59,485 Answered Questions for the topic Math

Math

10/26/23

44 decreased by twice a number
44 decreased by twice a number
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10/26/23

sin²x (1 + cot²x) = 1
sin²x (1 + cot²x) = 1LHS: sin²x (1 + cot²x)= sin²x (csc²x) (what rule)= sin²x (1 / sin²x) (what rule)= 1 (what rule)(Algebra, Reciprocal, Quotient, Pythagorean, or Odd/Even)
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10/26/23

cot²x (sec²x - 1)
LHS: cot²x (sec²x - 1)= cot²x (tan²x) (find the rule)= cos²x/sin²x ⋅ sin²x/cos²x (find the rule)= 1 (find the rule)(Algebra, Reciprocal, Quotient, Pythagorean, or Odd/Even)
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Math

10/26/23

A restaurant has a total of 50 tables. Some of the tables can seat 6 people and some can sit 2 people. All of the seats are occupied when there 172 people seated. How many tables for 6 are there?
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Math Calculus

10/26/23

Definition of the Derivative
No calculator is allowed on this question.The average rate of change of a function, f, on the interval [1, 1+Δx] is given by sin(Δx) + 3-5*deltax.Find f'(1).
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10/26/23

cot²x (sec²x - 1) = 1
LHS: cot²x (sec²x - 1)= cot²x (tan²x) (find the rule)= cos²x/sin²x ⋅ sin²x/cos²x (find the rule)= 1 (find the rule)(Algebra, Reciprocal, Quotient, Pythagorean, Odd/Even)
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10/26/23

(1 - cosx)(1 + cosx) = sin²x
LHS: (1 - cosx)(1 + cosx)= 1 - cos²x (find the rule)= sin²x (find the rule)(Algebra, Reciprocal, Quotient, Pythagorean, Odd/Even)
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10/26/23

The Nutty Professor sells cashews for $6.20 per pound and Brazil nuts for $5.00 per pound. How much of each type should be used to make a 44 pound mixture that sells for $5.55 per pound?
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Math

10/26/23

equation for a line that passes through (0,-8) and (5,-8)
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Math Calculus

10/26/23

Calc BC Mean Value Theorem
Let f be a twice-differentiable function such that f'(2)=0. The second derivative of f is given by f''(x)=x2e2-x -1 forUse the Mean Value Theorem on the closed interval [2,4] to show that f'(4)... more
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Math

10/26/23

Is y=4x+3 and y=1/4x-1, parallel, perpendicular, or neither?
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Math

10/26/23

A rectangle has an area of 115 square yards. The width is 3 more than 4 times the length. Find the length and width, in yards, of the rectangle.
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Math

10/25/23

Blank Whiteboards

Hello, I just finished my wyzant math session, and I saved the whiteboards to my computer. However, when I clicked on them, none of the ink/work from the lesson showed up. How can I fix this?
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Math

10/25/23

A rectangle has an area of 288 square feet. The width is 5 more than 3 times the length. Find the length and width, in feet, of the rectangle.
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10/25/23

Assume that a procedure yields a binomial distribution with a trial repeated times.

Use either the binomial probability formula (or a technology like Excel or StatDisk) to find the probability of successes given the probability of failure on a single trial.
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Math

10/25/23

functions and graphing
Describe a function g(x) in terms of f(x) if the graph of g is obtained by reflecting the graph of f about the x-axis and if it is horizontally stretched by a factor of 8 when compared to the graph... more
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10/24/23

Is the function below a rational function?

Is the function below a rational function? If it is, write it in reduced form as a ratio of polynomials p(x)/q(x). If it is not, enter NONE in both blanks. Do not leave any blanks empty.x^2/x-1 -... more
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10/24/23

Circular Functions: pi - x
If on C the distance from P(1, 0) to the point T is x, determine the coordinates of the point T' if T(3/5, 4/5) and T' is pi - x.
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10/24/23

A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the sample has decayed to 30 grams.

1.) Write an exponential equation f(t) representing this situation. (Let t be the amount of radioactive substance in grams and t be the time in minutes.)2.) To the nearest minute, what is the... more
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Math

10/24/23

Mackenzie needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 2.75 hours and charged her $181 for parts. The total was $249.75.

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Math

10/23/23

Chapter 5 : Saving
A bank features a savings account that has an annual percentage rate of 5.5 % with interest compounded annually. Hayden deposits $3,500 into the account.What is the annual percentage yield (APY)... more
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10/23/23

A man drove his car a distance of 315 miles in 5 hours. If continuing at this rate is possible, he will travel _____ miles in 9 hours.
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10/23/23

Write the mixed numbers as improper fractions
write the mixed numbers as improper fractions and vice1. 41/202. 38/93. 70/134. 76/95. 2 3/56. 5 3/57. 6 1/78. 11 4/9
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Math

10/23/23

What is the awnswer to rewrite this question in Ax + By = C form??
Y = 1/3x - 1
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10/23/23

Solve the following problems.
1.Larry read 3/5 of a book in the morning. He read the remaining 36 pages of the book in the afternoon. How many pages were there in all?2. Jerome sold fruits at the market. He sold of 4/9 them and... more
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