Pls help. If al lb and cl ld, which pair of angles are congruent.
1 answer:
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Answer:
7 -3
Step-by-step explanation:
You want to simplify: (3x³+2-x³) - (-5x³+2²+1)
(3x³+2-x³) - (-5x³+2²+1) = 3x³ + 5x³ +2 -x³ - 2²-1
=7x^3 - 3
Answer:
Step-by-step explanation:
Given
per minute
Required
Determine the cost of a 10 minutes call
First, we need to determine the expression for the call charges.
Let:
- x = minutes
- y = charges
The relationship between x and y is:
i.e.
1 is subtracted from the total minutes because the first minute has a fixed rate.
For a 10 minutes call
<em>Hence, the charges for a 10 minutes call is: Rs.43</em>