Answer:
Step-by-step explanation:
Given that L is a line parametrized by

The plane perpendicular to the line will have normal as this line and hence direction ratios of normal would be coefficient of t in x,y,z
i.e. (2,3,-1)
So equation of the plane would be of the form

Use the fact that the plane passes through (2,0,-1) and hence this point will satisfy this equation.

So equation is

b) Substitute general point of L in the plane to find the intersecting point

i.e. same point given.
Cost of 380 gram of sweets = (2.1/50) * 380 = $15.96
Answer:

Step-by-step explanation:
The common ratio can be found by finding the quotient of a term and the previous term in the sequence.

The common ratio is -0.5.
The rule is to multiply a term in the sequence by -0.5 to get the next term.
Next 3 terms :

The next 3 terms are 0.875, -0.4375, 0.21875.