The value of x is 15.56.
Solution:
Tangent and Secant theorem:
If one secant and one tangent are drawn to a circle from one exterior point, then the square of the length of the tangent is equal to the product of the external secant segment and the total length of the secant.
BE = 22 BD = x, CD = x
BC = x + x = 2x
By the tangent and secant theorem,



Divide by 2 on both sides of the equation, we get

Take square root on both side of the equation.
x = 15.56
Hence the value of x is 15.56.
Answer:
174 I'm pretty sure
Step-by-step explanation:
multiply 9 x10 = 90
subtract 90 - 3=87
multiply 87×2
Answer:
the answer is 5 and u know the rest
Answer: −10
Step-by-step explanation: 9^2−21/−6
81−21/−6
60/−6
−10
Answer:
The sample would double in 9 hours
Step-by-step explanation
The number of hours it will take for the sample to double can be found using the 72 rule.
The 72 rule is such that a growth rate would double itself by it is used in dividing the number 72 as shown below:
number of hours =72/8=9 hours
The number of hours it would take the sample to double is 9 hours as computed above.