A city finds empirically that an automobile going through the intersection of 5th and Main will run a red light sometime during
1 answer:
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Answer:
The number of white horses is 52
Step-by-step explanation:
Let
x ----> the number of black horses
y ----> the number of white horses
we know that
----> equation A
----> equation B
Substitute equation B in equation A and solve for y
therefore
The number of white horses is 52
Answer:
1) x= -36.
2) x = 0.
Step-by-step explanation:
1) Taking the 3rd power to both sides and using the following exponent law:
we get:
So this tells us that x = -36.
2) We can distribute the power inside every term. So the left side becomes:
Now, the trick here is to remember that , so replacing 1 with
, which then gives us:
, telling us that 3x = 0 and thus, x = 0.