The answer would be:
40>_ 2x+5.
This means that she can buy a maximum of 17.5 CD's.
Answer:
Kate, Benjamin, and Logan
Step-by-step explanation:
Kate's location is -0.6 feet, closest to sea level. Benjamin is -1.24, second closest to sea level. Logan is -2.95 feet, third closest to sea level.
Answer:
This is hard
Step-by-step explanation:
Well idk
Answer:
Step-by-step explanation:
=)
Hope this helps!
Answer:
see explanation
Step-by-step explanation:
Using the addition identity for sine
sin(x + y) = sinxcosy - cosxsiny
Consider the left side
cos²(45 - A) - sin²(45 - A)
cos²(45 - A) = 1 - sin²(45 - A), thus
1 - sin²(45 - A) - sin²(45 - A)
= 1 - 2sin²(45 - A) ← expand sin(45 - A)
= 1 - 2(sin45cosA - cos45sinA)²
= 1 - 2(cosA - sinA)²
= 1 - 2(cos²A - sinAcosA + sin²A)
= 1 - cos²A + 2sinAcosA - sin²A
= sin²A + 2sinAcosA - sin²A
= 2sinAcosA
= sin2A = right side ⇒ verified