Chapter 1-1 Heart Rate
Project Description:
In this problem, you will investigate the heart rate at different ages. You will also provide the results as a column chart. Use a cell reference or a single formula where appropriate.
Steps to Perform:
1 Start Excel. Download and open the workbook...

Your mutual fund grows from $1200 to $1500 in 1 year.
a.) What is the annual growth rate (format as % to zero decimal places)? Growth factor (format as number 2 decimal places)?
b.) Create a table of values expressing the amount in your fund through year 10 assuming this constant growth rate...

In this problem, you will investigate both marriage and divorce rates for the United States per 1,000 people in the population. You will also provide the results as a scatter chart.
1) Start Excel. Download and open the workbook named: Chapter_5-7_Marriage_Start
2) In cells D32:K46, insert a Sca...

Using the student grade data given to compute the Grade Point Average (GPA):
a.) Enter a formula in cell E2 which multiplies the Credits times the 4 Point Scale, this product gives Quality Points. Fill the formula down.
b.) Sum the Credits and the Quality Points.
c.) Compute the GPA by div...

Convert units for length, mass, volume, and speed using the given ratio tables. In particular, use mixed and absolute cell references so that your formulas are able to be filled across each row. Format all answers to 2 decimal places.
a.) Convert inches, feet, yards, centimeters, and meters t...

Section 3: Scientific Notation
1. How many one hundred dollar bills would you need to have ten thousand dollars? Explain.
2. How many 1,000 are there in 10 billion? Explain.
3. Explain in your own words:
a. How to convert a standard number to scientific notation.
b. How to convert a numb...

Per Capita
1) The National Oceanic and Atmospheric Administration (NOAA) reported that there are 17.8 million feet of Atlantic coastline in the state of North Carolina. If the population of North Caroline is approximately 9.5 million, find the number of feet of coastline per capita in North Carol...

Boys and Girls
A couple plans to have two children.
a) Determine the number of sample points in the sample space of the possible arrangements of bous and girls.
b) Construct a tree diagram and list the sample space.
Assuming that boys and girls are equally likely, determine the probability th...

Brenna's mom, Mrs. Herstone, is watching Brenna playing at the park. Some children are pushing Brenna around the merry-go-round. Mrs. Herstone decides to take some data, so she started her stopwatch. At 3.5 seconds Brenna is farthest from Mrs. Herstone 26 feet away. When the stopwatch reads 4.2...

Emile got a letter in the mail saying that a wealthy relative had left him an inheritance. At a meeting the next week, a lawyer read the following statement.
To Emile, because he likes math problems, I leave a choice. He can have one of two inheritances. He must make his choice before leavin...

Since this module focuses on measurement it will be very important that mathematical conversions be clearly demonstrated throughout your problem write-up. For example, if you are converting 28 yards to meters, you must track your calculations with cancellation of units as seen below:
28 yards t...

A downtown employee is looking for the best option for parking a car during a 5 day work week. One parking garage offers unlimited parking at a flat rate per month. Another garage offers an hourly rate for parking. Which option is best for the employee on a monthly basis?
Consider that the employ...

Suppose {e_t} and {E_t} are two independent white noise processes with variance sigma^2 and sigma^2_e respectively.
(a) Show that {v_t = e_tE_(t-1)} is also a white noise and calculate its variance.
(b) Show that y_t = v_t - 0.5_(vt-1) + 3e_(t-1) is stationary.

1. Write a function whose graph is the graph of y = (x+2)^2, but is refelcted about the x-axis.
2. Determine whether the given function is linear or nonlinear? If the function is linear, determine the slope.
x y = f(x)
1 -12
2 -7
3 -5
4 -4
5 -5
3. Form ...

Find an equation of the exponential function y=g(x) , whose graph passes through the 2 given points.
a) (0,5) (3,9)
b) (2,24) (4,8)
Please show how you got the answer.
And find a equation of the linear function y=f(x) for the same points.

Please help answer the following questions:
1. Find all intercepts of the function f(x)=4x^3-7x^2-16x+28 . For each intercept, show your algebra, then state the intercept using correct function notation and as an ordered pair. Clearly state whether the intercept is an x-intercept or a y-intercep...

Question 4
Find the work done by the force
F (x,y,z) = -x^2y^3 i + 4j + xk
on moving charged electric particle along the path given by the equation
r (t) = 2cos t i + 2sintj + 4k,
where the parameter t varies from pi/4 to 7pi/4.
Question 5
Displacement of the spring system with friction ...

6. Owing to the rising cost of copper, in 1982, the US Mint changed the composition of pennies from 95% Copper + 5% Zinc to 2.5% Copper + 97.5% Zinc to save money in minting pennies. Your favourite aunt has a collection of 5,000 pennies minted prior to 1982 and she intends on gifting the collection ...

You want to make a statement about the variability in the costs of personnel shelters. After collecting sample data (cost in $K) on 9 shelters you perform some preliminary calculations.
Given the information provided:
The coefficient of variation is about 17.64%
The variance is a...

Two species with populations N1(t) and N2(t) interact according to the model:
(dN_1/d_t)=r_1N_1(1-(N_1/K_1) - b_12(N_2/K_1),
(dN_2/d_t)=r_2N_2(1-b_21(N_1/K_2),
Non-dimensionalise the system (7) so that:
(d_u/d_t) = u (1- u - au), (d_u/d_t) = pv (1-Bu),
finding explicit formulae for t...

1. Solve the following system of equations using the Substitution method:
5X-7Y= - 18
4X+3Y= 20
2. Solve the following system of equations using the elimination method:
2X-3Y=12
-2X+3Y=12
Solution: Computation of the Equations
2X-3Y =12
-2X+3Y =12
3. A total of $80,000 is invested in ...

A. Graph the function =
f(x) = x-2/x^2 - 3x + 2
B. Find the domain and range of , showing all work.
C. Find the
→ , showing all work, or explain why the limit does not exist.
D. Find the
→ , showing all work, or explain why the limit does not exist.
E. Apply th...

1. A component has a reliability of 0.75. How many identical components do we have to add n parallel to the frst to increase the overall reliability to 0.95?
You may use the following general formulas
R_sys = 1-(1-R1)(1-R2)...(1-Ri)...(1-Rn)
Ri=e^-(lamda*t)
2. Find both the minimum and maximu...

Which of the following sets of polynomials n K[x], K commutative are K-modules:(a) all polynomials of degree exactly ; (b) all polynomials of degree at most 4; (c) all monic polynomials; (d) all polynomials of even degree?

Hello, I need help figuring out the missing amount and to arrive at the answers.
The following data have been extracted from the records of Riddle Co.:
July December
Production level, in units........................................... 5,000 10,000
Variable Cos...

Prepare a bank reconciliation as of August 31 from the following information:
a. The August 31 balance shown on the bank statement is $9,810.
b. There is a deposit in transit of $1,260 at August 31.
c. Outstanding checks at August 31 totaled $1,890.
d. Interest credited to the account during Aug...

Can you please explain how to do these problems?
1. Evaluate 3x-4y/ 2z when x= -2, y=3, z=4 . Express your answer as a fraction.
2. Use the order of operations to simplify the following expression. (-2)2 -3 2
3. Write the statement as an algebraic equation: 'The difference between x and 2...