2 years ago

Kevin is 333 times as old as Daniel. 444 years ago, Kevin was 555 times as old as Daniel.

Mathematics

1 answer:

Taya2010 [7]2 years ago

8 0

Answer: 24

Step-by-step explanation: yeah

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(4x+1)(3x-7) yup it hurts

musickatia [10]

Answer:

12x^2-25x-7

Step-by-step explanation:

Multiply each term by its counterpart in the parenthesis.

4x*3x and 4x*-7

1*3x and 1*-7

This gives you 12x^2-4x*7+3x-7 when the like terms are combined.

Collect the like terms, which will give you 12x^2-25x-7

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3 years ago

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myrzilka [38]

A= (a+b)/2*h
A=(12+15)/2*5
A=(27/2)*5
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3 years ago

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Step-by-step explanation:

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3 years ago

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How many decibels is this? show work

slavikrds [6]

Answer:

115 dB

Explanation:

1. Given equation:

$\beta =10log(\frac{I}{I_0})\\\\ I_0=10^{-12}W/m^2$

2. Given intensity:

$I=0.315W/m^2$

3. Decibels

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