Raymond B.

08/07/21

(b) Plot the point that is symmetric to (3,3) with respect to the y-axis.

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Answers •2

08/07/21

Optimization problem

Find two positive numbers that satisfy the given requirements.The second number is the reciprocal of the first number and the sum is a minimum.first number=?second number=?any guidance will be much... more

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Math Calculus Derivative

08/07/21

Optimization question

Find two positive numbers satisfying the given requirements.The sum of the first and twice the second is 200 and the product is a maximumfirst number=?second number=?

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Precalculus

08/07/21

Plot the point that is symmetric to (3,3) with respect to (a) the x-axis; (b) the y-axis; (c) the origin.

(a) Plot the point that is symmetric to (3,3) with respect to the x-axis.

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Statistics

08/07/21

calculating powers and square roots

The variance and the standard deviation are related by the fact that the square root of the variance is equal to the standard deviation. Suppose the variance of the time it takes to complete a... more

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Math 3rd Grade

08/06/21

Jessica ate 209 snack packs last year. Snack packs are sold in boxes of ten or as singles. Fill in the chart below with 3 possible combinations of snack packs that Jessica could have bought last year.

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College Algebra

08/06/21

Help me solve this

Strontium-90 is a radioactive material that decays according to the function A(t)=A0e−0.0244t, where A0 is the initial amount present and A is the amount present at time t (in years). Assume that... more

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Statistics

08/06/21

union and intersection of two sets

Let A={1,2,6,7,8,13,15} and B={1,2,5,6,8,12,15,18,20}Find the following:LIST the elements in the set A∪B:A∪B = { }Enter the elements as a list, separated by commas. If the result is the empty set,... more

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Algebra

08/06/21

Find the equation (in slope-intercept form) of the line passing through the points with the given coordinates: (4,−2) , (0,5)

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Math Statistics Probability

08/06/21

A coin has been dropped three times in a row and each time the face is observed:

What is the probability of getting a head in the second drop?

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Algebra 1

08/06/21

If I travel 50 mph what is the distance traveled

Write an Algebraic expression

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Algebra 1

08/06/21

Write a linear function, f, with f(5) = -1 and f(0) = -5 f(x)=?

Kinda stuck need help on this problem.

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Trigonometry

08/06/21

Solve the equation 4 cos^2 (x) + 5 cos x + 1 = 0 for ( 0 ≤ x ≤ 2 pi )

4cos2(x) – 5cos(x) + 1 = 0 for ( 0 ≤ x ≤ 2 ∏ )

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Answers •1

Algebra Maths

08/06/21

The product of 3 consecutive positive even integers is 84 times their sum. Find the 3 numbers.

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Precalculus

08/06/21

Exponential and Logarithmic Models

At the beginning of an experiment, a scientist has 200 grams of radioactive goo. After 135 minutes, her sample has decayed to 12.5 grams.The half-life of the goo in minutes is 34Correct The amount... more

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Precalculus

08/06/21

Exponential and Logarithmic Models

The doubling period of a bacterial population is 15 minutes. At time t=100 minutes, the bacterial population was 80000.The initial population at time t=0 is 787.45Correct Find the size of the... more

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Precalculus

08/06/21

Exponential and Logarithmic Models

The count in a bacteria culture was 200 after 20 minutes and 1300 after 35 minutes. Assuming the count grows exponentially,What was the initial size of the culture? Find the doubling... more

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