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Mathematics

1 answer:

inysia [295]2 years ago

3 0

Linear pair describes angles BAC and EAC

Given that angles bae and fac are straight angles.

We need to find the angle relationship best describes angles bac and eac

Now ,

According to the statement C, A , E lies on a same line and B , A , F lies on line intersecting A

When two lines meet at a single point, a pair of linear angles is created. If the angles follow the junction of the two lines and are close to one another, they are said to be linear pair.

Hence it is linear pair which describes angles bac and eac

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The number of subscribers to an online magazine is increasing by 34% each year. The function represents the number of subscriber

Anna71 [15]

Answer: A. The expression $(1.05)^{6t}$ reveals the approximate rate of increase in the number of subscribers if measured six times a year.

Step-by-step explanation:

Here, The number of subscribers to an online magazine is increasing by 34% each year. The function represents the number of subscribers after t years.

$f(t) = 13,000(1.34)^t$

where $(1.34)^t$ represents rate of increase in the number of subscriber.

If rate is measured six times a year

then the number of subscriber, $f(6t)= 13000(1+0.34/6)^{6t}$

$f(6t) = 13000( 1+0.05)^{6t}= 13000(1.05)^{6t}$ ( approx)

Thus, when we measure increment in six times a year then the rate rate of increase in the number of subscribers= $(1.05)^{6t}$

Therefore Option A is correct.

Note: Option B) is incorrect because rate of increase in the number of subscribers if measured three times a year = $13000(1.11)^{3t}$ ( approx)