Answer:
y=90 when x=4
Step-by-step explanation:
We are given that
When x=8 and y=250
We have to find the value of y when x=4
Where k= Proportionality constant
Substitute the values
Now, substitute x=4 and k=5/2
Then, we get
Karabo is training by running for the Comrades Marathon ; he starts his training by running 40km per week . Each week he increas
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Answer:
PC = 14.42 cm
Step-by-step explanation:
If a tangent and secant are drawn from a point outside a circle, then the product of the lengths of the segments of the secant is equal to the square of the length of the tangent.
PC² = PB × BD
PC² = 4 × 52
PC² = 208
PC =
PC = 14.42 cm