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cricket20 [7]
3 years ago
5

Rewrite each expression using I

Mathematics
2 answers:
san4es73 [151]3 years ago
7 0
Just so you know, it has to be written as a lowercase i to represent an imaginary number.

a) 2i
The square root of 4 is 2, the negative under the square root is what makes it imaginary

b) 2i times the square root of 3

c) 5 + (5i times the square root of 2)

d) 3 - (i times the square root of 2)
frozen [14]3 years ago
5 0

Answer:

Step-by-step explanation:

a.) ✓-4

✓-1 × ✓4

i×2

2i. Final answer

b.) ✓-12

✓-1 ×✓12

2✓3i

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Answer:

It's letter b

Step-by-step explanation:

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4 0
3 years ago
The thickness of each type of coin is shown in the table. How much thicker is a stack of a dollars worth of nickels than a dolla
il63 [147K]

Answer:

16 nickels thicker

Step-by-step explanation:

You would need 20 nickels for 1 dollar and only 4 quarters for 1 dollar.  Do 20 minus 4 and your answer is 16 nickels. The stack of nickels is 16 coins thicker. Hope this helped!

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3 years ago
Could someone help me with this?
Juli2301 [7.4K]
(4,4)736472i would help but i jus points to do my homework lol
4 0
3 years ago
the first and last term arithmetic sequence are 9 and 165 respectively.if the sum of all the terms of the arithmetic sequence is
diamong [38]

Answer:

  • 40 terms

Step-by-step explanation:

<u>Sum of n terms formula:</u>

  • Sn = 1/2n(a1 + an)

<u>Solving for n</u>

  • 3480 = 1/2n(9 + 165)
  • 3480 = 87n
  • n = 3480/87
  • n = 40
3 0
3 years ago
Read 2 more answers
Can somebody please help me with this:)
max2010maxim [7]

Answer: 4=-2x -1 and y=-1 2x

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3 years ago
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