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ahrayia [7]
3 years ago
14

Can someone do help with any of these please?

Mathematics
1 answer:
laiz [17]3 years ago
8 0
39.

|z+7|=12/3
|z+7|=4
z+7=4
-(z+7)=4
solve the first equation:
z+7=4
z=-3
solve the second equation:
-(z+7)=4
z=-11

z=-11,-3

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Sidana [21]
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3 0
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katrin2010 [14]

Answer:

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7 0
2 years ago
A number, half of that number, and one fifth of that number are added. The result is 51. What is the original number?
Lera25 [3.4K]
Let the original number be ‘x’
Then half of that number= 1/2x or simply x/2
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7 0
3 years ago
The numbers 1 through 15 are written on cards. One card is chosen at random. Event A is choosing a
lana [24]

Step-by-step explanation:

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the information about event B and even numbers is irrelevant for the question.

6 0
2 years ago
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