08/12/20

Tanya has bills worth $40 in her wallet. If she has one more $5 bill than $10 bills and two more $1 bills than $5 bills, how many of each does she have?
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08/11/20

Given the following function, find f(x+2). f(x)=2x^2−6x
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08/11/20

(NEED ASAP) Polynomial Math Question
9x^3 – 16x^2 = 0X(9x^2 – 16x) = 0X(3x-4)(3x-4) = 03x – 4 = 0   3x – 4 = 03x = 4X = 4/31. Find the two errors shown in solving the equations above. Explain each error in detail.2. Solve each... more
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08/09/20

Homework help statistic

Suppose there are 10 females and 15 males. Select 3 people.(a) How many ways can we select 3 people?(b) How many ways can we select 3 females?(c) Find 𝑃(3 𝑓𝑒𝑚𝑎𝑙𝑒𝑠)(d) How many ways can we select 2... more
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08/09/20

Calculate the test statistic
Testing:H0:μ=52H1:μ<52 Your sample consists of 81 subjects, with a mean of 51.4 and standard deviation of 1.2.Calculate the test statistic, rounded to 2 decimal places.t=________
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08/08/20

I need help on how to solve
A linear function can be used to model the decrease in rainfall measured since 1880. The decrease in annual rainfall has been a constant 0.12 inches per year. Let x represent the number of years... more
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08/07/20

help me I am 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 day. ... more
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08/06/20

Systems of Equations & Solutions
For each of the following systems of equations, state if the system has a unique solution, an infinite number of solutions, or is inconsistent (no solutions). If the system has a unique solution,... more
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08/05/20

help help me please
Consider the function f(x) = 3x − 2. Select True or False for each statement.True or False The y-intercept is 2.True or False The x-intercept is 2/3true or false The slope is 3.
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08/05/20

help me please help
Look at each equation. Does the equation represent a line with slope m = 5,containing the point (3, 8)?Select Yes or No for each equation.  Yes or No 5x − y = 7   Yes or No x + 8y = 5 Yes or No... more
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08/05/20

please help me okay
What is the x−intercept of y + 12 = 3(x − 9)?The x−intercept is ___________I substituted 0 for (select) x, or y and solved the equation for x, or y.
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08/04/20

Statistics homework help

If you flip a fair coin four times, find the probability that all four outcomes are(a ) tails.(b) heads.(c) not the same.
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08/04/20

help me please i try but i can not get it
You want to create a mixture of 60% alcohol from 5 L of 10% solution. How many liters of pure (100%) alcohol should be added?
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08/03/20

The function h(x)= (x + 6)^5 can be expressed in the form f(g(x)) where f ( x ) = x^5, and g(x) is defined below
g(x)=could someone help me with this? Thank you
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08/03/20

please help I really don.t get it at all pleas help
Enter a recursive rule and an explicit rule for the arithmetic sequence. Then, find the 20th term of the sequence.25, 35, 45, 55, ...The recursive rule is f(1) = _____ , f(n) = f (n or n+1 or n-1)... more
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08/03/20

Statistics Question
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.A random sample of 5778 physicians in Colorado showed... more
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08/02/20

Statistics Question
The method of tree ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal... more
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07/31/20

Word problem algebra
A statistics student is taking a poll of his high school classmates and their senior prom preferences. He asked those who polled, “last year tickets for the senior prom were $60 each. This year... more
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07/30/20

Complete the equation of the line through (-9,7) and (-6,-3).
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07/29/20

A probability question.
A jar contains 3 blue balls, 2 white balls and 5 red balls. A ball is selected at random and the colour of the ball is noted and replaced back into the jar. A second ball is selected and its colour... more
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07/29/20

Elementary statistics

An elevator has a placard starting that the maximum capacity is 1680 lb- 10 passengers. So, 10 adult male passengers can have a mean weight of up to 1680/10=168 pounds. If the elevator is loaded... more
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07/28/20

How to find the cubic polynomial?
Find a cubic polynomial in standard form with real​ coefficients, having the given zeros.0 and 3+5i
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07/28/20

Find polynomial function

Find a polynomial function P of the lowest possible​ degree, having real​ coefficients, a leading coefficient of​ 1, and with the given zeros.3+2i​, −1​, and 2
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07/28/20

How do I solve this problem?
if the probability of drawing a red card from a box is 3/8, what are the odds against drawing a red card from the box
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07/28/20

How do I solve this problem?
you are dealt two cards successively without replacement from a shuffled deck of 52 playing cards. find the probability that the first card is a heart and the second card is a diamond. round to... more
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