Answer:
30% students
Step-by-step explanation:
Let x be the number of total students of a school.
63% are girls then total number of girls = (0.63)x
37% are boys then total number of boys = ( 0.37)x
Now 23% of girls wear contacts then total number of girls
= (0.63x) × 0.23
= (0.1449x)
And 42% of boys wear contacts then total number of boys wearing contacts
= (0.37x) ( 0.42)
= (0.1554)x
Total students wears contacts = ( 0.1449x) + (0.1554x)
= (0.3003x)
Percentage of students wear contacts = 
× 100
= 
× 100
= 30%
All 30% students wear contacts.
Yes it is a 90 degree rotation clockwise.
Answer:
he domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes.
Step-by-step explanation:
:)
Answer:
contradiction
Step-by-step explanation:
they are both the same thing so how can they contradict? they can because the sign in the middle is greater than. if you put 1 in as x, you will get 2 is greater than 2 which does not make sense
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