1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vaieri [72.5K]
4 years ago
8

Which of the following is a complex number?

Mathematics
1 answer:
Olin [163]4 years ago
3 0

Answer:

The correct answer is option C , 4 + 9i

Step-by-step explanation:

A complex number is the one which has a real number and an imaginary number.

In all the example given , option C 4 + 9i has "i" which signifies the imaginary number which nothing but a negative square root.


You might be interested in
Different sizes of string needs to be cut to go around various shapes. All of the following sizes are in inches.
Brilliant_brown [7]

Answer:

first one

Step-by-step explanation:

6 0
3 years ago
In order to buy a $38 pair of shoes, you have to borrow $16 from your friend. How much money did you start with
Aleksandr-060686 [28]

Answer:

22 dollars

Step-by-step explanation:

38 - 16 = 22

if they cost 38 subtract the amount you borrowed(16) and you get what you started with(22)

7 0
3 years ago
Read 2 more answers
How would you write 7.202 as a mixed number?
zhenek [66]

7.202 = 7202/1000 = 7 202/1000

So, 7 202/1000 is your answer.....

3 0
3 years ago
Mr. Jamison wants to borrow $375,000 to
notsponge [240]

Answer: The interest rate can he afford to pay on his  | loan =7.5%

Step-by-step explanation:

Given: Principal amount = 375,000

Interest amount per year =  $28,125

Interest percentage = \dfrac{\text{Interest}}{\text{Principal}}\times100\%

=\dfrac{28125}{375000}\times100\%\\\\=7.5\%

Hence, The interest rate can he afford to pay on his  | loan =7.5%

7 0
3 years ago
The time to complete the construction of a soapbox derby car is normally distributed with a mean of three hours and a standard d
Bezzdna [24]

Answer:

0% probability that it would take exactly 3.7 hours to construct a soapbox derby car

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Also, the probability of finding an exact value in the normal probability distribution is 0.

So

0% probability that it would take exactly 3.7 hours to construct a soapbox derby car

3 0
3 years ago
Other questions:
  • Write 3÷25 as a decimal
    8·2 answers
  • Clark wants to figure how many pens to order for the office. There are 24 workers, and he needs to order one pen for each worker
    8·1 answer
  • A system of equations has no solution. If y = 8x + 7 is one of the equations, which could be the other equation?
    15·2 answers
  • Simplify to create an equivalent expression.<br> 10+4(-8 q-4)}10+4(−8 q−4)
    9·2 answers
  • Kevin and Levi go to the movie theater and purchase refreshments for their friends. Kevin spends a total of $44.50 on 3 bags of
    9·2 answers
  • A wire 18cm long is cut into 2 pieces. the longer piece is 2 cm longer than the shorter piece. Find the lenght of the shorter pi
    8·1 answer
  • If Johnny has 2 apples, and Nick has 5 how many do they have together?
    5·2 answers
  • What is the quotient of 3,600 ÷ 103?
    15·2 answers
  • I’ll give brainliest if you answer this right
    12·1 answer
  • Mya had 12 assignments to complete by Friday of this week. So far, she completed 75% percent of her assignments this week. How m
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!