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Alekssandra [29.7K]
3 years ago
11

Marking brainliest What do you thinks this means and why does it matter

Mathematics
1 answer:
grin007 [14]3 years ago
4 0

Answer:

You didnt put anything for me to see lol

Step-by-step explanation:

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The length of a metal rod is 9 3/4 feet. What is the length of 1/4 of the rod?
7nadin3 [17]

Answer:

2 \frac{5}{16}

Step-by-step explanation:

2 \frac{5}{16} × 4 = 9 3/4

9 3/4 × 1/4 = 2 5/16

I hope this helps!

3 0
2 years ago
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7(-2k+4)-6=7k-20 what is the answer
lord [1]
The answer to this equation would be k=2
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3 years ago
My Question is 3x+ (-2+4x). x=5
Nastasia [14]
The answer is 33. First do 3 times 5, 15, then do that -2. 13. 13 plus 4 times 5 is 33 :)
8 0
3 years ago
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The derivative of (x^2 +1)(x^3+ 1) (by definition and basic rule)
dlinn [17]

Answer:

f'(x) = 5x^4 + 2x + 3x^2

Step-by-step explanation:

To find the derivative of this equation we can do two things.

One method is to use the product rule, which states that when f(x) consists of two functions multiplied to each other (meaning f(x) = g(x) * h(x)), the derivative is f'(x) = g'(x)*h(x) + g(x)*h'(x). In simple language, the derivative is found by finding the derivative of x² + 1 and multiplying it with the normal function of x³ + 1, after which you add the product of the nnormal function of x² + 1 and the derivative of x³ + 1.

it might be clearer when I show you:

f(x) = (x^2 + 1)(x^3 + 1)\\f'(x) = (2x)(x^3 + 1) + (x^2 + 1)(3x^2)\\Simplify:\\f'(x) = 2x^4 + 2x + 3x^4 + 3x^2 = 5x^4 + 3x^2 + 2x\\

If you are not familiar with this rule you can first write out the function and then use the basic rule:

f(x) = (x^2 +1)(x^3+1) = x^5 + x^2 + x^3 + 1\\f'(x) = 5x^4 + 2x + 3x^2

If you need any further help please say so in the comments! I hope this helps! If the steps seem complicated, I suggest you could revise expanding brackets (the first step of the second method) and the basic rules of deriving, but feel free to reach out if you struggle afterwards still

8 0
3 years ago
Choose Yes or No to tell whether each rate is a unit rate. 1/1/3 Choose... 2/3/1 Choose... 2/3 Choose... 3/1 Choose...
MariettaO [177]

Answer: No and yes and no and yes??? ;-;

Step-by-step explanation:

5 0
3 years ago
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