Sequences & Series Questions and Answers
Algebra
Sequences & SeriesThe area on a wall covered by a rectangular poster is 320 square inches. The length of the poster is 1.25 times longer than the width of the poster. What are the dimensions of the poster?
Algebra
Sequences & SeriesBelow are the average high temperatures for each month in Baltimore, Maryland.
Month Jan Feb March April May June July Aug Sept Oct Nov Dec
Temp 43 46 55 66 75 84 88 86 79 68 57 47
a. Create a box-and-whisker plot for the data.
b. What is the median temperature?
c. 75% of the temperatures are below what value? How do you know?
d. 75% of the temperatures are above what value? How do you know?
e. What conclusions can you draw about the temperature in Maryland?
Algebra
Sequences & SeriesJacob just started a running plan where he runs 7 miles the first week and then increases the number of miles he runs by 10% each week. If he keeps up this plan for 24 weeks, how many total miles would Jacob have run, to the nearest whole number?
Algebra
Sequences & SeriesWrite the equation of the hyperbola centered at (2, - 7). The length of the vertical transverse axis is 10 and the length of the conjugate axis is 2.
Algebra
Sequences & SeriesWhen the price is $2.00 each, 6000 fruit bars will be sold. If the price of a fruit bar is raised by 2.00, sales will drop by 500 fruit bars. a) Determine the demand, or price, function. b) Determine the marginal revenue from the sale of 2700 bars.
Algebra
Sequences & SeriesFind the linear relationship between that exists between the time and the distance.
Time (T)(hours) Distance(D)(miles)
0 0
1 5
2 10
3 15
4 20
(A) D = 5T
(B) D = 1/5T
(C) D = -5T
Algebra
Sequences & SeriesFind the mode(s) of the following data set.
13, 15, 6, 17, 16, 18, 11, 10, 11, 16, 20, 6, 18, 12, 6, 20, 13, 13, 20, 14, 11, 3, 9, 18, 12, 14, 6, 11, 5,18,8
14
11
18
16
15
6.
Algebra
Sequences & SeriesFind the area of the figure shown to the right
A. 4176 ft²
B. 1516 ft²
C. 2436 ft²
D. 1292 ft²
Algebra
Sequences & SeriesGiven below are the daily high temperatures (In degree Fahrenheit) for one winter week in Albany, New York. [39, 42, 34, 37, 39, 44, 41]
Find the mean, median, and mode of these temperatures.
(A) Mean = 39.43, Median = 41, Mode = 44
(B) Mean = 39.43, Median = 39, Mode = 39
(C) Mean = 34.5, Median = 38, Mode = 42
Algebra
Sequences & SeriesWhat is the value of the interquartile range in the data set below? Show the calculations that lead to your choice.
Test Scores: 68, 72, 90, 93, 75, 78,91,67
(1) 8 (3) 26
(2) 20.5 (4) 67
Algebra
Sequences & SeriesWhich function has lowest rate of change?
5x - 2y = 15 (or) Cost of 5 pencils is 15 dollars
Algebraic Function
Both the functions
Verbal Description
Algebra
Sequences & SeriesFind the rate of change and y-intercept from the equation 8x + 4y = 12.
1. m = 2 and b = -3
2. m= -2 and b=3
3. m=-2 and b = -3
Algebra
Sequences & SeriesWhispering Winds Corp. signs a $24000, 11%, 6-month note payable on September 1, 2021. How much interest expense will Whispering report in its 2022 financial statements?
O $880
O $1320
O $0
O $440
Algebra
Sequences & SeriesIf $26000 dollars is invested at an interest rate of 7 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent. Assume no subsequent deposit or withdrawal.
(a) Annual: $
(b) Semiannual: $
(C) Quarterly: $
Algebra
Sequences & SeriesViolet was offered a job that paid a salary of $25,500 in its first year. The salary was set to increase by 2% per year every year. If Violet worked at the job for 29 years, what was the total amount of money earned over the 29 years, to the nearest whole number?
Algebra
Sequences & Series:The price of a widget was $362. Over nine years, the price dropped to $245. Assume a linear trend.
(a) Find a linear model P = ax + b for this situation, where P is the price at time x.
P=
(b) Use this model to predict the price in 23 years.
Algebra
Sequences & SeriesStella opened a new account in a bank and she paid an initial payment of $10 to open the account. She put $5.50 for each week. Write an equation for total amount in Stella's account after x weeks.
(A) y =10x + 5.5
(B) y =10x - 5.5
(C) y = 5.5x +10
Algebra
Sequences & SeriesIn a marathon, Darin ran three times as many miles as Tom, and Samir ran two miles less than Darin. Together they ran a total of 38 miles. How many miles did Tom run?
Algebra
Sequences & SeriesA parking meter contains quarters and dimes worth $16.50. There are 93 coins in all. Find how many of each there are.
There are___quarters.
There are____dimes.
Algebra
Sequences & SeriesWhat initial investment at 8% compounded semiannually for 6 years will accumulate to $9,000? (Round your answer to two decimal places.)
$
Algebra
Sequences & SeriesA multiple choice test has five possible answers, labelled A, B, C, D, E. If the position of the correct answer is to be chosen at random, draw a probability histogram for this distribution.
Algebra
Sequences & SeriesA simple graph G on n vertices (n≥ 2) is drawn in the plane. Prove that if every edge crosses at most one another edge, then the number of edges in G does not exceed 4n - 8.
Algebra
Sequences & SeriesSolve the following maximisation problem by applying the Kuhn-Tucker theorem:
Maxx,y 3.6x – 0.4x^2 +1.67 -0.2y^2
subject to 2x + y ≤10 ; x ≥0 y≥0
Algebra
Sequences & SeriesFind the indicated probability. Round your answer to 6 decimal places when necessary.
Based on meteorological records, the probability that it will snow in a certain town on January 1st is 0.441. Find the probability that in a given year it will not snow on January 1st in that town.
A) 0.559
B) 2.268
C) 0.789
D) 1.441
Algebra
Sequences & SeriesFind the area of a greatest rectangle that can be inscribed in an ellipse
(x^2/a^2) + (y^2/b^2) =1
Algebra
Sequences & SeriesWhich of the following represents the zeros of the function y = (x - 2)² - 1?
1 and 3
1 and -3
-1 and 2
Algebra
Sequences & SeriesFind x-intercepts and multiplicity of the following:
f(x)= 1/15(x-5)(x + 1)²(x - 2)²
please show all work and make sure it is
readable please
Algebra
Sequences & SeriesFind the leading coefficient of the polynomial function f(x) = -5x⁵ - 6x⁶ - 3x² + 9x.
Algebra
Sequences & SeriesA city's limits form a perfect circle that has a diameter of 20 miles. The city has a population density of 420 people per square mile. What is the city's population?
Algebra
Sequences & SeriesVideo game sales (In dollars) per week are given below:
107, 100, 135, 131, 125, 119, 130. Find the mean of the given data.
1. 111
2. 110
2. 121
Algebra
Sequences & SeriesValentina is baking a cake and has mixed 300 mini chocolate chips into the batter. Valentina pours the batter is poured into a rectangular pan that measures 12 inches by 7 inches. After poured, the batter measures exactly 1.6 inches in height. What is the density of chocolate chips in the batter?
Algebra
Sequences & SeriesYou take out a 20-day single -payment loan for $750 with an interest rate of 18%. What is the amount of the maturity value?
•$757.25
•$775.04
•$757.40
•$767.22
Algebra
Sequences & SeriesTrue or False: If you owe $317.90 and make the minimum payment of $54.57, you still owe $236.63.
True
False
Algebra
Sequences & SeriesSimplify each and state the excluded values.
(7r - 35 p/r - 5). (r^2 - 2r - 15/8r+24)
Algebra
Sequences & SeriesWhat category do experts suggest 25-30% of your income should be spent on?
Transportation
Savings
Housing
Algebra
Sequences & Seriesjack wants to buy a sonic screwdriver for $1500. He can finance the cost with monthly payments of $88.37 for 18
months How much is the finance charge? What is tge APR percentage?
Algebra
Sequences & SeriesWhich of the following data sets does not have a mean of 12?
1. 7,12,17
2. 12, 11, 13
3. 12, 12, 12,8
Algebra
Sequences & SeriesFind the volume of the composite solid, which is a hemisphere atop a cylinder
Hint: To add the pi symbol (π), type "pi"
Algebra
Sequences & SeriesUsing regression, find the coefficients of the following equation
y = ae-ᵡ + b * sin(3x) + cx² that will fit the following data:
xdat = [ .05, .1, .2, .3, .5, .7, .9, 1];
ydat = [ 1.2, 1.5, 2.1, 2.6, 3.3, 3.8, 3.6, 3.6);
Linear regression ?
Algebra
Sequences & SeriesFind the volume of the cone given the measures shown
Hint: To add the pi symbol (π), type "pi"
Algebra
Sequences & Series-3b-5< -8 or b-4≤0
b< 1 or b≥ 4
b> -1 or b≤ - 4
b<1 or b ≤ 4
The solution is all real numbers.
Algebra
Sequences & Series150 grade twelve students were asked which of the following 3 TV programs they watch regularly. 102 watched "Friends", 70 watched "Survivor" and 40 watched "Crocodile Hunter". 25 watched both "Friends" and "Survivor", 27 watched "Friends" and "Crocodile Hunter", and 30 watched "Survivor" and "Crocodile Hunter". Determine the number of students who watched all three programs.
Algebra
Sequences & SeriesFor each of the following proportions, write a corresponding word problem. Make sure to include an unknown variable and to define the units. (Hint: Since you are asked to include a variable, you will leave one of the components of each proportion out so that I can solve for it when I read your word problems).