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const2013 [10]
3 years ago
9

Please look please asap

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0
This may be 3 or it also may be 3
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Brandon buys a radio for $45.29 in a state where the sales tax is 7%. how much does he pay in taxes?
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Answer:

$3.18 in taxes

Step-by-step explanation:

5 0
3 years ago
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2ab + a^3 +5a^2b^2 - 2b^3<br> Need help i have to write this in standard form
german
2ab + a^3 + 5a^2b^2 - 2b^3
= a^3 - 2b^3 + 2ab + 5a^2b^2 (this is the expression in standard form)
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Find the matrix product, if possible.  Show your work please
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\left[\begin{array}{ccc}-1&3\\5&4\end{array}\right] \cdot  \left[\begin{array}{ccc}0&-2&6\\1&-3&2\end{array}\right]\\\\=  \left[\begin{array}{ccc}(-1)(0)+(3)(1)&(-1)(-2)+(3)(-3)&(-1)(6)+(3)(2)\\(5)(0)+(4)(1)&(5)(-2)+(4)(-3)&(5)(6)+(4)(2)\end{array}\right]\\\\=  \left[\begin{array}{ccc}0+3&2-9&-6+6\\0+4&-10-12&30+8\end{array}\right]\\\\  =\left[\begin{array}{ccc}3&-7&0\\4&-22&38\end{array}\right]

3 0
3 years ago
A large emerald with a mass of 378.24 grams was recently discovered in a mine. If the density of the emerald is 2.76 grams over
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Answer:

  • 137.04 cm³

Step-by-step explanation:

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A mother is five times as old as her daughter. In 6 years, the mother will
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Step-by-step explanation:

M=5×D

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Now: D=12-6=6

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2 years ago
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