Cosine rule: a^2<span> = b^</span>2<span> + c^</span>2<span> - 2bc </span>cos<span> A
-> a^2 > b^2 + c^2 - 2bca
-> abc > (b^2 + c^2 - a^2) /2</span>
The formula of a volume of pyramid:



substitute

A) 24(2+3)
hope this helps❤️
Answer:
the answer is A
Step-by-step explanation:
y is the total and 48 is the minutes
x is the number of hours,
so when you multiply x by 48, you get
the total, which is y
Idk if it helps but i tried :/ C:
Answer:
Step-by-step explanation:
Simplifying
-3a + 8 = 2z + -12
Reorder the terms:
8 + -3a = 2z + -12
Reorder the terms:
8 + -3a = -12 + 2z
Solving
8 + -3a = -12 + 2z
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + -3a = -12 + -8 + 2z
Combine like terms: 8 + -8 = 0
0 + -3a = -12 + -8 + 2z
-3a = -12 + -8 + 2z
Combine like terms: -12 + -8 = -20
-3a = -20 + 2z
Divide each side by '-3'.
a = 6.666666667 + -0.6666666667z
Simplifying
a = 6.666666667 + -0.6666666667z