3 years ago

Lines l and m are parallel lines cut by the transversal line t. Which angle is congruent to ∠7?

Mathematics

1 answer:

pav-90 [236]3 years ago

6 0

Answer:

<3, <2 or <6

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

If a geometric sequence has a2 = 495 and a6 = 311, approximate the value of the common ratio ???? to four decimal

shtirl [24]

Answer:

$r = 0.8903$

Step-by-step explanation:

given,

a₂ = 495

a₆ = 311

geometric sequence formula

$a_n = ar^{n-1}$

$a_2 = ar^{2-1}$

$a_2 = ar$ ...................(1)

$a_6 = ar^{6-1}$

$a_6 = ar^5$ ................(2)

dividing equation (2) by (1)

$\dfrac{a_6}{a_2} = \dfrac{ar^5}{ar}$

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