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tresset_1 [31]
3 years ago
7

A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

it is 1500 and .97

Hope this helps! Have a blessed day!

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Can we obtain a diagonal matrix by multiplying two non-diagonal matrices? give an example
polet [3.4K]
Yes, we can obtain a diagonal matrix by multiplying two non diagonal matrix.

Consider the matrix multiplication below

\left[\begin{array}{cc}a&b\\c&d\end{array}\right]   \left[\begin{array}{cc}e&f\\g&h\end{array}\right] =  \left[\begin{array}{cc}a e+b g&a f+b h\\c e+d g&c f+d h\end{array}\right]

For the product to be a diagonal matrix,

a f + b h = 0 ⇒ a f = -b h
and c e + d g = 0 ⇒ c e = -d g

Consider the following sets of values

a=1, \ \ b=2, \ \ c=3, \ \ d = 4, \ \ e=\frac{1}{3}, \ \ f=-1, \ \ g=-\frac{1}{4}, \ \ h=\frac{1}{2}

The the matrix product becomes:

\left[\begin{array}{cc}1&2\\3&4\end{array}\right] \left[\begin{array}{cc}\frac{1}{3}&-1\\-\frac{1}{4}&\frac{1}{2}\end{array}\right] = \left[\begin{array}{cc}\frac{1}{3}-\frac{1}{2}&-1+1\\1-1&-3+2\end{array}\right]= \left[\begin{array}{cc}-\frac{1}{6}&0\\0&-1\end{array}\right]

Thus, as can be seen we can obtain a diagonal matrix that is a product of non diagonal matrices.
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3 years ago
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If 203 turnips are to be shared equally among 7 rabbits. how many should each rabbit receive?<br>​
denpristay [2]

Answer:

29

Step-by-step explanation:

203/ 7 = 29

3 0
2 years ago
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The concession stand at a football game sells hot dogs and drinks. It costs $4.25 for 2 hot dogs and 1 drink. It costs $7.00 for
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Answer:

<em>h </em>= $1.50

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Step-by-step explanation:

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$1.50 + $1.50 + $1.50 = $4.50 + $1.25 + $1.25 = $7

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3 years ago
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In a famous story, a wise man in India requests a reward promised by his king. The wise man shows the king a chessboard having 6
pishuonlain [190]
8,192 because 
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What’s the perimeter?
uysha [10]

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answer 60,40 i think

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