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Nataliya [291]
3 years ago
7

Find the sum of 3-7i and 8+4i A. 22-8i B. 11+3i C. -22+8i D. 11-3i

Mathematics
1 answer:
Veronika [31]3 years ago
8 0
D.11-3i add the numbers 11-7i+4i
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I need help on number 2
Nina [5.8K]

9514 1404 393

Answer:

  a. 405

  b. -2

  c. 5

  d. 43

Step-by-step explanation:

I don't like doing arithmetic any more than you do, so I let a calculator do it for me. A spreadsheet works well for this, too. The function values are shown in the attachment.

Put the function argument where the variable is and do the arithmetic.

  a. h(4) = 5·3^4 = 405

  b. d(2) = 7 -9(2 -1) = -2

  c. h(0) = 5·3^0 = 5

  d. d(-3) = 7 -9(-3 -1) = 43

7 0
3 years ago
Plizz help me out on this oneee
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3 years ago
What is (4c)^2d ?<br> c = 5 and d = 8
Arte-miy333 [17]

Answer:

  3200

Step-by-step explanation:

Replace the variables with their values and do the arithmetic.

  (4·5)²·8 = 20²·8 = 400·8 = 3200

6 0
3 years ago
3) Ashley uses the two points on the coordinate plane to represent the location of her house and the public library. Each unit o
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4 0
3 years ago
A cylinder is full at 471 cubic centimeters and has a radius of 5 centimeters. it currently contains 314 centimeters of water.
solniwko [45]
A cylinder is full at 471 cubic centimeters and has a radius of 5 centimeters. it currently contains 314 centimeters of water.
what is the difference between the height of the water in the full cylinder and the height when 314 cubic centimeters of water remains in the cylinder?
use 3.14 for pi
310 cm
6 0
3 years ago
Read 2 more answers
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