Mathematics

[Notes] - Amazing Trigonometric Identities Cheat-sheet

[Notes] - Amazing Trigonometric Identities Cheat-sheet

Hope this helps.

12

padre   4250   15 Replies

krispykreme36

Taking an Online Math Course? We Can Help

Taking an Online Math Course? We Can Help

Nearly every field of study requires math in some way or another. Whether it be in business, nursing, or agriculture, let’s face it – mathematics is found everywhere.

But we know the strain that this can cause you, especially when you have

Biology Forums   819   1 Reply

INEEDHELPFAST

[Software] - Virtual TI Calculator Software (TI-83, 92, etc).

[Software] - Virtual TI Calculator Software (TI-83, 92, etc).

Very rare software, hope you'll enjoy it.

duddy   2921   1 Reply

feadees

Matrices Questions

Matrices Questions

Need help, all information is in the uploaded photo.

Transcribed

A lamp of weight \(W = 50(1 + \sqrt(3))\) N is fixed to a wall by a two-bar truss with forces F1 and F2 exerting at the lamp attachment point as shown in the figur

Anonymous   63   4 Replies

fgarza2146

Gaussian Elimation

Gaussian Elimation

Need help with Gaussian Elimination questions as i dont understand how it works, videos would be great as well.

Find the indicated inverse matrix using Gaussian elimination on the augmented matrix.

Anonymous   58   3 Replies

Anonymous

Lauren's gross pay for July was $3188.35 on net sales totalling $88,630. If her base salary is ...

Lauren's gross pay for July was $3188.35 on net sales totalling $88,630. If her base salary is ...

Lauren's gross pay for July was $3188.35 on net sales totalling $88,630. If her base salary is $1000 per month, what is her rate of commission on sales exceeding her monthly quota of $40,000? (Round to the nearest 0.01%)

bigben0007   99   2 Replies

Anonymous

Transformation of Matrices

Transformation of Matrices

How does it transform? little confused

transcribed

Find the matrix M that perform the following space transformations. Based on the determinant |M|, mention whether the transformation shrinks or expands areas, and whether it inv

Anonymous   50   2 Replies

Anonymous

Joy and John have a total of $10.00 to buy popcorn for 10 people.

Joy and John have a total of $10.00 to buy popcorn for 10 people.

Joy and John have a total of $10.00 to buy popcorn for 10 people. They are trying to decide which size popcorn gives the best value.

1. Complete the table to summarize what you know about each student's position. (2 points: 1 point fo

h3lluva_   1115   8 Replies

pdne114

Matrices Question

Matrices Question

I know the answer of the first part is the first matrix, but im unsure on how to do the second part.

transcibed

Assessment (Portfolio Week 5): Problem-solving exercise
Submit your answer to this question on your Week 6 wor

Anonymous   49   1 Reply

Anonymous

The monthly premium on a five-year insurance policy is $25 payable in advance. What is the economic ...

The monthly premium on a five-year insurance policy is $25 payable in advance. What is the economic ...

The monthly premium on a five-year insurance policy is $25 payable in advance. What is the economic value today of the premium payments if money is worth 14% compounded monthly?

▸ $1074.43

▸ $2180.02

▸ $1086.96

▸ $2154.88

▸ $1157.75

usha   231   4 Replies

bio_man

Calculate the present value of a perpetuity that will pay out $1,500 every month and the first ...

Calculate the present value of a perpetuity that will pay out $1,500 every month and the first ...

[html]Calculate the present value of a perpetuity that will pay out $1,500 every month and the first payment is to be made 10 years from now. The interest rate earned is 9% compounded annually.

▸ $81,587

▸ $82,199

▸ $92,761

▸ $88,546

▸ $87,913[/

BigFella9503   192   2 Replies

Anonymous

Commission Question

Commission Question

Richard works as an auto mechanic and earns a following commission rates:3.00% for oil changes,5.00% for tune-ups, and 6.25% on Auto parts sales. He is guaranteed a minimum salary of $2,450 per month. Last month he brought in $2500 in oil changes,$45

Anonymous   44   1 Reply

bio_man

Vectors Question

Vectors Question

To control the roll of an airplane (rotation about the x-axis in the figure below), the ailerons are normally actioned in opposite directions on each wing. Engineers in charge of dimensioning the wing are assessing what would happen if one of aileron

Anonymous   107   2 Replies

bio_man

A $50 000.00, 5-year note bearing interest at 3.25% compounded quarterly, discounted three and a ...

A $50 000.00, 5-year note bearing interest at 3.25% compounded quarterly, discounted three and a ...

A $50 000.00, 5-year note bearing interest at 3.25% compounded quarterly, discounted three and a half years after the date of issue at 2.5% compounded monthly. Find the proceeds.
A) $48 161.60
B) $56 622.44
C) $58 783.81
D) $42 52

gewusel   194   4 Replies

Anonymous

Consider the two-link robot linkage

Consider the two-link robot linkage

Consider the two-link robot linkage in the figure below, where 𝑂 is a fixed pivot point, and 𝐴
an elbow. The aim is to find how to program the linkage system such that the extremity 𝐵 is
constrained to the line w

joshephn   120   3 Replies

bio_man

You signed a $19,000, two-year promissory note bearing interest at 13% compounded semiannually to ...

You signed a $19,000, two-year promissory note bearing interest at 13% compounded semiannually to ...

[html]You signed a $19,000, two-year promissory note bearing interest at 13% compounded semiannually to help pay for your college education. At the one year mark, the promissory note was sold for $22,925. What monthly compounded discount rate was use

Jennthejelly   93   2 Replies

Anonymous

The proceeds from the sale of a $3500 four-year promissory note bearing interest at 5% compounded ...

The proceeds from the sale of a $3500 four-year promissory note bearing interest at 5% compounded ...

The proceeds from the sale of a $3500 four-year promissory note bearing interest at 5% compounded quarterly were $3612.31. The note was discounted to yield 6.8% compounded semiannually. How many months before maturity was the note sold?

jarzola   84   2 Replies

Anonymous

The proceeds from the sale of a $4500 five-year promissory note bearing interest at 9% compounded ...

The proceeds from the sale of a $4500 five-year promissory note bearing interest at 9% compounded ...

[html]The proceeds from the sale of a $4500 five-year promissory note bearing interest at 9% compounded quarterly were $6055.62. To the nearest month, how long before its maturity date was the note sold if it was discounted to yield 10.5% compounded

rosenrot   78   2 Replies

Anonymous

When discounted to yield 9.5% compounded quarterly, a $4500 four-year promissory note bearing ...

When discounted to yield 9.5% compounded quarterly, a $4500 four-year promissory note bearing ...

[html]When discounted to yield 9.5% compounded quarterly, a $4500 four-year promissory note bearing interest at 11.5% compounded semiannually was priced at $5697.84. To the nearest month, how long after the issue date did the discounting take place?[

sunnisam   86   2 Replies

Anonymous

When discounted to yield 10.5% compounded monthly, a $2600 three-year promissory note bearing ...

When discounted to yield 10.5% compounded monthly, a $2600 three-year promissory note bearing ...

[html]When discounted to yield 10.5% compounded monthly, a $2600 three-year promissory note bearing interest at 12.25% compounded annually was priced at $3283.57. To the nearest month, how long after the issue date did the discounting take place?[/ht

zer0latency   106   3 Replies

bio_man

Significant figures question

Significant figures question

The mass of an iron sphere has an accepted value of 23.15 g. Five students collected three measurements of the mass of the sphere. Which set of results can be considered precise, but not accurate?

24.14 g; 22.95 g; 22.87 g 
23.16

qwert33   50   1 Reply

Anonymous

A series of payments of $900 are being made at the end of each year for the next 8 years. What is ...

A series of payments of $900 are being made at the end of each year for the next 8 years. What is ...

A series of payments of $900 are being made at the end of each year for the next 8 years. What is the future value 8 years from now, if money can earn 9% compounded semi-annually?
A) $9999
B) $30 220
C) $77 200
D) $14 346
E)

Lada   164   3 Replies

bio_man

For the vector in the following figure, write the components along the 𝑥 and 𝑦 axes

For the vector in the following figure, write the components along the 𝑥 and 𝑦 axes

For the vector in the following figure, write the components along the 𝑥 and 𝑦 axes. Note:
∥𝒘∥ = 2.
Hint: Check the sign of the components and use sin(45◦) = cos(45◦) =√2/2

Joseph N   49   2 Replies

bio_man

Determine the vector equation of the line that passes through (−1, 1) and (1, 2).

Determine the vector equation of the line that passes through (−1, 1) and (1, 2).

Determine the vector equation of the line that passes through (−1, 1) and (1, 2).
Hint: Find 𝒓 (𝑡) =𝑂𝑃(𝑡), the position vector of a variable point on the line, where 𝑡 is a
parameter.

Joseph N   39   1 Reply

bio_man

What amount will Jasmine need in her Retirement Plan on the day she retires if she wants to receive ...

What amount will Jasmine need in her Retirement Plan on the day she retires if she wants to receive ...

[html]What amount will Jasmine need in her Retirement Plan on the day she retires if she wants to receive $3,500 at the beginning of every month for 24 years and the plan earns 6% compounded monthly?

▸ $237,596

▸ $356,897

▸ $485,219

▸ $536,222

▸

vanessavz   256   4 Replies

bio_man

Red Deer City Council has committed to investing $200,000 into a New Minor Hockey Arena Fund at the ...

Red Deer City Council has committed to investing $200,000 into a New Minor Hockey Arena Fund at the ...

[html]Red Deer City Council has committed to investing $200,000 into a New Minor Hockey Arena Fund at the beginning of every quarter for the next seven years. The Fund is expected to earn 8% compounded quarterly. What will be the value of the fund at

extrl83   160   2 Replies

Anonymous

The monthly lease payments on a new car are $517.44 for seven years. The first payment is payable ...

The monthly lease payments on a new car are $517.44 for seven years. The first payment is payable ...

[html]The monthly lease payments on a new car are $517.44 for seven years. The first payment is payable today. Using an interest rate of 10.8% compounded monthly, what is the value of the lease?

▸ $30,680

▸ $29,773

▸ $17,894

▸ $33,989

▸ $65,120[

reync89   115   2 Replies

Anonymous

Simple math (the wording is confusing me)

Simple math (the wording is confusing me)

3. A team of clothing workers had an output of 1,000 uniforms per week. This
output was increased by 20%, which demanded an increase of 50 uniforms per worker.
How many workers are there on the team?
(A) 4 (B) 15 (C) 20 (D) 24

S.v   97   3 Replies

S.v

How long will it take $1050.00 to accumulate to $1144.00 at 6% p.a. compounded quarterly?

How long will it take $1050.00 to accumulate to $1144.00 at 6% p.a. compounded quarterly?

How long will it take $1050.00 to accumulate to $1144.00 at 6% p.a. compounded quarterly?

State your answer in years and months (from 0 to 11 months).

The investment will take ___ year(s) and ___ month(s) to mature.

Anonymous   130   2 Replies

SUMANDEEP KAUR2

Check that the following function is invertible

Check that the following function is invertible

Check that the following function is invertible over the specified domain using a plot and the
horizontal line test, then find the formula for the inverse.
𝑓 (𝑥) = exp(𝑥^2), D: 𝑥 ⩾ 0

James F   64   1 Reply

bio_man

Use log rules to solve the following equations for 𝑦.

Use log rules to solve the following equations for 𝑦.

Use log rules to solve the following equations for 𝑦.
1/2 ln 𝑥 − 1/2 ln 𝑦 = 𝑥

James F   48   1 Reply

bio_man

Brewing Beer

Brewing Beer

Brewing beer involves a fermentation process to convert sugars into alcohol. This conversion
is operated by a colony of single-cell organisms, yeast. The equation
𝑁 (𝑡) = 200×10^9/1 + 9 e−2𝑡
represents the numbe

Joseph N   71   1 Reply

bio_man

Need Help With this question

Need Help With this question

Calculate the exact function value of sin(−5𝜋/3). Note that the angle is given in radians.

Joseph N   54   1 Reply

bio_man

A company has the following net cash inflows. Today -$7000, Year 1 -$15 000, Year 2 -$9000, Year 3 + ...

A company has the following net cash inflows. Today -$7000, Year 1 -$15 000, Year 2 -$9000, Year 3 + ...

A company has the following net cash inflows. Today -$7000, Year 1 -$15 000, Year 2 -$9000, Year 3 + $12 000, Year 4 -$3000, Year 5 + $19 000. Compute the net present value if the required rate of return is 7.22% compounded annually.
A) -$4709.

gewusel   243   3 Replies

bio_man

AZCO purchased an item for $695 less 30% and 20%, and marked it up 125% of cost. During a special ...

AZCO purchased an item for $695 less 30% and 20%, and marked it up 125% of cost. During a special ...

[html]AZCO purchased an item for $695 less 30% and 20%, and marked it up 125% of cost. During a special sale, the company sold the item at 40% off. Overhead is 20% of cost. What was the sale price?

▸ $875.70

▸ $868.75

▸ $953.54

▸ $525.42

▸ $521.

gyoku2302   116   3 Replies

cheesoslimo

A $95 600.00, non-interest-bearing note due August 1, 2017, discounted on March 1, 2015, at 1.49% ...

A $95 600.00, non-interest-bearing note due August 1, 2017, discounted on March 1, 2015, at 1.49% ...

A $95 600.00, non-interest-bearing note due August 1, 2017, discounted on March 1, 2015, at 1.49% compounded monthly. Find the proceeds.
A) $92 220.90
B) $92 335.41
C) $92 106.54
D) $99 225.96
E) $92 243.34

Hillier   156   3 Replies

josan

A $15,000 loan at 5.5% compounded semiannually is advanced today. Two payments of $4000 are to be ...

A $15,000 loan at 5.5% compounded semiannually is advanced today. Two payments of $4000 are to be ...

A $15,000 loan at 5.5% compounded semiannually is advanced today. Two payments of $4000 are to be made 1 year and 3 years from now. The balance is to be paid in 5 years. What will the third payment be?

adriii0825   118   3 Replies

jarste123

Duane borrowed $3000 from his grandmother five years ago. The interest on the loan was to be 5% ...

Duane borrowed $3000 from his grandmother five years ago. The interest on the loan was to be 5% ...

[html]Duane borrowed $3000 from his grandmother five years ago. The interest on the loan was to be 5% compounded semiannually for the first three years, and 6% compounded monthly thereafter. If he made a $1000 payment 2½ years ago, what is the amount

islandgurl   106   3 Replies

bio_man

A debt of $7000 accumulated interest at 9.5% compounded quarterly for 15 months, after which the ...

A debt of $7000 accumulated interest at 9.5% compounded quarterly for 15 months, after which the ...

[html]A debt of $7000 accumulated interest at 9.5% compounded quarterly for 15 months, after which the rate changed to 8.5% compounded semiannually for the next six months. What was the total amount owed at the end of the entire 21-month period?[/htm

jenny yehudai   89   3 Replies

bio_man

What rate of interest is required for $940.48 to earn $42.49 interest from Sept 30, 2013, to Mar 4,

What rate of interest is required for $940.48 to earn $42.49 interest from Sept 30, 2013, to Mar 4,

What rate of interest is required for $940.48 to earn $42.49 interest from Sept 30, 2013, to Mar 4, 2014?

Anonymous   50   1 Reply

bio_man