different degres? I know that x has a degree of 1 but for 3 i'm not sure...please help

### Math

What is the lowest common denominator of the four fractions listed below? 20 7/10; 20 3/4; 18 9/10; 20 18/25 a. 2 b. 40 c. 50 d. 100 Answer-a Please check the above.

### Math Algebra

There are numbers whose sum is 50. Three time the 1st is more than twise the second.? please solve

### Advance Math

Please bear with me. Thank you. Evaluate: Z=(ln(j3) / (2+j))^ 1/j Only j3 is inside of ln function. Then it is divided by 2+j . Then the whole equation is raised to the power of 1/j

### Math

(secx-cosx) / (tanx-sinx) = cosecx+cotx Spent hours to solve this question but failed. Please help. Thank you

### trig, precalc, math, algebra, trigonometry

Rewrite: tan(cos^−1 (v)) as an algebraic expression in v. Please help me understand.

### Math

How many solution are there in the following system of equations? x=-6y+4 2x+12y=8 Please help me and explain it to me! I would really appreciate if you guys answered it!

### Math

Find all solutions of the given equation in the interval [0, 2pi) cos x/2 - sin x = 0 Hi, I am struggling with this question. Can anybody help me please? Thanks!

### math

find the next number in the following sequence 110,98,87,71,___ please i need someone to give an answer

### math

Inverse of h(x)=7-9cos(-(x+1)). h^-1(x)=? show work please! Thanks.. also accidentally put this as an answer somewhere pls ignore that!

### Math/ Algebra

Ms. Sue please I need help with these two problems! Tell whether the given number is a solution of each question 5b+1=16; -3 14=1/3x+5;27

### algebra

someone help please im homeschooled and dont understand math at all, its my weakest subject :( If y varies inversely with x and y = 6 when x = 3, then what is y when x = 2? a.) 9 b.) 12 -im guessing this? c.) 18 d.) 36

### Math - Coordinate Geometry

Find the equation of the line which cuts the y-axis at -3 and is parallel to 4x-y+=0. Please show working out, thanks.

### Math

Can someone walk me through this? For the equation Ax + By = C (where A, B, C are real numbers) what is the slope (in terms of the traditional y = mx+ b) and state any restrictions. Please!

### Math

3/4, 1/4, 1/12, 1/36 what is the next number in the sequence? I tried using 36 as common denominator but that seems wrong. Can you help me get the answer and explain how it was done. PLEASE HELP

### Math (please check my answer!!)

Which of the following is the point of concurrency of the medians of the triangle? A. The incenter B. The circumcenter C. The orthocenter D. The centroid <<<

### Math

if two fair dice are rolled what is the probability that the total showing is more than four? Will you please explain how to do this problem? Thank you

### Math

Which makes this a true statement? _____ rectangles are squares. A. All B. Some*** C. No D. None of these I think it's this please correct me

### math

What would be a person target heart rate be if they are 14 years old? I know it starts like 220-14=206 but then what... Please help

### Math

The spinner is divided into equal parts 1, 3, 4, 2. IF you spin it twice, what is the probability that you get a prime number. Explain please.

### 7TH GRADE MATH HELP!!!!!

Hey I had to divide 7 by 20 and the answer is .35 but I need to solve it without a calculator and I dont know what I'm doing please help thanks you