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julia-pushkina [17]
2 years ago
15

Please help meee i dont get this

Mathematics
2 answers:
Artyom0805 [142]2 years ago
8 0

13x11=143x25=3,575

Answer: 3,575

kari74 [83]2 years ago
4 0

Answer:

You take 13x25x11 or as i like to do it take the lowest numbers and multiply them first like this so take 13x11=143 then times that by 25! 143x25=3575!

Step-by-step explanation:

You take all the numbers and multiply them like said in the answer!

Hope This Helped!

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Answer:

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Hope this helps!

6 0
3 years ago
What are the roots of x in -10x2 + 12x − 9 = 0?
hoa [83]

Answer:

x_1=\frac{3(2+i\sqrt{6})}{10}

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Step-by-step explanation:

Use the Quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac}}{2a}

You can identify that, in this case:

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Now you need to substitute these values into the formula:

x=\frac{-12\±\sqrt{12^2-4(-10)(-9)}}{2(-10)}

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Remember that:

i=\sqrt{-1}

Therefore,rewriting and simplifying, you get:

x=\frac{-12\±6i\sqrt{6}}{-20}

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Then, you get the following roots:

x_1=\frac{3(2+i\sqrt{6})}{10}

x_2=\frac{3(2-i\sqrt{6})}{10}

6 0
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Step-by-step explanation:

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