6,964 Answered Questions for the topic mathematics
Algebra 1 , Please Help!!
Carly thinks that if she were able to dive from a 310 ft. position, she would experience a velocity that is twice as fast as if she were to dive from 155 ft. Is She correct? Explain why or why not.
Algebra 1 question please help
Write an expression that describes the area of the rectangle if the length is 2x+3 and the width x+5A. (2x+3)(x+5)B. 2(2x+3)(x+5)C. 2(2x+3) + 2(x+5)D. 2(2x+3) + (x + 5)If the area of the rectangle...
more
Follows
•
1
Expert Answers
•1
![]()
Help On Algebra I Questions!
Write an expression that describes the area of the rectangle if the length is 2x+3 and the width x+5.A. (2x+3)(x+5)B. 2((2x+3)(x+5)C. 2(2x+3) + 2(x+5)D. 2(2x+3) + (x+5)If the area of the rectangle...
more
06/21/21
So i got this question on my assignment about matrix it says that i have to proof one of the matrix properties
Assume A is a 3 x 3 matrix with |A| ≠ 0. Show that A-1XA = I , by using your own example.I've tried using some random numbers but it seems that it doesn't work, so there must be some rules to proof...
more
Mathematics
06/20/21
Solve 7(x+4)-⅔(x-6)≤2[x-3(x+5)]
Techniques of Integration
If g(1)=5, g(5)=7, and ∫15 g(x)dx=−6, evaluate the integral ∫15 xg′(x)dx.
Follows
•
1
Expert Answers
•2
![]()
![]()
06/20/21
Work-time related math.
Working alone at their respective constant rates, A can complete a task in ‘a’ days and B in ‘b’ days. They take turns in doing the task with each working 2 days at a time. If A starts they finish...
more
06/20/21
So I cant find the answer of my assignment in google about this matrix question
Assume A is 3 by 3 matrix. Show that (AT )-1= A by using your own example. Can anyone give me the example
Follows
•
1
Expert Answers
•1
![]()
Mathematics
06/20/21
Write the slope intercept form of the linear equation that has a slope of negative on half and a y intercept of 4
Mathematics
06/20/21
Simply your answers. Type integers or decimals to rounded to the nearest hundredths as needed
A rectangular sandbox is surrounded on all sides by a strip of grass that is 5 feet wide on all sides. The length of the sandbox is 2 feet more than width, and the total area for the sandbox and...
more
Can someone solve the questions below please. 👇
Find the equation of a line.A)perpendicular to x= -2, passing through the point (1, -3)B) perpendicular to y = 4x - 3, passing through the point (-2,7)
Follows
•
2
Expert Answers
•1
![]()
Cant understand questions below.
Find the equation of a lineA) parallel to the x-axis, passing through (3, -6)B) perpendicular to y = -2/5x+4 , passing through the originC)perpendicular to x= -2, passing through the point (1,...
more
06/17/21
How to determine if a function is simple in linear algebra?
V = { (x, y, z) in R3 : x + y - z = 0 } and f : R3 ---> R3V = Ker(f) and 1 is an eigenvalue of f .How can I determine if f is simple or not ? And also...
more
Follows
•
1
Expert Answers
•1
![]()
Statistics Question, urgent help please!
By looking at this scatter plot, are there any outliers? Explain please, thank you.
In detail, describe the correlation. (whether there are issues, the trend wise, etc.)
Where is the hidden...
more
Follows
•
1
Expert Answers
•1
![]()
Alana set her watch 5 seconds behind, and it falls behind another 2 seconds everyday. How far behind is Alana's if she last set 12 days ago?
Alana set her watch 5 seconds behind, and it falls behind another 2 seconds everyday. How far behind is Alana's if she last set 12 days ago? PLEASEE HELP!!!!
Follows
•
1
Expert Answers
•1
![]()
Statistics Question Help please!!
Can you identify more than one hidden variable in a scatter plot? Please explain, thank you.
Follows
•
1
Expert Answers
•1
![]()
Answer the problem below or in the description:
The rate of decay of radium is said to be proportional to the amount of radiumpresent. If the half-life of radium is 1700 years and there are 400 grams on hand now. Given the exponential decay...
more
Follows
•
1
Expert Answers
•1
![]()
Mathematics
06/15/21
9 students can make a poster in 10 hours. How many students should join them so that they altogether can make this poster in 6 hours?
Mathematics Math
06/15/21
The Mitchells are designing a garden. The garden will be in the shape of a rectangle and have an area of 270 square feet. The width of the garden is 3 feet less than the length. Find the width
Follows
•
1
Expert Answers
•2
![]()
06/15/21
4x4 matrix characteristic polynomial
Is there a shortcut way to find the characteristic polynomial of a 4x4 matrix like this? 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Thank you so much for the help
Follows
•
1
Expert Answers
•1
![]()
06/15/21
Suppose that Mandaue City is growing or has a growth rate of 5.6%. In the year 2010, the initial population was 331,300. What will be Mandaue’s population in 2021?
Calculate the population of Mandaue in 2021 using the given problem above and please show full solutions.
Follows
•
1
Expert Answers
•1
![]()
Mathematics Math
06/15/21
I need to know how to calculate these questions.
Sondra is offered a choice as to how her wage will be calculated.Option A: A base payment of $250 per week plus 8% commission on sales.Option B: A base payment of $100 per week plus 12% commission...
more
Follows
•
1
Expert Answers
•1
![]()
Mathematics Calculus
06/15/21
Explain or Discuss the significance of the Fundamental Theorem of Calculus in the field of Mathematics.
Follows
•
1
Expert Answers
•1
![]()
Mathematics
06/14/21
Answer this word problem please
A person drove 50 miles per hour on a trip. If he had driven 60 miles per hour, he would have arrived 4 hours earlier. What was the distance the person drove?
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
