Questions and answers by

Narancia Ghirga

Questions (8)

Which of the following is another representation of the polar coordinate P=3,45° ?
1. 2 answers
2. 783 views
Suppose you deposit $10,000 into a savings account with 3.5% compound interest compounded each month. Find the account balance
1. 2 answers
2. 1,189 views
Write the mathematical expression that describes the arithmetic sequence.Use sigma notation to describe the sum of the first ten
1. 1 answer
2. 608 views
Write the geometric sequence that has five geometric means between 1and 15,625.I got: 1, 5, 25, 125, 625, 3,125, 15,625, … is
1. 3 answers
2. 2,517 views
Find the sum of a geometric series with the following values: a1=3; r=2; n=10i got; 2,880
1. 1 answer
2. 714 views
Write the arithmetic sequence that has three arithmetic means between -16 and 16.I got -16, -8, 0, 8, 16 is it okay?
1. 2 answers
2. 604 views
Find the sum of the first 30 terms of the sequence: -1, 1, -1, 1, -1, …I got -1 is it okay?
1. 1 answer
2. 453 views
Which of the following is a complex fourth root of -16?I got 2(cos90°+isin90°) Is it okay?
1. 1 answer
2. 638 views

In my exercises, the only answer appears as 61(cos5.2+isin5.2) and sqrt61(cos5.2+isin5.2)
I got -3,225 is it okay?
Thanks Reiny, I have problems with maths

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