The answer is c. because when you distribute it out, it equals the top equation
Answer:
E. None of the above
Step-by-step explanation:
Arc length = radius • angle in radians
30 deg = 0.523599 rad
L = 12 • 0.523599 = 6.28319
2π = 6.28319
Answer is E. None of the above
Answer:

Step-by-step explanation:


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Substitute ''x'' with '2' & 'y' with "-4":-

First let's solve 


Calculate exponents:- -4^5= -1024

Remove parentheses, apply rule:- 


Apply fraction rule:-


Divide numbers:-

Now that we're done factoring the denominator let's bring down the numerator which is ' 1 ':-

<u>☆-------☆-------☆-------☆</u>
This will be 3 * 10^6. =)
Answer:
Tamara incorrectly factored the whole expression.
Step-by-step explanation:
Note that
- 21x=3·7·x;
- 56xy=2·2·2·7·x·y.
Mark in bold all common factors, then GCF(21x,56xy)=7·x=7x.
Thus,
21x+56xy=7x(3+8y).
Hence, Tamara correctly found the GCF of numbers 21 and 56, but incorrectly factored the whole expression.