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
Katena32 [7]
3 years ago
12

Simplify (5i-2i) (2+6i)-(4-i) show all work​

Mathematics
1 answer:
suter [353]3 years ago
5 0

↝ (3i)(2+6i)-(4-i)

↝ 6i+18i²-4+i

↝ 6i-18-4+i [ i² = -1]

Therefore, it's 7i-22

You might be interested in
When f(x) = 7x^2 - 2x + 4, evaluate f(-1)<br> f(-1) =
Blizzard [7]

Answer:

13

Step-by-step explanation:

do u want me to elaborate on how I found it>

5 0
3 years ago
160 is_% less than 200?
zmey [24]

Answer:

20%

Step-by-step explanation:

7 0
3 years ago
Jill rides her bike to her friend’s houses. Marge lives 3 miles away and Rocky lives 5 miles away. Eva lives 4 miles away and Pe
STALIN [3.7K]

Answer:

She will ride an average of 5 miles

Step-by-step explanation:

To calculate the average, add all the values together and divide by the amount of values:

3 + 5 + 4 + 8 = 20

20 ÷ 4 = 5

Average of 5 miles

4 0
3 years ago
FOR BRAINLIST ANSWER AND 10 POINTS ANSWER ALL PLZ !!!!!
igor_vitrenko [27]
<h2>Greetings!</h2>

A)

<h3>If you can see, every 4 minutes the amount of water is increasing at a constant rate. </h3>

197 - 153 = 44

285 - 241 = 44

<h3>This means that at 8 minutes, because there is 153 gallons already in, we can divide 8 by 4 to see how many groups of 4 minutes there were. </h3>

8 ÷ 4 = 2

So then we can subtract two lots of 44 from 153:

153 - (44 x 2) = 65

<h3>So the starting amount was 65.</h3>

B)

<h3>The answer to B is the second option, because it is true that the amount of water is increasing. This is by 44 gallons per 4 minutes.</h3>

The amount of gallons per minute can be found out by dividing the amount by 4:

44 ÷ 4 = 11

<h3>So it is 11 gallons per minute.</h3>
<h2>Hope this helps!</h2>
3 0
3 years ago
PLEASE IM IN CLASS AND I REALLY NEED AN ANSWER!! 20 PTS &amp; BRAINLIEST!!
makkiz [27]

Answer:

40

Step-by-step explanation:

you add all the numbers up then divide by how many numbers there are

7 0
3 years ago
Read 2 more answers
Other questions:
  • A girl asks her father how many ties he has and he answers with a riddle: "seven-eighths of my ties plus four."
    13·2 answers
  • Suppose Monica Walks 1 kilometer every 15 minutes. How many meters further can she walk in 1 hour at this new rate? EXPLAIN how
    10·1 answer
  • Gina wants to take dance classes. She compares two dance studios to determine which has the best deal for her. Dance World charg
    10·1 answer
  • What’s the correct answer for this?
    12·2 answers
  • The school band is ordering customized stickers to support the band. The cost for 100 stickers is $110.00 and the cost for 200 s
    7·2 answers
  • Holsen wants to know the theoretical and experimental probability of rolling a number larger than a 3 on a 6-sided number cube n
    13·1 answer
  • The no. Of adel beads to that of claire's beads was the ratio 7 :4 .When adel gave 68 beads to claire the ratio become 25 :41 .
    5·1 answer
  • Negative three times a number is at least 57.
    11·1 answer
  • Please ASAP let me know the answer!
    12·1 answer
  • Chris ran 25 miles, while Bill ran 5 miles. How many times farther did Chris run than Bill?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!