bio_man

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   63   2 Replies

Anonymous

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

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

Need Help with this Question

Need Help with this Question

A DC electric motor is connected to a wheel via a gearbox. The aim is to find when to engage
the gear so that the torque at the wheel is always the largest possible.
On its own, the motor generates a torque 𝑀 (Ω) (in Nm) that depend

Joseph n   139   1 Reply

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   143   1 Reply

habiba

Word statement to algebraic expression

Word statement to algebraic expression

How many tons of chromium must be added to 2.50 tons of stainless steel to raise the percent of chromium from 11% to 18%?

Goalchi   157   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

Verbal statements to algebraic equations

Verbal statements to algebraic equations

A horizontal uniform beam of negligible weight is 6.35 m long and is supported by columns at either end. A concentrated load of 525 N is applied to the beam. At what distance from one end must this load be located so that the vertical reaction at tha

SIN   166   1 Reply

ccnastopoulos

There is a fraction such that if 5 is subtracted from the numerator, its value will be 1/4, and if 7

There is a fraction such that if 5 is subtracted from the numerator, its value will be 1/4, and if 7

There is a fraction such that if 5 is subtracted from the numerator, its value will be 1/4, and if 7 is added to the denominator, its value will be 1/3. What is the fraction?

presidente   172   1 Reply

Aliya1

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

Anonymous   172   1 Reply

shangshang

Whay would the trade discount on a bicicyle thst list for 80.95 if a discoumt rate% is offered round

Whay would the trade discount on a bicicyle thst list for 80.95 if a discoumt rate% is offered round

What would the trade discount on a bicycle that lists for 80.95 if a discount rate of 15% is offered. Rounded to the nearest cent

Benabena1   173   1 Reply

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

Solving rate problems with fractional equations

Solving rate problems with fractional equations

Crew A can assemble 2 cars in 5 days, and Crew B can assemble 3 cars in 7 days. If both crews together assemble 100 cars, with Crew B working 10 days longer than Crew A, how many days must each crew work?

SIN   177   1 Reply

jdiaz197

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   180   1 Reply

Yeah.Yeah.

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   183   1 Reply

Yeah.Yeah.

Rate problems containing fractions

Rate problems containing fractions

A small hydroelectric generating station can produce 61 gigajoules (GJ) of energy per year. After 4.0 months of operation, another generator is added which, by itself, can produce 39 GJ in 5.0 months. How many additional months are needed for a total

SIN   186   1 Reply

shaerovira

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   186   1 Reply

Aliya1

The difference of two numbers is 54 and the smaller is to the larger as one is to three.

The difference of two numbers is 54 and the smaller is to the larger as one is to three.

The difference of two numbers is 54 and the smaller is to the larger as one is to three. What are the numbers?

Bandana Kaumar   194   1 Reply

bolbol

The sum of two numbers is 67. The quotient of the greater divided by the smaller number is 7 with re

The sum of two numbers is 67. The quotient of the greater divided by the smaller number is 7 with re

The sum of two numbers is 67. The quotient of the greater divided by the smaller number is 7 with remainder 3. Determine the two numbers.

presidente   196   N/A

presidente

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   196   1 Reply

bio_man

The sum of the digits of a certain three-digit number is nine. The sum of the hundreds and the tens

The sum of the digits of a certain three-digit number is nine. The sum of the hundreds and the tens

The sum of the digits of a certain three-digit number is nine. The sum of the hundreds and the tens digits is equal to the ones digit minus one. The number, divided by nine, equals three times the ones digit. What is the number?

presidente   207   N/A

presidente

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

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

Factoring Polynomials

Factoring Polynomials

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

JamIYOU   214   1 Reply

bio_man

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

Reducing index of Radicals

Reducing index of Radicals

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

JamIYOU   224   1 Reply

bio_man

Number A divided by number B equals one-fourth. Number B divided by number A equals two times number

Number A divided by number B equals one-fourth. Number B divided by number A equals two times number

Number A divided by number B equals one-fourth. Number B divided by number A equals two times number A. What are the two numbers?

presidente   225   1 Reply

Aliya1

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   225   N/A

presidente

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

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   226   2 Replies

bio_man

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

Match Each Equation To Its Equivalent Equation In Slope-Intercept Form

Match Each Equation To Its Equivalent Equation In Slope-Intercept Form

Match each equation to its equivalent equation in slope-intercept form.

1. y + 6 = 3(x + 2)                                          &

mandoguy   231   1 Reply

bio_man

Solve the equation for x: (3x−5)/2=(2(x−1))/3+4/1

Solve the equation for x: (3x−5)/2=(2(x−1))/3+4/1

Solve the equation for x:

(3x−5)/2=(2(x−1))/3+4/1

please don't just give me the answer, can you show me how to do it. Thanks

Karamveersingh   231   1 Reply

bolbol

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

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   239   5 Replies

bio_man

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

Linear Equations

Linear Equations

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

JamIYOU   249   2 Replies

Zlovespigs

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

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   251   3 Replies

bio_man

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   253   1 Reply

bio_man