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hjlf
3 years ago
9

What is this answer?

Mathematics
2 answers:
devlian [24]3 years ago
7 0

Answer:

56

Step-by-step explanation:

blondinia [14]3 years ago
6 0
Ok so when u do these look to find where u can see a recangle
so the rectangle is 10x12= 120
then find the area of the shape below it which is 192 add them an get 312
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What is 3.9 divided by 6
krok68 [10]
0.65, or in fraction form 65/100
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3 years ago
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What's is 4 2/5 * -3 3/4
Xelga [282]
The answer would be either:
-99/10 or -9 9/10
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What is the derivative of y with respect to x if y = 2/X4
zepelin [54]
You're correct, the answer is C.

Given any function of the form y=x^n, then the derivative of y with respect to x (\frac{dy}{dx}) is written as:
\frac{dy}{dx}=nx^n^-^1

In which n is any constant, this is called the power rule for differentiation.

For this example we have y= \frac{2}{x^4}, first lets get rid of the quotient and write the expression in the form y=x^n:
y= \frac{2}{x^4} =2x^-^4

Now we can directly apply the rule stated at the beginning (in which n=-4):
\frac{dy}{dx}=(2)(-4)x^{-4-1}=-8 x^{-5}= -\frac{8}{x^5}

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6 0
3 years ago
Please Answer Number 3 ! Thank You !!!
Troyanec [42]

Hello from MrBillDoesMath!

Answer:

Choice A, "n"

Discussion:

n/4  + n/4 + n/4 + n/4 = 4 (n/4) = n

which is choice A

Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


4 0
3 years ago
Factorise fully 3x-9x^2
artcher [175]

Answer:

3x(1 - 3x)

Step-by-step explanation:

We can factor the expression by using the common factor.

Pull out 3x from the expression.

3x - 9 {x}^{2}  \\ 3x(1 - 3x)

Common Factor is similar to dividing by the term we pull out. When we pull out the term, we divide the whole expression and keep the term out of the expression.

6 0
3 years ago
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