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Tasya [4]
4 years ago
15

Tod begins piano practice at 4:15 p.M. And ends at 5:50 p.M. How long does he practice

Mathematics
1 answer:
nikdorinn [45]4 years ago
5 0

Answer:

95 minutes/1 hour and 35 minutes.

Step-by-step explanation:

Since there are 60 minutes in a hour you could convert it. Or you could just subtract 550 minutes by 415 minutes and get 95 minutes which is also 1 hour and 35 minutes.

Hope this helps

:)

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3 years ago
3x - 3y = 9 and x + 3y = 12 *
elena55 [62]

Answer:

Solving equation i and ii, we get;

3x-3y+x+3y=9+12

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x=21/4

Putting the value of x in equation ii.

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8 0
3 years ago
13. Solve 5x² - 6x + 1 = 0 using the quadratic formula.<br><br><br> please help me and show work
yaroslaw [1]

Answer: x= 1, \frac{1}{5\\}

Step-by-step explanation:

The quadratic equation is

x=\frac{-b+\sqrt{b^{2}-4ac } }{2a}

and

x=\frac{-b-\sqrt{b^{2}-4ac } }{2a}

So we just need to sub in the proper numbers from the equation given, in this case, it would result in

x=\frac{6+\sqrt{(-6)^{2}-4(5)(1) } }{2(5)}

and

x=\frac{6-\sqrt{(-6)^{2}-4(5)(1) } }{2(5)}

Once we get this we can either manually simplify or use a calculator, using a calculator would result in the answers

x= 1, \frac{1}{5\\}

7 0
3 years ago
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3 years ago
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