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Over [174]
3 years ago
8

Katy works as a court reporter. She can type 27,000 words in two hours. Which of the following best represents Katy's rate in wo

rds per minute?
A. 225 words per minute
B. 13,000 words per minute
C. 450 words per minute
D. 250 words per minute ​
Mathematics
2 answers:
tatuchka [14]3 years ago
8 0
The answer is c 450.
DerKrebs [107]3 years ago
5 0
The answer would be a because you divide 27000 by 2 to get words be hour then divide by 60 to get words per minute
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Which expression is equivalent to? Assume x > 0 and y > 0.
shtirl [24]

Answer:

The correct answer is third option

√5/(x²y)

Step-by-step explanation:

It is given an expression,√(55x⁷y⁶/11x¹¹y⁸)

Points to remember

Identities

xᵃ/xᵇ = x⁽ᵃ ⁻ ᵇ)

x⁻ⁿ = x¹/ⁿ

<u>To find the equivalent expression</u>

We have, √(55x⁷y⁶/11x¹¹y⁸)

By using above identity we can write,

√(55x⁷y⁶/11x¹¹y⁸) = √[(55/11) (x⁷/x¹¹) (y⁶/y⁸)]

 = √[5x⁷⁻¹¹ y⁶⁻⁸]

 = √[5x⁻⁴ y⁻²]

 = √[5/x⁴y²]

 = √5/(x²y)

Therefore the correct answer is third option

√5/(x²y)

8 0
3 years ago
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Mars2501 [29]

Answer: should be cos 52

Step-by-step explanation: :)

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2 years ago
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This is distributive property and to do distributive property, you distribute what is outside of the parenthesis to the numbers inside the parenthesis.

How-to-do:

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