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igomit [66]
2 years ago
13

Please help me, What is 640.31 written in expanded form?

Mathematics
2 answers:
Sophie [7]2 years ago
5 0
The top right one. 600+40+3/10+1/100
Stels [109]2 years ago
5 0

Answer:

640.31= 600+40+ 3/10 + 1/100

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I got 1808 is your multiple choice wrong?
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3 years ago
The diagram represents the factorization of x2 – 9x + 18. It is partially completed.
blagie [28]

Answer:

-3x and -6x

Step-by-step explanation:

Take a look at the missing spaces. Multiply -6 with x which equals -6x

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PlsHurry Blanck Is 7 times as much as 4
erma4kov [3.2K]

Answer:

28

Step-by-step explanation:

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3 years ago
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klasskru [66]
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8 0
3 years ago
What is the derivative of the following function? f(x) = 4x^6/cos^5(x)
KIM [24]

Answer:

f'(x) = \frac{24x^{5} \cos x + 20x^{6}\sin x}{\cos^{6}x }

Step-by-step explanation:

We have to find the derivative of the following function:

f(x) = \frac{4x^{6} }{\cos^{5} x }

Now, differentiating both sides with respect to x we get,

f'(x) = \frac{\cos^{5}x (24x^{5}) - 4x^{6}(5\cos^{4}x )(- \sin x)}{(\cos^{5}x )^{2}}

⇒ f'(x) = \frac{ 24x^{5} \cos x + 20 x^{6}\sin x}{\cos^{6}x } (Answer)

{Since, we know that, \frac{d(mx^{n} )}{dx} = m \times n x^{(n - 1)} and \frac{d(\cos^{n} x)}{dx} = n \cos^{(n - 1)} x(- \sin x) }

5 0
3 years ago
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