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Y_Kistochka [10]
3 years ago
11

What is the midpoint between (−9 − i) and (4 + 5i) on the complex plane

Mathematics
1 answer:
gogolik [260]3 years ago
6 0

Answer:

-2.5 + 2i.

Step-by-step explanation:

That would be  (-9 + 4)/2   +    (-i + 5i)/2

= -5/2 + 4i/2

= -2.5 + 2i  (answer).

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Systems of equations by substitution
Korolek [52]
Could you please clarify the question please by putting a question to be solved? Or are you asking for the definition?
6 0
3 years ago
1. How many solitions does this equation have -4(5-3x)=12x+20
Rom4ik [11]

Answer:

1. no solutions

2. one solution

Step-by-step explanation:

1. -4(5-3x)=12x+20

-20+12x=12x+20

-40+12x=12x

-40=0?????

So no solutions.

2. 3x+7(x+1)=2(6x+5)+2

3x+7x+7=12x+10+2

10x+7=12x+12

-2x+7=12

-2x=5

x=-5/2

So one solution.

6 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME
nikklg [1K]

Answer:

BDE = 70

EDG = 50

FDG = 60

CDA = 85

Step-by-step explanation:

it tell you the answer then the letter you line them up. BOM the answer

3 0
2 years ago
Steve and Elizabeth decide to become partners in a children’s cooking school. They need $80,000 for the franchise. They invest i
PilotLPTM [1.2K]

Answer:

The share of Steve  is $34,285 .71

The share of Elizabeth  is  $45,714.28

Step-by-step explanation:

The total investment of Steve and Elizabeth in cooking school = $80, 000

The ratio of investment of  Steve and Elizabeth  = 3: 4

Let us assume the common factor in the ratio is m.

So, the ratio of  Steve = 3 m

and the ratio of  Steve = 4 m

So, according to the question:

⇒ 3 m + 4 m   =  80,000

or, 7 m = 80,000

⇒ m = 80,000 / 7 = 11,428.57

or, m = 11,428.57

⇒ The share of Steve = 3 m = 3 x (11,428.57)  = 34,285 .71

⇒ The share of Elizabeth = 4 m = 4 x (11,428.57)  = 45,714.28

4 0
3 years ago
What is the total surface area of the figure shown​
lesantik [10]

Answer: 1,480

LxW of all 10 sides

6 0
3 years ago
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