Which statement is true about the graphs of the two lines y=-4/5x+2 and y=-5/4x-1/2 A The lines are perpendicular to each other because and - are opposite reciprocals of each other,
B The lines are perpendicular to each other because 2 and --re opposite reciprocals of each other.
C The lines are neither parallel nor perpendicular to each other because and are not opposite reciprocals of
each other.
D The lines are neither parallel nor perpendicular to each other because 2 and -- are not opposite reciprocals of each
other.

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for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.

●yes, this statement is absolutely apt.

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