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erastovalidia [21]
4 years ago
11

I need a step by step explanation on how to work this problem

Mathematics
1 answer:
kifflom [539]4 years ago
8 0
Product rule

d/dx(uv) = u'v+uv'

for the first term, u= x^2 v=y
\frac{d}{dx} x^2y= (\frac{d}{dx} x^2) y+x^2 \frac{d}{dx}y  = 2xy+x^2\frac{dy}{dx}
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The length of a rectangular deck is 4 times its width. If the deck's perimeter is 30 feet what is the deck's area???
Alenkasestr [34]

Answer:

36 sq ft

Step-by-step explanation:

8 0
3 years ago
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Sydney described a ruler as a length of plastic that starts at 0 and continues on to 12 inches. What is the geometric term A) Li
liberstina [14]

Answer: A) Line Segment

Step-by-step explanation:

Hi, a line segment is a part of a line between two points. It has definite endpoints (segment), and those points are also included in the line.

A ray only has one endpoint,  

Point is not a length.

Since Sidney describes the ruler as a length of plastic that starts at 0 and continues on to 12 inches, she is using the line segment geometric term.

7 0
3 years ago
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3241004551 [841]
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5 0
3 years ago
Solve for x. 9x = 3x − 36
rusak2 [61]

Answer: x=-6

Step-by-step explanation:

In order to solve for "x", we must remember the following properties:

  • The Subtraction property of Equality states that:

        If a=b, then a-c=b-c

  • The Division property of Equality states that:

         If a=b, then \frac{a}{c}=\frac{b}{c}

Therefore, knowing these properties, we can solve for "x" to find its value.

First, we need to subtract 3x from both sides of the equation. Then:

9x-(3x) = 3x - 36-(3x)\\\\6x=-36

And finally, we can divide both sides of the equation by 6. Then we get:

\frac{6x}{6}=\frac{-36}{6}\\\\x=-6

3 0
4 years ago
Read 2 more answers
PLEASE CLICK ON THIS IMAGE I NEED HELP
loris [4]

Answer

36 pies

Step-by-step explanation:

to find out how much one pie costs we divide the profit made by the number of pies sold, or p/n = cost of 1 pie

from this we can conclude that 1 pie = $4

to find how many pies were sold we just plug back into the equation

so: $144/n = $4 and from this we get 36 pies

6 0
3 years ago
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