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Butoxors [25]
3 years ago
14

What would area B be and why?

Mathematics
1 answer:
Annette [7]3 years ago
3 0

Answer:

B= y+2w

Step-by-step explanation:

We can see that A= y+3w, so because B is missing one of the w's, the area must be y+2w.

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Implicit differentiation in terms of x and y
Volgvan
For implicit differentiation, you are using the chain rule
f'(x) = g'(u(x))* \frac{du}{dx}
Except u(x)  = y, So after every "y" term is differentiated it will be multiplied by dy/dx.

17) y^3 +4 = 3x \\ 3y^2 \frac{dy}{dx} +0 = 3
Then you solve for dy/dx as if its a variable.
\frac{dy}{dx} = \frac{3}{3y^2} = \frac{1}{y^2}

18)  Here lets review product rule:
(fg)' = f'g + fg'
Take derivative of each term
2x^2 = -3y^3 +3x^2y^3  \\ 4x = -9y^2 \frac{dy}{dx} + (6x)(y^3) + (3x^2)(3y^2 \frac{dy}{dx})  \\ 4x = -9y^2 \frac{dy}{dx} +6xy^3 +9x^2y^2 \frac{dy}{dx}
Solve for dy/dx using factoring:
4x - 6xy^3 = -9y^2 \frac{dy}{dx}+9x^2 y^2 \frac{dy}{dx} \\ 4x - 6xy^3 = \frac{dy}{dx}(-9y^2 +9x^2 y^2) \\ \frac{dy}{dx} = \frac{4x - 6xy^3}{-9y^2 +9x^2 y^2}

8 0
3 years ago
A matrix with 5 columns and 6 rows added to another matrix with 5 columns and 6
photoshop1234 [79]

Answer:

C 10 columns and 12 rows

Step-by-step explanation:

c = columns

r = rows

5c + 5c = 10c

6r + 6r = 12r

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The answer is C

3 0
3 years ago
Read 2 more answers
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be
Masja [62]

Answer:

Mean of the population having 6"-9" Hatching =38

Standard Deviation =4

Step-by-step explanation:

Confidence interval of 95% means that 95% of data lie within two standard deviations.

That is data values lie between 38-2×4 to 38 +2×4.

⇒Which is 38-8 to 38+8.

⇒30 to 46.

it is also given that margin of error is 2.5%.

So, the data value will lie between

Mean of beginning value to extreme value of 95% confidence level

  

So, Sample mean of this observation having 2.5% margin of error = 38

Option D:→ 38

5 0
3 years ago
Micah recorded the amount of time his mom and dad spend reading bedtime stories. He plotted the data in the box plot below.
katrin [286]

Answer:

The lengths of time that his mom reads are typically longer and have more variability than the lengths of time that his dad reads.

Step-by-step explanation:

The Mom's plot is longer in ranges, therefore, she would have more variability than the dad.

4 0
3 years ago
Read 2 more answers
How many different ways can teams of four members be formed from a class of 20?
guapka [62]
Assuming you want to choose 4 people from the class of 20; 

Begin by using the combinations formula; 

20C4=4845 possibilities 

Hope I helped :) 
4 0
3 years ago
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