I think the value of x is 15
Answer: -7.5
Step-by-step explanation:
area = 1/2bh.
area = 1/2(x+6)(5)
area = x/2 + 15
area = x/2 = -15
area = x = -7.5
area = -7.5
The speed is 630mp/s I think. Because you have to multiply Wavelength by Frequency to get true speed
Answer:
-2
Step-by-step explanation:
[3-(-1)]/[2-4] = -2
