Recent questions in Mathematics

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Let X(t) and Y(t) be both zero-mean and wide sense stationary random processes. Consider the random process Z(t) defined by Z(t) = X(t) +Y(t) Determine the autocorrelation function and the power spectral

Fergoso asked Dec 10, 2024

by Fergoso

7.6k points

1 answer

5 votes

12.4k views

Find the surface area of the composite solid. Round your answer to the nearest hundredth. A composite figure of a right cylinder with a right pentagonal prism on top of it. One of the pentagon face sits

Paul Johnson asked Dec 10, 2024

by Paul Johnson

7.5k points

1 answer

3 votes

40.1k views

A student surveys her neighbors in her residence hall and asks how many siblings each person has. Which of the following would not be a valid way to display her results? (a) Bar chart (b) Pie chart (c)

Bruno Coelho asked Dec 10, 2024

by Bruno Coelho

8.2k points

1 answer

3 votes

209k views

A boat is tied to a dock using 2 ropes. what is the length of rope A?

Mindoftea asked Dec 10, 2024

by Mindoftea

7.8k points

1 answer

2 votes

92.7k views

Write an equivalent expression by distributing the sign outside the parentheses: - (-9c- 0.8d - 1)

Jonathan Caryl asked Dec 10, 2024

by Jonathan Caryl

8.6k points

1 answer

0 votes

12.2k views

Expand and simplify (3x + 4)(2x + 3)

Sandun Tharaka asked Dec 10, 2024

by Sandun Tharaka

7.6k points

1 answer

0 votes

189k views

You need at least 10,000 points to advance to the next level of a video game. Your current score is 4400 points. A. Write and solve an inequality that represents how many more points you need to advance.

Adammokan asked Dec 10, 2024

by Adammokan

7.9k points

2 answers

3 votes

32.6k views

Help!!! I need to fill out this table using logarithm rules and need to do it without a calculator (The highlighted one is the problem which I need help completing)

RobinJ asked Dec 10, 2024

by RobinJ

8.3k points

2 answers

3 votes

121k views

Find the domain of the function. $$ f(x) = {\color{red}9} - x^2 $$

Harish Raj asked Dec 10, 2024

by Harish Raj

7.8k points

1 answer

5 votes

57.4k views

What number does not appear in the first 30 digits of pi?

Protspace asked Dec 10, 2024

by Protspace

8.1k points

1 answer

1 vote

188k views

Write the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin.

Igor Shenderchuk asked Dec 10, 2024

by Igor Shenderchuk

7.9k points

1 answer

1 vote

119k views

Im confused of what the answer should be

Enigment asked Dec 10, 2024

by Enigment

7.9k points

1 answer

4 votes

226k views

What is the range of the function ? all treal numbers or all real numbers greater than or equal to 11

Dominic Egger asked Dec 10, 2024

by Dominic Egger

8.2k points

1 answer

1 vote

12.3k views

How many solutions does 12x+5=5+12x have

GSerg asked Dec 10, 2024

by GSerg

7.2k points

2 answers

4 votes

37.4k views

Find the zeros of the function f(x) = - 1.9x squared- 4.3x + 1

Shreyansh Jogi asked Dec 10, 2024

by Shreyansh Jogi

8.3k points

1 answer

1 vote

144k views

6.37 More than one confidence interval. As we prepare to take a sample and compute a 95% confidence interval, we know that the probability that the interval we compute will cover the parameter is 0.95.

Stephent asked Dec 10, 2024

by Stephent

8.2k points

1 answer

0 votes

84.2k views

Write the quadratic equation in standard form 4x^2+2=-5x

Ab Bennett asked Dec 10, 2024

by Ab Bennett

7.4k points

1 answer

5 votes

86.2k views

Maya tutors chemistry. For each hour that she tutors, she earns 50 dollars. Let E be her earnings (in dollars) after tutoring for H hours. Write an equation relating E to H. Then use this equation to find

Techkuz asked Dec 10, 2024

by Techkuz

7.2k points

1 answer

5 votes

187k views

suppose a random sample of 32 national football league players had an average weight of 252.5 pounds. assume that the standard deviation for weight of all players in the league is 31.1 pounds. determine

Prashant Gaur asked Dec 10, 2024

by Prashant Gaur

8.5k points

1 answer

2 votes

54.0k views

3. Is the set of rational expressions closed under division? Explain = ________________ p(x) q(x) ÷ r(x) s(x)

Mayconfsbrito asked Dec 10, 2024

by Mayconfsbrito

7.6k points

1 answer

3 votes

228k views

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