59,249 Answered Questions for the topic Math

Math

10/18/23

I need help with calculus
Consider the following. (If an answer does not exist, enter DNE.)f(x) = ln(2 + sin(x)),    0 ≤ x ≤ 2𝜋Find the interval(s) on which f is concave up. (Enter your answer using interval notation.)Find... more
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Math

10/18/23

Line graph math
On a number line plot -4/11 and -0.19. And which number is greater
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Math

10/18/23

Suppose a peewee basketball team scores 24 points in a game. How many combinations of free throws (one point each), two-pointers, and three- pointers are possible?
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10/18/23

Orthogonal projection of vectors
How do I find the orthogonal projection of the vector (2, -3, 1) onto the space spanned by the vectors v1=(1, 2, 0) and v2=(1, -1, 1), and then present it as a linear combination of v1 and v2?
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Math

10/18/23

I need help with this

A garden is in the shape of a square with a perimeter of 40 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is 2 feet from... more
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Math

10/18/23

A recipe calls for 3 cups of flour and 1(1/2) cups of milk to make 5 servings. If there is plenty of flour, but only 5 cups of milk. How many servings can be made?
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Math

10/18/23

math problem in description

melissa took out a 9000 loan for 7 months and was charged simple interest. the total interest she paid on the loan was $336. as a per what was the annual interest rate of melissas loan? DO NOT... more
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Math Calculus

10/18/23

Linearization problem
Use a linear approximation to approximate sin(26°).Let f(x)=sin(x). Find the equation of the line tangent of f(x) at a "nice" point near 26°. Then use the tangent line to approximate sin(26°).... more
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Math Calculus

10/18/23

Newtons method question
Use Newtons method to approximate √10 to 6 significant figures starting with x0=3.5.
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Math Calculus

10/18/23

Newtons Method problem
The number 6^(1/5) can be thought of as the solution of the equation x^5−6=0. (by the way the 6^(1/5) is supposed to be in square root form but I cant write it in that form here)1.To find 6^(1/5)... more
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10/18/23

Vector Problems - Projectile Motion (finding vertical velocity)
A soccer ball leaves the ground at an angle of 12.5° with an initial horizontal velocity of 38.17m/s. What is the initial vertical velocity?
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10/18/23

The time married men with children spend on child care averages 6.5 hours per week.

You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on child care per week differs from the reported... more
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Math

10/18/23

Math how many 1/4 pound hamburgers can you make from 5 1/2 pounds of ground beef
How many 1/4 pound hamburgers can you make from 5 1/2 pounds of ground beef
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10/18/23

According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance.
Sample results, consistent with the CNBC report, showed 26 of 181 vehicles were not covered by insurance.a. What is the point estimate of the proportion of vehicles not covered by insurance (to 4... more
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Math Python

10/18/23

Nonstationary Bandit (Python Implementation)
I have to implement the Nonstationary Bandit Problem in Python and cannot figure out what's going on with my implementation. Would really appreciate a second set of eyes and someone to walk through... more
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Math

10/17/23

Bruno's Burgers has a cook to server ratio of 2:5. The total numbers of servers and cooks is 42. How many more servers does Bruno's Burgers employ than cooks?
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Math

10/17/23

Four more than the product of three and n
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Math

10/17/23

If the odds for a certain event are 14 to 13, what is the probability for the event occurring? Write your answer as a simplified fraction.
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10/17/23

Trigonometric Values - Negative, Larger Numbers
Here's the question- I think from my previous question I got the smaller negative values figured out, but ones with more digits are still confusing me still. Keep in mind, I just selected one; I... more
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10/17/23

Trigonometric Functions - Negative Values
How do I solve for trigonometric functions where, instead of cos(49) or sin(68), just for example, the number is negative instead? Ex. cos(-49), sin(-68)
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10/17/23

Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits & it's not too expensive.

A sample of 10 typical 1 hr massage therapy sessions showed an average charge of $61. The population standard deviation for a one-hour session is σ = $5.6. Using 95% confidence, what is the margin... more
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10/17/23

Exponential Probability Distribution: The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 13 seconds.
What is the probability that the arrival time between vehicles is 12 seconds or less (to 4 decimals)? What is the probability that the arrival time between vehicles is 6 seconds or less (to 4... more
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Math

10/17/23

Applications Variation

TheThe gravitational Force F between an object and the Earth is inversely proportional to the square of the distance from the object to the Center of the Earth if an astronaut weighs 215 lb on the... more
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10/17/23

Relationships of Probability
High school seniors with strong academic records apply to the nation’s most selective colleges in greater numbers each year. Because the number of slots remains relatively stable, some colleges... more
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Math

10/17/23

Write a polynomial of least degree with rational coefficients so that P(x)=0 has the given root. 5-7i
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