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3 years ago

Need help please ASAP

Mathematics

1 answer:

irina1246 [14]3 years ago

5 0

It is Interest charge

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A number to the 9th power divided by the same number to the 6th power equals 64. What is the number?

Vika [28.1K]

Use an equation:
x^9/x^6=64
x^(9-6)=64
x^3=64
x=4

note that x^9 means "x to the power of 9", same with other ones

the number is 4.

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3 years ago

What are both of these?

allochka39001 [22]

Pshhhh she said math negatives I’m pretty sure.

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2 years ago

System of equations- does this have one solution, many solutions or no solution

sladkih [1.3K]

Answer:

infinitely many solutions because both equations are the same

Step-by-step explanation:

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2 years ago

Find all complex solutions of 7x^2-7x+3=0

Sedaia [141]

Answer:

The complex solutions are

$x = (\frac{7-\sqrt{35} i }{42} , ) x = \frac{7 + \sqrt{35} i }{42})$

Step-by-step explanation:

Step(i):-

Given equation 7 x² - 7 x +3=0

$x = (\frac{-b -\sqrt{b^{2}-4ac } }{2ac} , \frac{-b +\sqrt{b^{2}-4ac } }{2ac})$

Given standard equation

a x² +b x +c =0

a = 7 , b= -7 and c=3

Step(ii):-

$x = (\frac{-(-7) -\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)} , \frac{-(-7) +\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)})$

$x = (\frac{7-\sqrt{(49-84 } }{42} , \frac{7 +\sqrt{(49-84 } }{42})$

$x = (\frac{7-\sqrt{35i^{2} } }{42} , \frac{7 + \sqrt{35i^{2} } }{42})$

$x = (\frac{7-\sqrt{35} i }{42} , \frac{7 + \sqrt{35} i }{42})$

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2 years ago

How to tell if a scatter plot is positive or negative or no ttend?

Korvikt [17]

If the dots are going to the right, it's positive. If they're going to the left, they're negative.

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3 years ago

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