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
Art [367]
3 years ago
9

Simplify this expression (-4-9i)+(5-7i)

Mathematics
2 answers:
Charra [1.4K]3 years ago
8 0
To simplify you combine like terms. 
You open parenthesis-
-4 - 9i + 5 - 7i
combine like terms-
1 - 16i   is your answer. 
Hope this helps!

swat323 years ago
8 0
You can simplify the real and imaginary parts independently:

-4+5 = 1
-9i-7i = -16i

So the simplified expression is 1-16i
You might be interested in
Hi guys can you please help me with this test.
Anika [276]
Sure! but unfortunately the picture is blank. not sure if it’s just my screen
4 0
3 years ago
A 52 foot ladder is set against the side of a house so that it reaches up 48 feet. If Jace
Alik [6]

Answer:

34.3

Step-by-step explanation:

no

8 0
3 years ago
Mrs. Reed collects shells. Each shell in her collection weighs about 4 ounces. Her collection weighs about 12 pounds in all. Abo
Mariana [72]

Answer:

There are about 48 shells in Mrs. Reeds collection.

Step-by-step explanation:

There are 16 ounces per 1 pound.

4 ounces per shell.

16 x 12 = 192 ounces

192 ounces divided by 4 = 48

8 0
3 years ago
Should my answer be 85=360+12h
pickupchik [31]

Answer:

h = \frac{- 275}{12}

Step-by-step explanation:

85 = 360 + 12h

85 - 360 = 360 - 360 + 12h

- 275 = 12h

- 275 ÷ 12 = 12h ÷ 12

h = - 275/12

3 0
3 years ago
Read 2 more answers
Help on the 10th question please!!
Svetlanka [38]

Answer

2336.5719? more

Step-by-step explanation:

17407*0.09= 1566.63

17407+1566.63=17973.63

17973.63*0.13= 2336.5719

2336.5719+17973.63=20310.2019

20310.2019-17973.63=2336.5719

3 0
2 years ago
Other questions:
  • Y= -x+5 substitute -3 for x
    5·2 answers
  • Is y=4.5x3 a linear function?
    6·2 answers
  • Vanessa is creating centerpieces for a reception. Each centerpiece will consist of eight flowers arranged around one candle. Van
    12·2 answers
  • Need help with this ASAP PLZ
    10·1 answer
  • Which fractions are equivalent to 40%? Check all that apply.
    15·2 answers
  • Round off 174 to the nearest hundred​
    13·2 answers
  • In 2013 the most expensive cocktail (made with 1858 ‘Cuvee Leonie’ cognac) was sold in Australia for $12,000. What would have be
    6·1 answer
  • Three hikers equally shared One-half gallon of water. Explain how you would use an area model to find the amount of water each h
    12·1 answer
  • 40 POINTS please help
    5·2 answers
  • Help help math math math
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!