Questions by Piotr Rochala

Questions by Piotr Rochala

What is the solution to 3= 5x +2y?

asked Dec 24, 2021

1 answer

2 votes

63.5k views

Suppose that the algebraic expression for the z-transform of x[n] is: X(z) = (1 − 1/4 z ⁻²) / (1 + 1/4 z ⁻²)(1 + 543 z⁻¹ + 3/8 z⁻²) How many different regions of convergence could correspond to X(z)?

asked Oct 19, 2021

1 answer

1 vote

177k views

Which expression are equivalent to q+p+p+q

asked Oct 19, 2021

2 answers

3 votes

202k views

I DESPERATELY NEED HELP PLZ ANSWER THESE QUESTIONS I AM TIMED AND DON"T HAVE MUCH TIME LEFT

asked Oct 14, 2021

1 answer

5 votes

16.9k views

Simplify (a+b) (a+2ab) + (2a-b) (a-b)

asked Aug 27, 2021

1 answer

0 votes

155k views

1.What is the contour interval of this map?

asked Jul 8, 2021

1 answer

1 vote

183k views

The servicescape factor that takes into consideration how easy it is for customers to find what they want as they move through a facility is known as:

asked Jul 7, 2021

1 answer

2 votes

136k views

Choose the word that best completes the second sentence. L’enseignant d'histoire est toujours sympathique avec ses élèves. Il est très _____________. A. rigueur B. chaleureux C. enthousiasme D. compassion

asked Jun 17, 2021

2 answers

1 vote

25.7k views

What percentage of the total southern population was african american?

asked Jun 2, 2021

1 answer

0 votes

179k views

All the elements beyond uranium, the transuranium elements, have been prepared by bombardment and are not naturally occurring elements. The first transuranium element neptunium, NpNp, was prepared by bombarding

asked May 28, 2021

1 answer

1 vote

75.4k views

I need help i don’t quite understand

asked Mar 17, 2021

1 answer

4 votes

164k views

The height to the base of an isosceles triangle is 12.4m, and its base is 40.6m. What are the measurement of the angles of the triangle and the length of its legs? *m is meters

asked Oct 24, 2020

2 answers

0 votes

92.8k views

WHich of the following correctly completes the square for the equation below ? X^2 + 2x=19

asked Oct 1, 2020

2 answers

4 votes

159k views

When a person smokes a cigarette, what remains on the lungs A. Tar B. Alcohol C. Nutrients D. Iron (Plz hurry...)

asked Jun 21, 2020

2 answers

0 votes

63.7k views

ABC Inc. offers a number of services though its web site. During one day, senior executivesof ABC Inc. were surprised to discover that sensitive data on their servers were being leaked to unauthorized

asked Jun 16, 2020

1 answer

2 votes

38.2k views

What are the coordinates of y= x+6 and y=-x-4

asked Mar 5, 2020

1 answer

0 votes

9.1k views

Why is Santiago de Compostela so important in the Christian world?

asked Nov 21, 2019

1 answer

4 votes

221k views

Under what circumstances do you reverse the direction of the inequality symbol when solving a linear inequality

asked Sep 23, 2019

1 answer

3 votes

152k views

How many milliliters of solution of 2.15 M K2SO4 must be used to make 63 mL of a solution that has a concentration of 0.188 M K2SO4 ?

asked Feb 19, 2019

1 answer

3 votes

104k views

Is piano a true or false cognate?

asked Dec 8, 2018

2 answers

4 votes

8.1k views

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