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DIA [1.3K]
3 years ago
9

Which of the following expressions are equivalent to 10-12

Mathematics
1 answer:
ladessa [460]3 years ago
6 0

Answer:-12+10

Step-by-step explanation:10-12 can also be written as -12+10 which will give you -2

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Find the distance between 2-3i and 9+21i
Andre45 [30]

Answer:

  25

Step-by-step explanation:

The distance is the magnitude of the difference:

  |(2 -3i) -(9 +21i)| = |-7 +24i| = √((-7)² +24²) = √625 = 25

The distance between the two points in the complex plane is 25 units.

6 0
3 years ago
Find the midpoint between the two points (-4,4) and (-2,2)
Ymorist [56]

Answer: (-3,3) is the answer

6 0
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a boat takes 8 hours to go 6 miles upstream and come back to the starting point. if the speed of the boat is 4 miles per hour in
Romashka-Z-Leto [24]
Consider this option:
1. if to re-write the condition, it is given: total time t=8 hours; upstream=downstream=6 miles; V_boat=4 m/h., V_current=V=?
2. note, that total time=time_upstream+time_downstream, where time_upstream=6miles/(V_boat-V) and time_downstream=6miles/(V_boat+V). Using this it is possible to make up and solve the following equation:
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answer: √10

P.S. the roots of the equation are √10 and (-√10), only positive values is needed for V.
7 0
3 years ago
This Line Chart shows the number of soft drink bottles a vendor sold during each month of baseball season.
navik [9.2K]
The answer is A: 50



400 - 350 = 50
4 0
3 years ago
At a bake sale there were 90 items sold total. If 42 of the items sold were cookies and the rest were brownies what is the ratio
kari74 [83]
Firstly, you do 90 - 42 to get the amount of brownies sold, which is 48. Then, you put 42 and 48 into a ratio like 42:48. After that, all you need to do is simplify to get 7:8.
5 0
3 years ago
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