Answer:
B. (x-5)²+(y+1)² = 49
Step-by-step explanation:
An equation of a circle with center (h, k) and radius r is
We have all given information we need. Our h is 5 - Our k is -1 and our radius is 7
Substitute these values in
So the answer is B choice.
Answer:
c
Step-by-step explanation:
according to PEMDAS you should always do whats inside the parentheses first, then you'll multiply the parentheses by 5
35 students would not know any of the three languages, because if 30 know French, 19 knew German, and 16 knew Russian, that must mean that 65 students know at least one of the three languages. So you subtract 65 from 100 and end up with 35
Answer:
8x + 9
Step-by-step explanation:
Treat the question as 2 separate brackets
First expand 3(2x + 1) :
6x + 3
Then expand 2(x + 3) :
2x + 6
Now add the two answers together and simplify :
= 6x + 3 + 2x + 6
= 8x + 9
hope this helps :)
Answer:
A
Step-by-step explanation:
sin is opposite/hypotenuse, which is 24/26, simplifying to 12/13
