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aev [14]
3 years ago
13

Which of the following is a complex number? -7 2 + StartRoot 3 EndRoot 4 + 9i Pi

Mathematics
2 answers:
NemiM [27]3 years ago
8 0

Answer:

4 + 9i

Step-by-step explanation:

a complex number by definition must have a real and imaginary components

imaginary components are denoted by the letter i, where i = √(-1)

the only choice with a real and imaginary components is 4 + 9i

iris [78.8K]3 years ago
6 0

Answer:

C. 4+9i

Step-by-step explanation:

Edge 2020

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Answer:

a

Step-by-step explanation:because

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4 years ago
Answer correctly for brainliest
mr_godi [17]

Answer:

x=3

Step-by-step explanation:

When you substitute x = 3 to both equations, you get y = -4 for both so that is a solution

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3 years ago
Please solve B, C, D, E, and F and I will give Brainliest!
kykrilka [37]

Answer:

a. 125

b. 25/64

c. 0.25

d. 343

e. 49/4

f. 0.81

Step-by-step explanation:

multiply by the same number by the amount of times the power tells you

b. 5*5 = 25         8*8= 64

c. 5*5 = 25         0.5*0.5 = 0.25

d. 7*7*7 = 343

e. 7*7 = 49         2*2= 4

f. 9*9 = 81        0.9*0.9= 0.81

5 0
3 years ago
Use the function below to find F(3)
garik1379 [7]

Answer:

Theanswer is 4/27.

Step-by-step explanation:

given that, F(x) = 4×(1/3)^x

now , F(3)= 4×(1/3)^3 ( putting value of x)

or, F(3) = 4×(1/27)

therefore, F(3)= 4/27... ans

<em><u>hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em>

8 0
4 years ago
T-shirts are on sale for 35% off. If a T-shirt originally costs 17.40, what is the sale price?
ch4aika [34]

Answer:

49.7142857143

Step-by-step explanation:

17.40/35%

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3 years ago
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