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4 years ago

10 POINTS!!!!!!! HELP pLZ

Mathematics

2 answers:

pantera1 [17]4 years ago

7 0

Given:
k(n)=0.007n
n=8

=>
$k(8)=0.007(8)=0.056$

marissa [1.9K]4 years ago

5 0

You are given the function $k(n)=0.007\cdot n.$

In order to find k(8), you have to substitute n=8 into the function expression and calculate the value:

$k(8)=0.007\cdot 8=0.056.$

Answer: correct option is option C, k(8)=0.056.

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Which expression is equivalent to 2cos^2(x/2)- cos(x)?<br> Edge 2020

olchik [2.2K]

Given:

The expression is

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To find:

The expression which is equivalent to the given expression.

Solution:

We have,

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We know that,

$\cos x=2\cos^2 (\dfrac{x}{2})-1$

Using this formula, the given expression can be written as

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Step-by-step explanation:

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3 years ago

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a_sh-v [17]

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3 years ago

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Step-by-step explanation:

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