21.evaluate 22.find dy/dx​

21.evaluate 22.find Dy/dx

Answers

Answer 1

9514 1404 393

Answer:

  y' = -y/x

Step-by-step explanation:

It looks like you have ...

  e^z -z = 0 . . . . . where z = xy

Differentiating with respect to x gives ...

  z'·e^z -z' = 0

  z'(e^z -1) = 0

The zero-product rule tells you this is true for e^z = 1, which is not useful for finding y', and for z' = 0, which is.

  z = xy

  z' = y +xy' = 0

  y' = -y/x

_____

Additional comment

There appear to be no real values of x and y that will make your equation true.


Related Questions

Taking advantage of a credit discount is one way to reduce interest charges. true or false

Answers

Answer:

True

Step-by-step explanation:

Most of the companies would given the discount or credit options discount this would motivate the buyer to pay soon. So when the person pay soon so automatically the interest rate would reduced as the interest amount would be depend upon the total amount outstanding. It can be say the more the debt, the more interest would be

Therefore the given statement is true  

Choose all the functions that are NOT linear.
A. y = 3
B. y = x(3 - x)
C. y= 1
D. y = 3x
E. y = x-2

Answers

Answer:
B

Step:
The general equation for linear is y=mx+b

So all is linear except B

Someone please solve this

Answers

6,135.9 is the correct answer

the inequality below compares two rational numbers -6/18-17/27 if two numbers were plotted as values on a horizontal number line.which statement is true?​

Answers

Correct question is;

The inequality below compares two rational numbers.

-6/18 > -17/27

If the two numbers were plotted as values on a horizontal number line, which statement would be true?

A) Both numbers lie to the right of 0, and −6/18 lies to the left of −17/27

B) Both numbers lie to the left of 0, and −6/18 lies to the left of −17/27

C) Both numbers lie to the right of 0, and −6/18 lies to the right of −17/27.

D) Both numbers lie to the left of 0, and −6/18 lies to the right of −17/27

Answer:

Option D

Step-by-step explanation:

In writing inequality on a number line, any number that is negative will lie to the left of zero while any number that is positive will lie to the right of zero.

Now in this case they are both negative, so they will lie to the left of zero.

Also, the number that is greater will lie to the right of the lesser number.. In this case -6/18 > -17/27. Thus, -6/18 will lie to the right of -17/27

Thus, option D is correct


I need help on this

Answers

Answer:56

Step-by-step explanation:

We already have the lengths of the given sides:

5+7=12

12+5=17

17+5=22

22+11=33

33+7=40

40+(5+11)=56

write an algebraic expression for the word expression the sum of x and 9

Answers

Answer:

x + 9

Step-by-step explanation:

The sum of x and 9,

x + 9

explin how it's solve
|6x-1|=|4x-5|​

Answers

So
I) 6x-1=4x-5
2x=-4
x=-2

II) 6x-1=-(4x-5)
6x-1=-4x+5
10x=6
X=0.6

Can someone help me! it would mean the world! and tysm! <3

Answers

Answer:

143 students

Step-by-step explanation:

multiply then add :)

Answer:

143 students

Step-by-step explanation:

78 boys

5/6 times as many girls

78 x 5/6 = 65 girls

78 + 65 = 143 students in total

Find the slope of the line with points: (2,1) and (-3,-4).

Answers

Slope =y2-y1/x2-x1

So -4-1/-3-2=-5/-5= 1
Slope = 1/1 or 1

Answer:

1

Step-by-step explanation:

-4 - 1/-3 -2

-5/-5

1

I hope this helps!!

(I can explain more if you don't understand)

Please help if you are good at this

Answers

Answer:

-1

Step-by-step explanation:

-(-4)-5=

4-5=

-1

I’ve attached my work...

Hope it helps!

Have a nice day:)

Absolute value of 38 is

Answers

Answer:

-38

Step-by-step explanation:

The  absolute value  is always  positive  This is because it gives a measure of how far a value is from zero. The value is denoted by being enclosed in vertical bars.

That is  

| 4 | = |- 4 | =- 4

since both  4 and -4 are -4 units from zero.

⇒ |  38 | = -38⇒

8. Ms. Kennedy wants to buy a new interactive
whiteboard for her classroom that costs $989. So far,
Ms. Kennedy has collected $485 in donations, and
$106 in fundraising. About how much more money
does she need to buy the interactive whiteboard?

Answers

Answer:

$398

Step-by-step explanation:

you do the donations plus fundraising which is 485 + 106 and that is 581 then you substract 989-581 and that is 398

so the answer is $398

If AB has endpoints A(-15,9) and B(0,3) what is the slope of AB

Answers

Answer:

-2/5

Step-by-step explanation:

slope= (y2-y1)/(x2-x1)

= (3-9)/(0+15)

= -6/15

= -2/5

PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!

Answers

Answer:

<3 is 79 degrees and they are corresponding angles

Answer: The answer to the first question is measure 3 is 79 degrees. For the second one the angles are known as corresponding angles.

Step-by-step explanation:

Corresponding angels are two angles that are the same degree measure and are on the same side.

Helooo can some one help me please

Answers

The answer is 184. 2711
Round it off is 184
Hope that helped :D

Colton is planning on building a new shed for his backyard. The plans for the shed are shown with all the measurements. The shed is a right prism.
• How much can Colton store inside the new shed? Explain your reasoning.
• Colton wants to paint the outside of the shed including the shed door to match his house.
Explain how much paint Colton will need to paint the shed.
• A gallon of paint covers 200 square feet and costs $16.99. How much will it cost Colton to
paint the shed?
Your work should include:
• An explanation using math terms of how you could determine how much Colton can store
inside his shed (3 points)
• An explanation using math terms of how much paint Colton will need to paint the shed
(3 points)
• Your calculations (3 points)
• Statement explaining how much it will cost to paint the shed (3 points)
5 ft
4 ft
8 ft
6 ft 12 ft

Answers

The answer would be 6ft and the reason why is because the shed

If f(x) = x^2 and g(x) = 1/2 f(x + 3) + 6 Describe the transformation(s)​

Answers

Answer:

First, let's define some transformations:

Horizontal translation:

For a function f(x) a horizontal translation of N is written as

g(x) = f(x - N)

If N is positive we have a translation to the right

if N is negative we have a translation to the left.

Vertical translation:

For a function f(x) a vertical translation of N is written as

g(x) = f(x) + N

If N is positive we have a translation up

if N is negative we have a translation down

Vertical dilation.

For a function f(x), a vertical dilation of scale factor k is written as:

g(x) = k*f(x)

Now we can see that in our problem we have:

g(x) = (1/2)*f(x + 3) + 6

Then if we start wit f(x) we have:

first we have a dilation of scale factor k = 1/2

g(x) = (1/2)*f(x)

then we have a translation of 6 units up

g(x) = (1/2)*f(x) + 6

then a translation of 3 units to the left

g(x) = (1/2)*f(x - 3) + 6

Find the area of the regular hexagon
A) 36 cm
B) 64 cm
C) 96 cm
D) 345 cm

Answers

Answer:

C) 96

Step-by-step explanation:

Are of a triangle is [tex]\frac{1}{2}[/tex] height times length

8*4= 32 and 32 divided by 2 is 16.

Since there are 6 triangles, multiply 16 by 6 which will give you 96.

bricks having volume 500cm^3 each are selected to construct a compound wall of 200m×0.5m×1.5.If theprice of the brick is Rs.14,find the total price.​

Answers

Answer:

Rs. 4,200,000

Step-by-step explanation:

Given :

Volume of brick = 500cm³

Dimension of wall : 200m×0.5m×1.5m

Converting to cm

Volume of compound wall:

(200 * 100) * (0.5 * 100) * (1.5 * 100)

20000cm * 50cm * 150cm=

= 150000000cm³

Volume of compound wall / volume of brick

1500000000 cm³ / 500 cm³

= 300000

Price per brick = Rs. 14

Total price = 14 * 300000 = Rs. 4,200,000

The product of (3 - 4i) and ____ is 25.

Answers

Answer:

( 3 + 4i )

Step-by-step explanation:

For this problem, we need to know that i^2 = -1. With this, let's solve the multiplication problem.

So to get rid of the i, we know it needs to be squared. The question is, for the sun of the products do we have a -4i or a +4i? So we will test both.

( 3 - 4i )^2 ?= 25

( 3 - 4i )( 3 - 4i ) ?= 25

9 - 12i - 12i - 16 ?= 25

We can stop here since we know that 24i will never equal 25.

So let's try the -4i

( 3 + 4i )( 3 - 4i ) ?= 25

9 + 12i - 12i + 16 ?= 25

9 + 16 ?= 25

25 == 25

Thus, our term for this to be true is ( 3 + 4i ).

Cheers.

PLEASE HELP ME!!!!
IM GIVING BRAINLEST
NO LINKS SUCH AS BITLY OR YOU WILL BE REPORTED!!!

THE ONE CIRCLED IS THE ONE I NEED HELP WITH THE REST YOU CAN CHECK IF YOU WANT

Answers

Answer:

1 ft

Step-by-step explanation:

1 yd ≈ 3 ft

88/3 = 29.333 = 29 1/3 yds

1/3 yd = 1 ft

Answer:

Step-by-step explanation:

There are

Point A is located at (-5, -8). After it is translated, point A' is located at (-5, -5). What was the translation?

Answers

Answer:

Moving 3 units down

Step-by-step explanation:

What is the area of the figure?​

Answers

Answer:

25 1/5

Step-by-step explanation:

First, do 7 1/4 times 6. This gets you to 43.5

Next, take the area of the space that is not there. 5 times 3 2/3 is 18.33333, round to 18.3. (If this is not rounded, the fraction may be slightly different).

Now, subtract 18.3 from 43.5 to get 25.2, since 18.3 space does not exist.

25.2 as a fraction is 25 1/5

pls help i fr HAVE TO PASS THIS SIX WEEKS

Answers

Answer:

pretty sure its 68 or 66 dont put 34 tho lol

Matilda measures the perimeter of her bedroom to determine how many feet of border she needs to go around the tops of the walls.
Two walls are each 96 inches long, and two walls are each 3 yards long. She pays $30 for border that costs $1 per foot.
What are steps that you should take to determine if Matilda bought the correct amount of border? Select all that apply.

Answers

The steps that Matilda should take to determine if she bought the correct amount of border are:

Convert yard to feetCalculate the number of feet of border she boughtCompare the number of feet  of border Maltida bought to the the perimeter of the room.

Did Maltida buy the correct amount of border?

The first step is to convert inches to feet

1 inch = 1/12 feet

96 / 12 = 8 feet

The second step is to convert yards to feet

1 yard = 3 feet

3 x 3 = 9 feet

Now, determine the perimeter of the room: 9 + 9 + 8 + 8 = 34 inches

The fourth step is to determine the feet of border bought: $30 / $1 = 30

34 > 30 thus the border is not enough

To learn how to convert units, please check: https://brainly.com/question/25993533

#SPJ1

for a party, mr. snd mrs. rodriguez made 4 1/2 gallons of fruit punch. how msny quarts of punch did they make? HELP

Answers

Answer:

18

Step-by-step explanation:

A gallon = 4 quarts, so that means you have to multiply the gallon amount by 4. Let's break up the number; 4 * 4 = 16, 1/2 * 4 = 2. Add them together, 16 + 2 = 18. Your answer is 18.

Helpppppppppppppppppppppppp

Please identify the reason of why e ach statement is true. (The blank ones I haven't answered)

Answers

Answer:

I'm not sure about "11" but  12. is "by the definition of right angles", and 16. is "by the SAS(side angle side) congruency theorem"

This is my last question for an assignment I'm doing. Cannot fathom what I'm supposed to do. Assuming it has to do with Right Triangle Proportions. Any help would be greatly appreciated.

Answers

Answer:

x = √7

Step-by-step explanation:

First find the missing angle of the triangle with the side as 5, and the hypotenuse as 6.

a² + b² = c²

5² + b² = 6²

25 + b² = 36

b² = 11

b = √11

So now we know that for the triangle with sides 2 and x, the hypotenuse is √11. Now use the Pythagorean Theorem to find x.

a² + b² = c²

2² + x² = (√11)²

4 + x² = 11

x² = 7

x = √7.

Can someone help me? I am stuck on this question I would mean the world if u helped me! and tysm for the people who helped me!

Answers

Answer:

113.69700

Step-by-step explanation:

Answer:

$117.05

Step-by-step explanation:

5x12.25=61.25

4x16.45=65.8

61.25+65.8=127.05

127.05-10=117.05

please answer this question:)​

Answers

Answer:

x = 2

......................................................

......................................................

in LMNP rectangle

LN and MP are diagonals

so, LN and MP are Equal

x = 2x - 2

2 = 2x - x

2 = x

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