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October 24, 2014

October 24, 2014

**Recent Homework Questions About Algebra**

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**Algebra 2 help :)**

Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE OR FALSE The minimum value is the smallest y-value of a function. T RUE OR FALSE i2 = square root of -1. TRUE OR FALSE Complex numbers can be graphed ...
*Tuesday, November 20, 2012 at 11:59am*

**Algebra 2 help!!!**

What value completes the square for the expression? x2 + 14x Use the quadratic formula to solve the equation. x2 – 7x – 6 = 0 Simplify the expression. (–2i)(8i) What are the solutions? 1/2x^2 + 2x + 3 =0 I need help
*Tuesday, November 20, 2012 at 11:37am*

**Algebra 2 help**

What is the expression in factored form? 2x2 + 16x + 24 What is the expression in factored form? x2 – 36 What are the solutions of the quadratic equation? x2 – 9x + 20 = 0 Please I need your help to pass my semester :/ math isn't my strong suit
*Tuesday, November 20, 2012 at 11:35am*

**algebra 11**

(K+1)x+2y=6; M=k-2
*Tuesday, November 20, 2012 at 10:29am*

**Algebra**

Sharon Spent $2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has $12 left. How much did Sharon start with? X= X+2+(a÷2)+(b÷2)+12 Thats correct?
*Tuesday, November 20, 2012 at 3:12am*

**Algebra**

Sharon Spent $2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has $12 left. How much did Sharon start with? X= X+2+(a÷2)+(b÷2)+12 Thats correct?
*Tuesday, November 20, 2012 at 3:06am*

**algebra**

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? Justify your answer with an explanation or a graph. How might you explain your answer to someone who has not learned algebra?
*Monday, November 19, 2012 at 8:06pm*

**college algebra--please help**

what does Descartes rule of signs tell you about the possible number of positive real number zeros and the possible number of negative real zeros of the function? 1. f(x)=2x^5-5x^2+x-1 2. f(x)=5x^6+7x^4-x-6 please show work
*Monday, November 19, 2012 at 7:08pm*

**algebra**

a model rocket is 2in tall. if it was built with a scale of 1in :10ft, then how tall is the real rocket?
*Monday, November 19, 2012 at 7:01pm*

**college algebra**

use the remainder theorem to find the remainder when f(x) is divided by x+2. then use the factor theorem to determine whether x+2 is a factor of f(x). f(x)=4x^6+36x^3+32 please show work
*Monday, November 19, 2012 at 6:59pm*

**college algebra**

use the rational zeros theorem to find all the real zeros of the polynomial function,. use the zeros to factor f over the real numbers. f(x)=11x^3-x^2+11x-1 please show all work
*Monday, November 19, 2012 at 6:55pm*

**algebra**

Factoring 12m^2n^2-8mn+1
*Monday, November 19, 2012 at 5:58pm*

**Intermediate Algebra**

You have been requested to display your family portrait in the lobby of the new Hampton inn in west Jordan it portrait measures x inches one side. and the other side is 2" longer than the other. the frame that surrounds the portraits is 2 inches wide. You are planning on...
*Monday, November 19, 2012 at 5:42pm*

**Intermediate Algebra**

A model rocket is launched from a height of 50 feet. the formula: h=-16t^2+70t+50 describes the rocket's height,h,in feet t seconds after it was launched. how long will it take the rocket to reach the ground.
*Monday, November 19, 2012 at 5:41pm*

**Algebra 1**

Solve 7x/3 < 2
*Monday, November 19, 2012 at 4:41pm*

**algebra**

finding slope from an equation y = -5/2x-5
*Monday, November 19, 2012 at 4:12pm*

**Algebra 1**

solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log
*Monday, November 19, 2012 at 3:33pm*

**Intermediate Algebra**

your house sits on a rectangular lot that has a perimeter of 320 feet. you want to fence the two sides and the back of your lot. your neighbor on the back end wants to have a concrete frence that costs $16 per foot. your side neighbors do not want such an expensive fence and ...
*Monday, November 19, 2012 at 3:33pm*

**Algebra**

Write expression as the logarithm of a single expression or number: ln(3x+2)+ln(x+4)
*Monday, November 19, 2012 at 2:54pm*

**Algebra**

length of a rectangle is 5y more than twice its width and area of the rectangle is 42 yards ^2, find the dimensions
*Monday, November 19, 2012 at 2:18pm*

**algebra 1**

how do you add equivalent fractions such as 7/20+3/9
*Monday, November 19, 2012 at 1:16pm*

**algebra**

What is (-2)^2 (-3)^2
*Monday, November 19, 2012 at 12:35pm*

**college algebra**

use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^3-8x^2-31x-22
*Sunday, November 18, 2012 at 11:47pm*

**pre algebra**

Your school is selling tickets for a band concert to raise money for a new gym. a. Each ticket costs $3.50. Write a variable expression for the money raised by selling t tickets. b. The band needs to use some of the money raised to pay for their new uniforms. Each new uniform ...
*Sunday, November 18, 2012 at 11:47pm*

**college algebra, Please help!!**

find a bound on the real zeros of the polynomial. f(x)=x^4+2x^3-8x-7 every real zero of f lies between -? and ? *pleasae show all work*
*Sunday, November 18, 2012 at 11:42pm*

**college algebra, Please help!!**

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=4x^3+3x^2-8x+7;[-5,-2] please show all work
*Sunday, November 18, 2012 at 11:31pm*

**college algebra**

form a polynomial f (x) with real coefficients having the given degree and zeros. degree 5; zeros 5; -i; -6+-i f(x)= a(?) Please show step by step work.
*Sunday, November 18, 2012 at 10:58pm*

**college algebra**

find the complex zeros of the polynomial function. write f in factored form. f(x)=x^3-10x^2+37x-52
*Sunday, November 18, 2012 at 10:53pm*

**algebra**

How to solve problem step by step 0.08x+0.09x
*Sunday, November 18, 2012 at 10:27pm*

**algebra**

Find the cost of a home in 20 years, assuming an annual inflation rate of 5%, if the present value of the house is $260,000.
*Sunday, November 18, 2012 at 9:43pm*

**ALGEBRA HELP OR I AM GONNA FAIL I CANT DO THIS**

compare two cell phone companies offers to see which is the better deal. Horizon Cell Phone Company Vertigo Cell Phone Company Base rate=$40 Plus every minute costs $0.05 vertigo company Base rate=$30 Plus every minute costs $0.07 Step 1: Write a linear equation of the form y1...
*Sunday, November 18, 2012 at 7:59pm*

**Algebra**

Ray and Stella are both given jobs by the same company. Ray is to be paid a basic salary of $3000 each month. He will get a raise of $100 after the first month and every month thereafter he will get a raise of $100 more than the preceding month. Stella will be paid a basic ...
*Sunday, November 18, 2012 at 6:50pm*

**Algebra**

Barbara and her husband take a trip on a highway, a distance of 600 miles. They intend to average 60 m.p.h. and take 10 hours. However, they take 11 hours due to construction. When they encounter the construction, they reduce their speed to 40 m.p.h. and proceed at this speed ...
*Sunday, November 18, 2012 at 6:35pm*

**Algebra**

Can you please help me with this? Convert 36.7 lbs/in(3) to kilograms per cm(3). (There are 14.59 kilograms in 32.174 pounds and 61.02 in(3) in 1000 cm(3)). Thank you!
*Sunday, November 18, 2012 at 4:54pm*

**algebra**

An investor invested a total of $2,600 in two mutual funds. One fund earned a 5% profit while the other earned a 3% profit. If the investor's total profit was $98, how much was invested in each mutual fund? The amount invested in the mutual fund that earned 5% was $ ? The ...
*Sunday, November 18, 2012 at 1:35pm*

**Algebra**

there are a 1000 tickets. Price for children's ticket is 6.5. Adult tickets are 9.5. total tickets sales are 8444. how many adult and children tickets are sold. Using binomials to solve. x+y = 16 (1 child + 1 Adult = 16) 6.5X + 9.5Y = 8444 6.5(16-y) + 9.5Y = 8444 What am I...
*Sunday, November 18, 2012 at 12:48pm*

**Algebra 2**

Can you double check my answer The lengths of the sides of a rectangular window have the ratio 1.6 to 1. The area of the window is 2,560 square inches. What are the dimensions of the window? (1 point) 50.6 inches by 50.6 inches 40 inches by 64 inches 40 inches by 80 inches <...
*Sunday, November 18, 2012 at 11:05am*

**algebra**

what are the real or imaginary solutios of the polynomial equation x^3-8=0 I came up with 1+i sgrt 3 and 1-i sgrt 3 could some see if I'm right
*Sunday, November 18, 2012 at 10:19am*

**algebra**

What are the zeros of the function? what are their multiplicities f(x)=4x^3-20x^2+24x numbers -3,-2,and 0 are multiplicity of 1 numbers 3,2,and 0 are multiplicity of 1
*Sunday, November 18, 2012 at 10:15am*

**algebra**

What is a polynomial function in standard form with zeroes 1,2,-3,and -3
*Sunday, November 18, 2012 at 10:02am*

**Algebra 2..**

Solve for x. 2^4x-1/2^3x+2=4
*Saturday, November 17, 2012 at 7:23pm*

**Physics (maybe it's just math)**

A sphere of copper is subjected to 89.7 MPa of pressure. The bulk modulus is 130 GPa. a) By what fraction does the volume of the sphere change? b) By what fraction does the radius of the sphere change? for a) I have dV/V = 0.00069 - this is correct. for b) the area I have 4/3 ...
*Saturday, November 17, 2012 at 3:11pm*

**algebra**

In an assembly line of a factory, which produces networking switching hubs, two robots are utilized. The first one (A) is able to produce 40 microchips per hour, whereas the second one (B) produces 30 microchips per hour. For a total production of 400 microchips, the two ...
*Saturday, November 17, 2012 at 12:14pm*

**pre-algebra**

Use algebra tiles to find the difference. Let one white tile equal +1and one black tile equal -1.6-(-9) Thanks
*Saturday, November 17, 2012 at 9:15am*

**pre-algebra**

atoms contain charged particles called protons and electrons. each proton has a charge of +1, and each electron has a charge of -1. A sulfur ion has 16 protons and 18 electrons. find the net charge. Thank-You
*Saturday, November 17, 2012 at 9:10am*

**pre- algebra 1**

Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?
*Saturday, November 17, 2012 at 8:49am*

**pre- algebra 1**

Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?
*Saturday, November 17, 2012 at 8:47am*

**pre- algebra 1**

Solve the inequality. 42<-6d
*Saturday, November 17, 2012 at 8:38am*

**Pre- Algebra 1**

Graph the solutions of the inequality on a number line. c<5
*Saturday, November 17, 2012 at 8:34am*

**Algebra**

Length of rectanngle is 1 cm more than width. If length of rectangle is doubled the area is increased by 30cm2. find dimensions of original rectangle.
*Saturday, November 17, 2012 at 6:10am*

**Algebra 2 ..........**

For the function P(t)=765(1.02)^t, what value is t when P(t) exceeds 1000? My answer: t=14
*Friday, November 16, 2012 at 11:04pm*

**College Algebra**

In an assembly line of a factory, which produces networking switching hubs, two robots are utilized. The first one (A) is able to produce 40 microchips per hour, whereas the second one (B) produces 30 microchips per hour. For a total production of 400 microchips, the two ...
*Friday, November 16, 2012 at 8:37pm*

**algebra**

An investor invested a total of $500 in two mutual funds. One fund earned a 8% profit while the other earned a 4% profit. If the investor's total profit was $32, how much was invested in each mutual fund? The amount invested in the mutual fund that earned 8% was? The ...
*Friday, November 16, 2012 at 7:15pm*

**algebra**

20+2x/5-x For what value of x is the rational expression below equal to zero?
*Friday, November 16, 2012 at 7:11pm*

**HELP ! Algebra**

Solve the quadratic equation by completing the square. (-x^2 + 6x + 10 = 0)
*Friday, November 16, 2012 at 3:04pm*

**HELP !!! Algebra 2 **

15. What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3} {y - x = 2}
*Friday, November 16, 2012 at 1:48pm*

**Algebra 2 **

Can you show your work please :/ 12. Use the quadratic formula to solve the equation. 4x2–6x–10=0 13. Simplify the number using the imaginary unit i. Square root of -16 14. Simplify the expression. -5+i/2i 15. What is the solution of the linear-quadratic system of ...
*Friday, November 16, 2012 at 12:46pm*

**algebra**

Does 6+5x=44
*Friday, November 16, 2012 at 10:47am*

**pre algebra**

Scrambled digits. 91.4 x 63.8 equals 748.84?
*Friday, November 16, 2012 at 6:41am*

**Algebra**

Jamie ran two laps around a track in 99 s. How long did it take him to run each lap if he ran the first lap at 8.5 m/s and the second at 8.0 m/s?
*Friday, November 16, 2012 at 2:13am*

**Algebra**

Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?
*Friday, November 16, 2012 at 2:10am*

**Algebra**

Jan can run at 7.5 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?
*Friday, November 16, 2012 at 2:10am*

**algebra**

y = 5x, solve for x
*Thursday, November 15, 2012 at 11:21pm*

**algebra**

the length of a rectangle is 2 less than twice the width. the perimeter is 50. what is the length
*Thursday, November 15, 2012 at 9:41pm*

**algebra**

the length of a rectangle is 2 less than twice the width. the perimeter is 50. what is the length
*Thursday, November 15, 2012 at 9:22pm*

**college algebra**

use the remainder theorem to find the remainder when f(x) is divided by x-2. Then use the factor theorem to determine whether x-2 is a factor of f(x). f(x)=4x^3-10x^2+13x-13
*Thursday, November 15, 2012 at 8:42pm*

**Algebra II - Word Problem**

If a car is traveling downhill at 45 miles per hour on dry pavement, then the braking distance B is B = 45/(0.4+m), where m<0 is the slope of the road. Find the slope of the road if the braking distance is 125 feet.
*Thursday, November 15, 2012 at 8:20pm*

**Algebra II - Word Problem**

A convenience store clerk can wait on 6 customers per minute. If customers arrive at an average rate of x people per minute, the time T spent in line is T = 1/(6-x), where 0<x<6 Find the waiting time if an average of 4.75 people arrive each minute.
*Thursday, November 15, 2012 at 8:09pm*

**Math - Pre algebra**

Help!!! 1. which of the following is greater than 4.3 x 10>9? a 2.1 x 10>9 b 3.2 x 10>9 c 5.3x 10>9 d 7.4 x 10>8 2. which of the following is less than 6.5 x 10>-5? a 1.4 x 10>-3 b 2.5 x 10-4 c 7.8 x 10-5 d 4.6 x 10>-6 according to the 2010 census the ...
*Thursday, November 15, 2012 at 7:43pm*

**Algebra II**

Five years ago, Jane was 1/5 the age of her mother. Now she is 1/3 the age of her mother. Find their ages. Please also tell me the steps to solving this. Thanks!
*Thursday, November 15, 2012 at 6:57pm*

**physics**

A body of mass m is attracted to a 11 kg mass 31.2cm away with a force magnitude of 6.42 x 10^-8 Find m? I am having trouble with the algebra getting m by it self just show me the steps if you can
*Thursday, November 15, 2012 at 6:55pm*

**college algebra--need help please!!**

(Using the seven steps to analyzing the rational function of R), analyze the graph of the following function. R(x)=x^2-49/x^4-16
*Thursday, November 15, 2012 at 6:12pm*

**college algebra**

find all the zero's of the followig polynomial. write the polynomial in form. f(x)=x^2-256
*Thursday, November 15, 2012 at 4:46pm*

**Algebra II**

A runner completes a 16 mile trip, running 8 miles uphill and 8 miles downhill in a total of 4 hours, if his uphill speed is 3 mph slower than his downhill speed, find his downhill speed.
*Thursday, November 15, 2012 at 2:03pm*

**algebra**

Write the expression in a single natural logarithm. 3 ln a - 0.5 (ln b + ln c^2)
*Wednesday, November 14, 2012 at 10:24pm*

**Algebra/Math**

A total of 504 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold . How many adult tickets were sold?
*Wednesday, November 14, 2012 at 9:28pm*

**algebra 2**

Passes through (1, 1) and perpendicular to y= -1/2x +4.
*Wednesday, November 14, 2012 at 8:12pm*

**college algebra, Please help!!**

which of the following best describes how the graph of f can be obtained from the graph of y=1/x^2? f(x)=14/x^2 choose the correct answer a.vertical stretch by a factor of -4 b. reflection over the y-axis, vertical shrink by a factor of 4 c. reflection over the x-axis, stretch...
*Wednesday, November 14, 2012 at 7:42pm*

**algebra**

Wind farms are a source of renewable energy found around the world. The power P(in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v(in meters per second) If a turbine generates 500kW in a 10m/s wind, how much power does it generate in a ...
*Wednesday, November 14, 2012 at 7:26pm*

**algebra**

find all zeros of the equation -3x^4+27x^2+1200=0 If someone could explain it would be helpful
*Wednesday, November 14, 2012 at 7:17pm*

**algebra**

find a quadratic equation with roots -1+4i and -1-4i If someone could explain it would help me understand
*Wednesday, November 14, 2012 at 7:15pm*

**algebra**

what is a quartic function with only the two real zeros given x=5 and x=1 y=-x^4-6x^3+6x^2-6x+5 y=x^4+6x^3-6x^2-5 y=x^4-6x^3+5x^2-6x+6 y=x^4-6x^3+6x^2-6x+5 can someone explain
*Wednesday, November 14, 2012 at 7:10pm*

**algebra**

a polynomial equation with rational coefficients has the roots 7+sgrt3, 2-sgrt6 find two additional roots 7-sgrt3, 2+sgrt6 3-sgrt7, 6+sgrt2 7+sgrt3, 2-sgrt6 3+sgrt7, 6=sgrt2 could someone help
*Wednesday, November 14, 2012 at 7:06pm*

**algebra**

The table shows the amount of milk that Wisconsin dairy farms produced from 1940 to 1997. Use linear model to estimate milk production in 1990. year milk produced 1940 7 1972 7 1997 8 15.1 12.5 7.5 2.5
*Wednesday, November 14, 2012 at 7:03pm*

**algebra**

which polynomial has a graph that passes through the given points? (-3,10),(-1,0),(0,-5),(3,52). y=x^3-4x^2+2x-5 y=x^3+4x^2-2x-5 y=x^3+4x^2+2x-5 y=x^4+4x^3-2x^2-5x If someone could walk me through I'd be thankful
*Wednesday, November 14, 2012 at 7:01pm*

**Pre-Algebra**

A bag contains 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white to striped golf balls to remain the same. How many of each should he add?
*Wednesday, November 14, 2012 at 6:58pm*

**Pre-Algebra**

A bag contains 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white to striped golf balls to remain the same. How many of each should he add?
*Wednesday, November 14, 2012 at 6:56pm*

**college algebra, Please help!!**

the graph of y=1/3 3square root x+5 can be obtained from the graph of y=3square root x by which transformations? Horiztonal shift: a. 5 units to the left b. 3 units to the right c. 3 units to the left d. 5 units to the right By what factor of y=3 square root x be stretched or ...
*Wednesday, November 14, 2012 at 5:28pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**algebra**

Y^2-y-6
*Wednesday, November 14, 2012 at 5:11pm*

**college algebra**

use completeing the square to describe the graph of f(x)=4-16x-x^2 support your answers graphically
*Wednesday, November 14, 2012 at 5:06pm*

**college algebra**

find the intercept of the equation (x+6)^2(x-1)^2 does this crosses the x axis the smaller or touches the x axis or does it touch at the larger x intercept or crosses the larger
*Wednesday, November 14, 2012 at 3:45pm*

**collge algebra**

state the domain, range,the asymptotes fx =6-1/(x+5)^2
*Wednesday, November 14, 2012 at 3:36pm*

**cllege algebra**

determine the qudratic function whose vertex is (2,-4) and passes through (3,-1) fx=
*Wednesday, November 14, 2012 at 3:31pm*

**algebra **

In ten years a child will be 3 years older than twice her current age. What is the current age of the child
*Wednesday, November 14, 2012 at 3:24pm*

**college algebra**

q(x)=3x^2-11x-4/5x^2-16x-16 what are the oblique horizontal vertical asyptote
*Wednesday, November 14, 2012 at 3:20pm*

**college algebra**

determine the quadratic function f whose vertex is (2,-4) and passes through (3,-1) f(x)= what? type answer in form of f(x)=ax^2+bx-c
*Wednesday, November 14, 2012 at 2:47pm*

**Algebra 1**

Christopher orders a 3 topping pizza for $15.25 and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain pizza( no toppings) and the cost of each topping.
*Wednesday, November 14, 2012 at 1:54pm*

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