bio_man

The Whitt Window Company is a company with only three employees which makes two different kinds of h

The Whitt Window Company is a company with only three employees which makes two different kinds of h

The Whitt Window Company is a company with only three employees which makes two different kinds of hand-crafted windows: a wood-framed and an aluminum-framed window. They earn $60 profit for each wood- framed window and $30 profit for each aluminum-f

bio_man   39   1 Reply

shangshang

A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid so

A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid so

A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid solution so that his resultant mixture is 80 ̅ ml of a 22% acid solution.  What volume of the 15% acid solution and 25% acid solution is required?

presidente   205   1 Reply

5 / 5

bolbol

Let A and B be invertible n×n matrices. Find a formula for A...

Let A and B be invertible n×n matrices. Find a formula for A...

Let A and B be invertible n×n matrices. Find a formula for A-1 in terms of B if:

\(\left(3A^TB-I\right)^{-1}=\left(A^{-1}B\right)^T\)

Your formula should be simplified and should not depend on A.

lwong23   44   1 Reply

Yeah.Yeah.

Assume that A is an m×n matrix and B is an n×m matrix where m≠n. Prove that if AB=I_m

Assume that A is an m×n matrix and B is an n×m matrix where m≠n. Prove that if AB=I_m

Assume that A is an m×n matrix and B is an n×m matrix where m≠n. Prove that if AB=Im, then rank(B)=m.

lwong23   52   1 Reply

Yeah.Yeah.

In order to encourage Canadians to avoid cross border shopping, Walmart Canada is striving to keep t

In order to encourage Canadians to avoid cross border shopping, Walmart Canada is striving to keep t

In order to encourage Canadians to avoid cross border shopping, Walmart Canada is striving to keep the price of electronics in Canada equivalent to the price of electronics in its US stores before taxes. If a gaming console is sold for $649 in US sto

Samuel Adebola   121   1 Reply

scavanger411

Runner Y leaves the starting line at 12:00. Five minutes later runner X leaves from the same place a

Runner Y leaves the starting line at 12:00. Five minutes later runner X leaves from the same place a

Runner Y leaves the starting line at 12:00. Five minutes later runner X leaves from the same place and catches up to runner Y at 12:07. Four minutes later, runner X is one hundred metres ahead of runner Y. What is the speed of each runner in m/s?

presidente   457   8 Replies

5 / 5

gagaggaa

How to solve this sum

How to solve this sum

A hitch and trailer listed at $2149.00 has a net price of 1360.00 what is the rate of discount

Tanveer Kaur Gosal   174   2 Replies

School MGConnor

Hank Wilkins invested $4200 in a mutual fund containing bonds.

Hank Wilkins invested $4200 in a mutual fund containing bonds.

Hank Wilkins invested $4200 in a mutual fund containing bonds. Find the given rate that he earned $267.75 in 270 days.
a. 8.5%
b. 8.8%
c. 7.5%
d. 8.0%

Lakber Mand   142   2 Replies

Lakber Mand

After 159 days,she paid a maturity value of $11,626, which included interest of $814.

After 159 days,she paid a maturity value of $11,626, which included interest of $814.

Jane Clark borrowed some money from her bank. after 159 days,she paid a maturity value of $11,626, which included interest of $814. find the interest rate on her loan.

Lakber Mand   130   3 Replies

bio_man

Quadratic Equation

Quadratic Equation

Solve the equation

JamIYOU   246   6 Replies

5 / 5

jhonalbert

If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for $3327

If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for $3327

If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for $3327 to increase by $3799?

Anmol Kaur1   323   1 Reply

bio_man

A square matrix P is called a permutation matrix if each row and column of P contains exactly one 1

A square matrix P is called a permutation matrix if each row and column of P contains exactly one 1

please solve the above ques. as soon as possible

devansh   118   1 Reply

rhwyatt

Graph this quadratic funcPLtion

Graph this quadratic funcPLtion

Please include a clear picture!

Graph the function. Then use the graph to solve the quadratic equation.

p(x) = 3x^2 + 5x - 2 and 3x^2 + 5x - 2 = 0

Lala JJJ   175   3 Replies

bio_man

How do you manipulate the equation so you isolate m on one side( show steps pls)

How do you manipulate the equation so you isolate m on one side( show steps pls)

Question: (mn/p)=6

321   126   1 Reply

bio_man

Linear Equations

Linear Equations

For what temperature will the fahrenheit and centigrade readings be the same?

JamIYOU   126   2 Replies

5 / 5

Zlovespigs

Computing the Cube root of a decimal number manually.

Computing the Cube root of a decimal number manually.

In general, it will be difficult to compute the cube root of a decimal number manually?

More the precision of a decimal number, More the Harder?

Examples :

48.70

72.14

93.65

156.3451

prashantakerkar   131   1 Reply

duddy

Families of straight lines question

Families of straight lines question

I'm struggling with the logic of the below question.

[/url

diskwad3   218   3 Replies

5 / 5

bio_man

Factoring Polynomials

Factoring Polynomials

How would I factor this?
X^3-(2y-3z)^3

JamIYOU   98   1 Reply

bio_man

Factoring Polynomials

Factoring Polynomials

Please help me again on answering this, I am so confused (

X^3-(2y-3z)^3

JamIYOU   114   1 Reply

bio_man

Factoring Polynomials

Factoring Polynomials

What is the factor of this? Please help me I'm practicing on factoring
1.) a^3-6a^2b+12ab^2-8b^2
2.) x^3+y^3+3x+3y

JamIYOU   107   2 Replies

bio_man

Factoring Polynomials

Factoring Polynomials

Please help me factoring this
1.) x^5+32y^5
2.) (a+b)^3-c^3
3.) x^3-(2y-3z)^3

JamIYOU   111   3 Replies

bio_man

Reducing index of Radicals

Reducing index of Radicals

 please help me answering this because I am not sure with my answers. Thank you!

JamIYOU   99   1 Reply

bio_man

Reducing the index of radicals

Reducing the index of radicals

I became confused again, please help me answering this because I am not sure with my answers. Thank you!

JamIYOU   129   1 Reply

5 / 5

bio_man

Reducing the index of Radicals

Reducing the index of Radicals

Please help me on answering these questions because I am so confused. I already have an answer but I'm not sure if it's correct. Thank you so much!

JamIYOU   121   5 Replies

bio_man

Find the root of the following polynomial

Find the root of the following polynomial

2x^4 - x^3 +9x^2 +4x +4 =0

Note: All of the roots are complex numbers

Rafae   98   1 Reply

bio_man

Find the value of k so that 25n^2-kp will hve the factos (5n+9p)(5n-9p)

Find the value of k so that 25n^2-kp will hve the factos (5n+9p)(5n-9p)

Quadratic Descriminant to find K

Mc2   93   1 Reply

bio_man

College Algebra (Regression Project Equation) how to find linear, exponential model?

College Algebra (Regression Project Equation) how to find linear, exponential model?

Depend on the chart, how to find linear and exponential model? Round to the Nearest Thousandths.
 
(i attached 3 files)

cysh010   189   7 Replies

bio_man

The angle of elevation of a ladder leaning against a wall is 60 degrees and the foot of the ladder

The angle of elevation of a ladder leaning against a wall is 60 degrees and the foot of the ladder

The angle of elevation of a ladder leaning against a wall is 60 degrees and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is ___ m.

ryann   135   2 Replies

5 / 5

ryann

A man's speed with the current is 15 km/hr and the speed of the current

A man's speed with the current is 15 km/hr and the speed of the current

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is ___ km/hr.

ryann   123   2 Replies

5 / 5

ryann

Do these equations represent the same line

Do these equations represent the same line

y+3 = (x-8)   point slope form
y = -3/4x + 3 slope intercept form
3x + 4y = 12 standard form

whill40   113   1 Reply

5 / 5

bio_man

I don't even know where to start with this. This is for my Management Science class.

I don't even know where to start with this. This is for my Management Science class.

Costal Cup Company wants to determine how many cases of large and small cups should be produced per day in order to maximize profit given the labor and material constraints. The unit profit value for large cups is $30 per case, for small cups the uni

mz.mocha@yahoo.   300   4 Replies

5 / 5

Megan Michel

If 12 men can do 36 computers in 7 hours.How many men will it take to make 36 computers in 14 hours

If 12 men can do 36 computers in 7 hours.How many men will it take to make 36 computers in 14 hours

I need to answer this.We're having a contest tomorrow and I can't still find the answer.Please teach me the method.

Erson   287   1 Reply

bio_man

The table below shows the amount of new solar power installed in the US for various years.

The table below shows the amount of new solar power installed in the US for various years.

The table below shows the amount of new solar power installed in the US for various years.

Amount of New solar power | Installed (megawatts)

a. Find an appropriate modeling equation.

b. Explain the meanings of the

xiaotong   270   1 Reply

bio_man

Find an appropriate modeling equation.

Find an appropriate modeling equation.

For each Of the problems below, choose an appropriate modeling type and find the modeling equation using calculator as much as you like, but explain your process part of your solution.
 
1. A small firm collected data on its advertising ex

xiaotong   195   1 Reply

bio_man

Write a modeling equation that gives the population P in the year that is t years after 2010.

Write a modeling equation that gives the population P in the year that is t years after 2010.

The population of an endangered species was 22,500 in 2010. The population is decreasing at a rate of 6% per year.
a. Write a modeling equation that gives the population P in the year that is t years after 2010.
b. Assuming that the model

xiaotong   205   2 Replies

bio_man

Rules regarding FRACTIONS

Rules regarding FRACTIONS

Can anyone explain when to use or how to use this rules that I attached ? I'm having a hard time deciding what to apply

Deckz   196   2 Replies

Deckz

How to simplify: 2√(√x) times 2√ x

How to simplify: 2√(√x) times 2√ x

\(2\sqrt{\sqrt{x}}\cdot 2\sqrt{x}\)

First, we change to fractional exponents:

\(2\left(x^{\frac{1}{2}}\right)^{\frac{1}{2}}\cdot 2\left(x\right)^{\frac{1}{2}}\)

Multiply the 2

bio_man   212   1 Reply

5 / 5

Kevin666

The sum of the digits of a two-digit number is 12. When the digits are reversed, the number is incre

The sum of the digits of a two-digit number is 12. When the digits are reversed, the number is incre

The sum of the digits of a two-digit number is 12. When the digits are reversed, the number is increased by 18. Find the number.

presidente   237   2 Replies

5 / 5

sbear056

The sum of two numbers is twenty-one and their difference is fifteen. What are the numbers?

The sum of two numbers is twenty-one and their difference is fifteen. What are the numbers?

The sum of two numbers is twenty-one and their difference is fifteen. What are the numbers?

presidente   171   1 Reply

5 / 5

bio_man

A chemist has two acid solutions, one that contains 14.0% acid and another with 27.0% acid. How many

A chemist has two acid solutions, one that contains 14.0% acid and another with 27.0% acid. How many

A chemist has two acid solutions, one that contains 14.0% acid and another with 27.0% acid. How many litres of each must be mixed to make 250 litres of solution containing 17.64% acid?

presidente   328   1 Reply

bio_man