bio_man

1.4.4 Practice: Modeling: Solving Inequalities

1.4.4 Practice: Modeling: Solving Inequalities

YOUR ASSIGNMENT: Difference of 10
Erik and Nita are playing a game with numbers. In the game, they each think of a random number from 0 to 20. If the difference between their two numbers is less than 10, then Erik wins. If the difference between

h3lluva   144   1 Reply

habiba

A 10.0 kg mass and a 19.5 kg mass are hung from either end of a bar of negligible weight. If the 10.

A 10.0 kg mass and a 19.5 kg mass are hung from either end of a bar of negligible weight. If the 10.

A 10.0 kg mass and a 19.5 kg mass are hung from either end of a bar of negligible weight. If the 10.0 kg is increased to 12.0 kg, the balance point shifts by 16.2 cm. How long is the bar?

presidente   211   N/A

presidente

A certain number has three digits and the sum of those digits 12. When the number is divided by the

A certain number has three digits and the sum of those digits 12. When the number is divided by the

A certain number has three digits and the sum of those digits 12. When the number is divided by the number formed by the hundreds and the ones digits, the answer equals 11. In addition, the sum of the hundreds and the tens digits is 10 bigger than th

presidente   240   N/A

presidente

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   441   1 Reply

bio_man

A horizontal beam of negligible weight is simply supported at each end by columns. When a vertical l

A horizontal beam of negligible weight is simply supported at each end by columns. When a vertical l

A horizontal beam of negligible weight is simply supported at each end by columns. When a vertical load as placed on a beam 1.00 m from the left end, the vertical upward reaction is the right column
is 62.5 N. When the load is increased by 40.0

presidente   225   N/A

presidente

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   383   1 Reply

bolbol

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   228   2 Replies

ryann

A person invested $5,200, part in bonds bearing 5.9% interest and the remainder in bonds bearing 7.6

A person invested $5,200, part in bonds bearing 5.9% interest and the remainder in bonds bearing 7.6

A person invested $5,200, part in bonds bearing 5.9% interest and the remainder in bonds bearing 7.6% interest. Both investments paid the same amount after the same period of time. How much, to the nearest dollar, was invested in each?

presidente   187   1 Reply

Aliya1

A projectile is launched from height ho above the ground. Its height (metres) after t seconds is giv

A projectile is launched from height ho above the ground. Its height (metres) after t seconds is giv

A projectile is launched from height ho above the ground. Its height (metres) after t seconds is given by s = kt^2 + v0t + ho where k is a constant, v0 is the initial velocity. If the height at 1.0 s is 7.75 m and the height at 1.5 s is 6.625 m, and

presidente   283   N/A

presidente

A projectile is launched from the ground. Its height (metres) after t seconds is given by s = kt2 +

A projectile is launched from the ground. Its height (metres) after t seconds is given by s = kt2 +

A projectile is launched from the ground. Its height (metres) after t seconds is given by s = kt2 + v0t where k is a constant, v0 is the initial velocity. If the height at 1.0 s is 8.7 m and the height at 1.5 s is 7.625 m, determine the height at tim

presidente   266   N/A

presidente

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   250   1 Reply

rhwyatt

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   329   3 Replies

bio_man

Algebra rate problem creating equations then solving

Algebra rate problem creating equations then solving

A train departs at noon travelling at a speed of 64 km/h. A car leaves the same station 1/2 h later to overtake the train, travelling on a road parallel to the track. If the cars speed is 96 km/h, at what time and at what distance from the station wi

Goalchi   176   1 Reply

duddy

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   181   1 Reply

Yeah.Yeah.

Cant find a answer or video that explains it

Cant find a answer or video that explains it

Determine the domain of the following function.
𝑔(𝑥) = cos(𝑥 − 𝑎) + 𝑏

Joseph n   64   2 Replies

Anonymous

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   301   7 Replies

bio_man

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   236   1 Reply

duddy

Converting verbal statements into algebraic equations

Converting verbal statements into algebraic equations

A person invests part of his $10 000 savings in a bank at 6%, and part in a certificate of deposit at 8%, both simple interest. He gets a total of $750 per year in interest from the two investments. How much is invested at each rate?

How

Goalchi   165   1 Reply

duddy

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   219   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   227   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   252   3 Replies

bio_man

Factoring Polynomials

Factoring Polynomials

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

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

JamIYOU   255   1 Reply

bio_man

Factoring Polynomials

Factoring Polynomials

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

JamIYOU   214   1 Reply

bio_man

Families of straight lines question

Families of straight lines question

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

[/url

diskwad3   399   3 Replies

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   304   1 Reply

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   213   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   197   1 Reply

bio_man

For how long has to do a payment of a loan

For how long has to do a payment of a loan

For how long will Harold have to make payments of $550.00 at the end of every three months to repay a loan of $16, 900.00 if interest is 9% compounded monthly?

Anonymous   139   1 Reply

Anonymous

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   317   3 Replies

bio_man

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   328   2 Replies

Lakber Mand

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   256   1 Reply

bio_man

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   323   1 Reply

Kevin666

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   484   3 Replies

Cynthia Wang

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.   432   4 Replies

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   394   1 Reply

bio_man

If the width of a rectangle is increased by 4 and the length increased by 1, the area increases by 6

If the width of a rectangle is increased by 4 and the length increased by 1, the area increases by 6

If the width of a rectangle is increased by 4 and the length increased by 1, the area increases by 62. If instead the width is increased by 2 and the length decreased by 3, the area decreases by 12. Find the original dimensions.

presidente   226   N/A

presidente

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   866   1 Reply

bio_man

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   283   1 Reply

scavanger411

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   184   1 Reply

Yeah.Yeah.

Linear algebra circuit problem

Linear algebra circuit problem

I think this is a simple circuit problem but I can't get it at all.
Here's the question:

"the resistance and voltages in the figure take the values shown below. Determine all three circuits."

Please help

Nhật Nguyễn1   124   2 Replies

Anonymous