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3 years ago

I NEED HELP! Here’s The Options

Mathematics

2 answers:

Tems11 [23]3 years ago

5 0

A.) rotation 180° counterclockwise about the origin.
(-x, -y)..........YES

B.)Reflection across the origin
(-x, -y)..........YES

C.) Rotation 180° clockwise About the origin
(-x, -y)..........YES

D.) reflection across the line y=-x
(-y, -x)..........NO

answer
D.) reflection across the line y=-x

Lerok [7]3 years ago

3 0

I want to say that your answer is D

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3 years ago

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shusha [124]

Answer: $428,500

Step-by-step explanation:

Since commission is 1% = 1/100

Let the missing amount be represented as p

From the question, 1/100 × p = 4285

1/100p = 4285

Divide both sides by 1/100 to get the value of p

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6 0

3 years ago

De moirve's (√3-i ÷ √3+i)^6 = 1

bulgar [2K]

(√3 - i ) / (√3 + i ) × (√3 - i ) / (√3 - i ) = (√3 - i )² / ((√3)² - i ²)

… = ((√3)² - 2√3 i + i ²) / (3 - i ²)

… = (3 - 2√3 i - 1) / (3 - (-1))

… = (2 - 2√3 i ) / 4

… = 1/2 - √3/2 i

… = √((1/2)² + (-√3/2)²) exp(i arctan((-√3/2)/(1/2))

… = exp(i arctan(-√3))

… = exp(-i arctan(√3))

… = exp(-iπ/3)

By DeMoivre's theorem,

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3 years ago

Angad rolls a fair dice 120 times. How many times would Angad expect to roll an even number?

Luda [366]

Answer:

60 times

Step-by-step explanation:

Since each roll has a 50% chance of rolling an even number

50% of 120 is 60

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3 years ago