Answer:
- 8
Step-by-step explanation:
Given
= 4a + 8z ← substitute a = 8 and z = 3 into the expression
= - 4(8) + 8(3)
= - 32 + 24
= - 8
Answer:
0, 1, and 2 are real numbers.
Step-by-step explanation:
i is an imaginary number which isn't a real number.
Answer:
b
Step-by-step explanation:
cuz u add them all
Answer:
1056 ft
Step-by-step explanation:
We need to convert the units from miles per hour to feet per second:
recall that i mile = 5280 ft, and one hour is 3600 seconds, so we do the conversion of the 120 miles per hour speed as follows:
which means that the car cover 176 ft in one second. Therefore, in 6 seconds it will cover 6 times this:
distance = 176 * 6 = 1056 ft