Information about rings-ideals

Assignment Help Mathematics

Reference no: EM13126461

Let S be a subset of a set X. Let R be the ring of real-valued functions on X, and let I be the set of real-valued functions on X whose restriction to S is zero. Show that I is an ideal in R.

Reference no: EM13126461

Questions Cloud

Multiplicative inverses and identities : If a ring R has a multiplicative identity, then the multiplicative identity is unique.

Left and right ideals : Show that if R is a ring with identity element and x is an element in R, then Rx = {rx: r in R} is the principal left ideal generated by x. Similarly,

What is the direct labor cost : In August direct labor was 60% of conversion cost. If the manufacturing overhead for the month was $54,000 and the direct materials cost was $34,000, the direct labor cost was:

Draw a project diagram network for project : the finished subassembly 2 must be inspected. A list of activities, their predecessors, and their durations. Draw a project diagram (network) for this project? What is the total project time?

Information about rings-ideals : Let S be a subset of a set X. Let R be the ring of real-valued functions on X, and let I be the set of real-valued functions on X whose restriction to S is zero.

Explain for the board member why the district audit report : A new board member for the Fire Protection District (a special purpose government) was reviewing the audit report for the district and noted that, although the district received an unqualified opinion, the audit report was longer the one received ..

Determine the markup necessary to make the desired return : Rollie Company is launching a new cleaning product for ceramic vases. The company invests $1,200,000 in operating assets, such as production equipment,and plans to produce and sell 400,000 units per year. Rollie wants to make a return on investmen..

Actual rate of pay for direct labor : The standard number of hours that should have been worked for the output attained is 10,000 direct labor hours and the actual number of direct labor hours worked was 10,500. If the direct labor price variance was $10,500 unfavorable, and the stand..

Given route measured in terms of passengers carried : Given route measured in terms of passengers carried (range is 0.1 to 1). Regress lfare on dist, passen and concen, and provide the heteroskedasticity-robust standard errors.

User Account

All Pages