Answer:
Radical expressions must be simplified before adding or subtracting so that you are combining “like terms”. In the same way that 2x2 and 3x cannot be combined because they are not like terms, terms involving radicals cannot be combined unless the value under the radical is the same for both terms.
Answer:
Kyle should choose Option B. The mathematical expectation of this option is 7 and is the greater mathematical expectation of the two options.
Step-by-step explanation:
i took the k-12 quiz
goodluck
864=800+60+4 800 in the hundreds place 60 in the tens place and 4 in the ones place
The answer is 81 because 27 x 3
Cos (A-B) - cos (A+B)
= (cosAcosB +sinAsinB) - (cosAcosB - sinAsinB)
=2sinAsinB
Ans: 4
