Narancia Ghirga
Popular questions and responses by Narancia Ghirga
Math
Find the eighth term of the sequence 5, 15, 45, 135 ... I got 10,935
asked on June 13, 2019 
Math
Convert the rectangular coordinates into polar coordinates (5,5sqrt3)
asked on June 12, 2019 
Math
Write 10+6+2+(2)+(6)+(10)+(14) in sigma notation.
asked on June 13, 2019 
Math
Write the following complex number in polar form. Express all angles in degrees rounded to the nearest tenth. Given complex number: 5+6i
asked on June 13, 2019 
Math
The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A=2600e^0.08t . By what
asked on June 13, 2019 
Math
Which of the following is another representation of the polar coordinate P=3,45° ?
asked on June 12, 2019 
Math
Write the mathematical expression that describes the arithmetic sequence. Use sigma notation to describe the sum of the first ten terms of the arithmetic sequence 20, 18.5, 17, 15.5, 14, (the difference is from 1.5) Help, please!
asked on June 7, 2019 
Math
Which of the following is a complex fourth root of 16? I got 2(cos90°+isin90°) Is it okay?
asked on May 30, 2019 
Math
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 it ok?
asked on June 4, 2019 
Math
Suppose you deposit $10,000 into a savings account with 3.5% compound interest compounded each month. Find the account balance in 50 years. Round the answer to the nearest thousand dollars. Help
asked on June 10, 2019 
Math
Find the sum of a geometric series with the following values: a1=3; r=2; n=10 i got; 2,880
asked on June 4, 2019 
Math
Write the arithmetic sequence that has three arithmetic means between 16 and 16. I got 16, 8, 0, 8, 16 is it okay?
asked on June 4, 2019 
Math
Find the sum of the first 30 terms of the sequence: 1, 1, 1, 1, 1, … I got 1 is it okay?
asked on June 4, 2019

Math
In my exercises, the only answer appears as 61(cos5.2+isin5.2) and sqrt61(cos5.2+isin5.2)
posted on June 13, 2019 
Math
wait how can I write that in a paper?
posted on June 13, 2019 
Math
r=61 and TanØ= 50.2° so it would be like 61(cos5.2+isin5.2)?
posted on June 13, 2019 
Math
I got 3,225 is it okay?
posted on June 12, 2019 
Math
Thanks Reiny, I have problems with maths
posted on June 4, 2019