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Aleks [24]
2 years ago
14

Ill give brainliest to CORRECT ANSWER!

Mathematics
2 answers:
tia_tia [17]2 years ago
4 0

Answer:

A or 12

Step-by-step explanation:

2 + z = 4 + 10

2 + z = 14

z = 12

A

vovikov84 [41]2 years ago
3 0

Answer:

A

Step-by-step explanation:

2 + 12 = 14 = 4 + 10

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Mary bought a handbag for 15.00naira. if she sold it for 18.00,what was her percentage gain?​
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Answer:

total profit gained = 20%

Step-by-step explanation:

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total profit percentage =

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hence her total percentage gain was 20%

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3 years ago
What is the scale factor?
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Let P (x, y) be the statement "Student x has taken class y," where the domain for x consists of all students in your class and f
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Answer: Hello mate!

we know that p(x,y) means "Student x has taken class y"

and the used symbols are:  

∃: this means "existence", you use this symbol to say that there exists at least one object that makes true the sentence.

∀: this means "for all", you use this symbol to say that the sentence is true for all the elements, then:

a) ∃x∃yP (x, y)

"exist at least one student x, that took at least one class y"

b) ∃x∀yP (x, y)

"exist at least one student x, that took all the classes y"

c) ∀x∃yP (x, y)

"every student x, took at least one class y"

d) ∃y∀xP (x, y)

"exist at least one class y, that has been taken by all the students x"

e) ∀y∃xP (x, y)

"for every class y, there is at least one student x that took the class"

f) ∀x∀yP (x, y)

"all the students x took all the classes y"

4 0
3 years ago
There are 12 boys and 13 girls in a class. If the teacher randomly chooses a student's name out of a hat, what is the probabilit
balu736 [363]
If there are 12 boys and 13 girls, there are 25 kids in the class total.  This means that 13/25 are girls.  In order to know the probability, you must divide 13 by 25, which gets an answer of 0.52, which is equal to 52%.

52%
7 0
3 years ago
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If you round (to the hundreths), it would be 97/100

Without rounding, it is 96/100 which simplifies to 24/25
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3 years ago
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