3 years ago

A girl is 30 months old. What is her age in years and months?

Mathematics

1 answer:

jeyben [28]3 years ago

7 0

Answer:

She is 2 years and 6 months old.

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4 years ago

Please Answer I don't understanddd

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4 years ago

Which graph represents the solution to this inequality? 16x-80x<37+27

marin [14]

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Step-by-step explanation:

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3 years ago

Donna, Neil, and Frank are siblings. Donna is the oldest. Frank’s age is 1/4 of Donna’s age. Right in equation to represent Fran

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4 years ago

Find the determinant of the following matrix. A =<br>-2 6<br>3 5

Blababa [14]

Answer:

$|A| = - 28$

Step-by-step explanation:

Given

$A = \left[\begin{array}{cc}-2&6\\3&5\end{array}\right]$

Required

Determine the determinant

For a two by two matrix, A such that:

$A = \left[\begin{array}{cc}a&b\\c&d\end{array}\right]$

The determinant |A| is:

$|A| = a * d - b * c$

So, in

$A = \left[\begin{array}{cc}-2&6\\3&5\end{array}\right]$

The determinant is:

$|A| = -2 * 5 - 6 * 3$

$|A| = -10 - 18$

$|A| = - 28$

6 0

3 years ago