08/14/20

I need help with a question about math.
What is the difference between the function transformations f(x−2)and f(x)+2? Are there any possible functions where these two could result in the same change to the parent function?
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08/13/20

Solve for x 5(2)^3x-4=13
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08/13/20

Range Question!
70 students took an exam. the mean score on the exam is 75.5 and the standard deviation is 2.6 what percent of the scores are in the 72.9 and 83.3 range?
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08/13/20

Statistics question
Is the national crime rate really going down? Some sociologists say yes! They say that the reason for the decline in crime rates in the 1980s and 1990s is demographics. It seems that the population... more
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08/13/20

Let f(x) = 16 – x^2 , g(x) = 4 – x. Find (fg)(x) and its domain.

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08/12/20

Algebra Question
A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs ​$68. A season ski pass costs $400. The skier would have to rent skis with either pass for $20 per day. How... more
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08/12/20

Becky has as many dimes as Ryan and Amy have together. Ryan has two more dimes than Amy, and Amy has one third as many dimes as Becky has. How many dimes does each girl have?
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08/10/20

Statistic Homework help
Do you have Snapchat?Freq Yes No TotalMales 17  23 40 Females  20 40  60 Total 37  63 100(a) Find... more
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08/10/20

Find the standard deviation...
The quality- control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of twelve syringes taken from the batch. Suppose... more
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08/09/20

Let u=5i−j, v=3i+j, w=i+3j Find the specified scalar. (4u)•v
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08/08/20

Identify the explanatory variable and the response variable
Let A be the area of the floor (in square feet) of a room and let N be the number of tables that you comfortably fit into the room.identify the explanatory variable and the response variable.
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08/08/20

Find an Antiderivative
Find an antiderivative F(x) with F′(x)=f(x)=4+15x2+15x4 and F(1)=0. Remember to include a "+ C" if appropriate. F(x)=  __________ 
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08/07/20

help me I am sow confused

A golf course charges $17 for a package including the full 18-hole course. The course also sells buckets of golf balls for $22 each. The golf course would like to earn $619 by the end of the... more
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08/07/20

Word problems for algebra
The force on a blade of a wind generator varies jointly with the product of the blades area and the square of the wind velocity. The firce of the wind is 23 pounds when the area is 3 square feet... more
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08/07/20

Word problem in algebra

Luis picked up five scones and four large coffees for the office. He paid 21.50. Rachel picked up the next day 6 scones and 7 large coffees for the office and paid 30.09. What is the cost of one... more
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08/06/20

Given the first order linear homogeneous system of equations
Given the first order linear homogeneous system of equationsx'(t)=-x(t)+2y(t)y'(t)=-2x(t)+3y(t)Its coefficient matrix A=[-1 2] [-2 3]has two represented real eigenvalueλ1=λ2=1 but only one... more
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08/06/20

How long will it be before he has another day like today? Show how.
Gilbert vacuums the rugs every 14 days; checks on his neighbor’s cat every 2 days; and pays his rent every 30 days. Today he did all three. How long will it be before he has another day like today?... more
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08/06/20

Integrals / Riemann Sums
Estimate the area under the graph of the function f(x)=x+5−−−−√ from x=−3 to x=3 using a Riemann sum with  n=10 subintervals and midpoints. Round your answer to four decimal... more
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08/01/20

Natural Log LN (a^1/b^3c^-1)
if a=2. b=3 c=5 evaluate the following. Give your answer as an integer, fraction, or decimal rounded to at least 4 places.  Ln(a1/b3c-1)
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08/01/20

algebra question
Is the following statement always true, sometimes true, or never true if we assume x is a realnumber greater than 0: “The value of x^2 is at least as large as the value of x.” Show that youranswer... more
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07/31/20

Standard deviation

Find the mean and standard deviation for the set of data {25,16,28,6,30,7,26,20,22}A. Mean: 20; standard deviation: 8.47B. Mean: 22; standard deviation: 8.47C. Mean: 20; standard deviation: 8.23D.... more
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07/31/20

Express the limit lim n → ∞ n ∑ i = 1 ( 5 cos ( 2 π x ∗ i ) + 8 ) Δ x i over [ 1 , 4 ] as an integral.
Express the limit lim nn→∞ ∑ (5cos(2πx∗i)+8)Δxi over [1,4] as an integral.i=1Provide a, b and f(x) in the expression b∫ f(x)dxaI got a= 1 and b=4, how do i solve for the function?
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07/30/20

State the problem in linear programming terms and solve it using the simplex method.
A furniture manufacturing company plans to make two products chairs and tables from its available resources, which consist of 400 board feet of mahogany timber and 450 man hours of... more
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07/29/20

Elementary statistics

a ski gondola carries skiers Bro the top of a mountain. assume that weights are normally distributed with a mean of 200 lb and a standard deviation of 39 lb. the gondola has a stated capacity of 25... more
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07/26/20

A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit.
Give answers accurate to at least 2 decimal places.If the temperature of the turkey is 153 Fahrenheit after half an hour, what is its temperature after 45 minutes?  ( )  FahrenheitWhen... more
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