Answer: 20
Step-by-step explanation:
Assuming your question is:
Z² - X² - XY X = -2, Y = 3, Z = -4
Substitute values
(-4)² - (-2)² - {(-2)(3)}
{(-4)(-4)} - {(-2)(-2)} - (-6)
(16) - (4) + 6
16 - 4 + 6
20
1,760 ft. I can't guaruntee that's correct though...
Answer:
8.83176
Step-by-step explanation:
The square root of 78 is 8.83176, or 8.832 (rounded to the nearest thousandth).
Question 8 is false that’s all i know
Answer:
r = -189
Step-by-step explanation:
Let's make it easy,
-13=r/9+8
r/9 = -13-8
r/9 = -21
r = -21 × 9
r = -189
