Answer:

Step-by-step explanation:
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- hope it helps! -
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Answer:
49
Step-by-step explanation:
cos(x)=31/47
x=cos^-1 (31/47)
Because there are no parentheses, I'm assuming you're asking for how to factor this using the GCF, which can be done like so:
9−12x+6y
Factor a 3 out of this expression.
3(3 - 4x + 2y)
The expression has been simplified using the distributive property in reverse.
Answer:
40
Step-by-step explanation:
The frequency column gives the number of houses in the sample, then
number of houses = 5 + 11 + 23 + 1 = 40
Answer:
4
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13
Step-by-step explanation:
look up top for explanation