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3 years ago

7

sam read 75 pages of a new mystery novel in 2 hrs. if the book contains 350 pages and he always reads the same rate, how long wi

ll it take him to read the entire novel

2 answers:

Andreyy893 years ago

7 0

About 8 hours, 37 minutes, and 30 seconds

8_murik_8 [283]3 years ago

6 0

7 hours and 45 minutes

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Choose the explicit and recursive formulas for the geometric sequence 45, 135, 405, 1215, 3645, .... PLEASE HELP ASAP

sesenic [268]

Answer:

Option (B)

Step-by-step explanation:

Given sequence is 45, 135, 405, 1215, 3645..........

Since it's a geometric sequence,

Common ratio of each successive term to the previous term

r = $\frac{135}{45}=3$

First term of the sequence 'a' = 45

Explicit formula of a geometric sequence will be,

$a_n=a(r)^{n-1}$

$a_n=45(3)^{n-1}$

Recursive formula of this sequence will be,

$a_n=3(a_{n-1})$ , $a_1=45$

Therefore, Option (B) will be the answer.

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Answer:

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Step-by-step explanation:

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Select the correct answer. What are the solutions of this quadratic equation?

ipn [44]

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2 years ago

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If a 10 cm radius wheel rotates through 2 radians how many meters has it rolled?

IrinaK [193]

2 radians = 2 full rotations
pi = 3.14

circumference of wheel = 2(pi)r
= 20 * 3.14
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meters rolled = 0.628 * 2
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3 years ago

What is the simplest form of the radical expression 8?

Kisachek [45]

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