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labwork [276]
2 years ago
10

Please help! x^3 +y^3=9

Mathematics
1 answer:
Crank2 years ago
7 0

Step-by-step explanation:

Taking the derivative of both sides with respect to x, we get

\dfrac{d}{dx}(x^3 + y^3) = \dfrac{d}{dx}(3)

\Rightarrow 3x^2 + 3y^2\dfrac{dy}{dx} = 0

Solving for \frac{dy}{dx}, we get

\dfrac{dy}{dx} = -\dfrac{3x^2}{3y^2} = -\dfrac{x^2}{y^2}

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CAN SOMEONE HELP ME UNDERSTAND THIS PLEASE
ICE Princess25 [194]

YEAH OFC SHAWTY!

  • so for A its -4^11 because if the powers have the same base and they are being multiplied you add the powers
  • For B its the same idea, they have the same base, and are being multiplied so you add the powers- 13^9
  • For C its similar, you have the same base, but since its Dividing, you subtract the powers. So, 9^5
  • for D you pretend like the denominator has a power of 1 and subtract. So its -24^5-24^1 which hopefully puts it into perspective of being -24^4 becuase we subtracted the powers

I cant do 2 right now, but i will in a minute

<u>And for 3 his mistake is that they arent the same bases so he cant add the powers, he should have converted them to the same base first. </u>

7 0
3 years ago
Which was the first university of the world ​
lianna [129]

Answer:

Sankore University

Step-by-step explanation:

7 0
2 years ago
Hi! Would you guys mind anderring this? A submarine is at a depth of 100 feet below sea level. Then it starts to dive at a rate
Vikentia [17]

Answer:

slope (m) = -50 or -50x

Step-by-step Explanation

I'm assuming that the x-axis is divided by 1 minute segments.

The slope is defined as "the change in y-coordinate" divided by "the change in x-coordinate"

Since the y value is decreasing (negative) 50 feet per minute, then it is safe to say that the slope is -50 (feet)/ 1 minute

Therefore... the slope is -50 or -50x depending on the answer the assignment is looking for

3 0
3 years ago
Read 2 more answers
What is the range of the given function?
sergey [27]
It’s D, because range is talking about what’s the line within, also since the end is colored in that means its also included too.
5 0
2 years ago
Read 2 more answers
If Sarah's mom drive 20 miles to work, drives 2,000 miles to New York and she lives in Rhode Island. How many total feet did she
mafiozo [28]
To solve this problem, you first have to add the total miles driven.

2000 + 20 = 2020

Then, you have to convert miles into feet. There are 5280 feet in a mile, so you multiply that by 2020.

5280 * 2020 = 10665600

Therefore, the total feet driven is 10665600. I hope this helped, good luck!
5 0
3 years ago
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