1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
skelet666 [1.2K]
3 years ago
13

Mark wants to eat one last cookie from the cookie jar in the jar they are fire truck which of cookies six peanut butter cookies

and nine oatmeal cookies he will randomly select one one cookie from the jar what is the probability that Mark will not pick a peanut butter cookie
Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer: about 66.6% that he will not pick a PB one


Step-by-step explanation: Put both of them together and you get 15. 15 divede by 3 is 5. Two 5's is 10, which is about nine, so it would be 2/3 chance of getting an oatmeal cookie, which is the opposite of getting a pb one, 2/3 in a percentage is 66.6%



marissa [1.9K]3 years ago
8 0

Answer:

about 66.6% that he will not pick a PB one

Step-by-step explanation:

You might be interested in
Find the derivative of ln(secx+tanx)
Sliva [168]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/3000160

————————

Find the derivative of

\mathsf{y=\ell n(sec\,x+tan\,x)}\\\\\\ \mathsf{y=\ell n\!\left(\dfrac{1}{cos\,x}+\dfrac{sin\,x}{cos\,x} \right )}\\\\\\ \mathsf{y=\ell n\!\left(\dfrac{1+sin\,x}{cos\,x} \right )}


You can treat  y  as a composite function of  x:

\left\{\! \begin{array}{l} \mathsf{y=\ell n\,u}\\\\ \mathsf{u=\dfrac{1+sin\,x}{cos\,x}} \end{array} \right.


so use the chain rule to differentiate  y:

\mathsf{\dfrac{dy}{dx}=\dfrac{dy}{du}\cdot \dfrac{du}{dx}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{d}{du}(\ell n\,u)\cdot \dfrac{d}{dx}\!\left(\dfrac{1+sin\,x}{cos\,x}\right)}


The first derivative is  1/u, and the second one can be evaluated by applying the quotient rule:

\mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{\frac{d}{dx}(1+sin\,x)\cdot cos\,x-(1+sin\,x)\cdot \frac{d}{dx}(cos\,x)}{(cos\,x)^2}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{(0+cos\,x)\cdot cos\,x-(1+sin\,x)\cdot (-\,sin\,x)}{(cos\,x)^2}}


Multiply out those terms in parentheses:

\mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{cos\,x\cdot cos\,x+(sin\,x+sin\,x\cdot sin\,x)}{(cos\,x)^2}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{cos^2\,x+sin\,x+sin^2\,x}{(cos\,x)^2}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{(cos^2\,x+sin^2\,x)+sin\,x}{(cos\,x)^2}\qquad\quad (but~~cos^2\,x+sin^2\,x=1)}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{1}{u}\cdot \dfrac{1+sin\,x}{(cos\,x)^2}}


Substitute back for  \mathsf{u=\dfrac{1+sin\,x}{cos\,x}:}

\mathsf{\dfrac{dy}{dx}=\dfrac{1}{~\frac{1+sin\,x}{cos\,x}~}\cdot \dfrac{1+sin\,x}{(cos\,x)^2}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{cos\,x}{1+sin\,x}\cdot \dfrac{1+sin\,x}{(cos\,x)^2}}


Simplifying that product, you get

\mathsf{\dfrac{dy}{dx}=\dfrac{1}{1+sin\,x}\cdot \dfrac{1+sin\,x}{cos\,x}}\\\\\\ \mathsf{\dfrac{dy}{dx}=\dfrac{1}{cos\,x}}


∴     \boxed{\begin{array}{c}\mathsf{\dfrac{dy}{dx}=sec\,x} \end{array}}\quad\longleftarrow\quad\textsf{this is the answer.}


I hope this helps. =)


Tags:  <em>derivative composite function logarithmic logarithm log trigonometric trig secant tangent sec tan chain rule quotient rule differential integral calculus</em>

3 0
3 years ago
18-3b for b=4 <br><br><br>please help ​
IrinaVladis [17]

Answer:

im sorry I don't know I didn't do stuff like this in school

7 0
2 years ago
Translate the sentence into an equation. Six less than a number is 14.
BlackZzzverrR [31]
Less than is subtraction so your answer to "six less than a number is 14" would be

n-6=14

5 0
3 years ago
Read 2 more answers
5 STARS BRAINLYEST AND 15 POINTS!!!!!!!!!!!!!!!!!
kirza4 [7]
My best guess is the third one. Really sorry if I’m wrong.
8 0
3 years ago
A rose garden is formed by joining rectangle and a semicircle, as shown below. The rectangle is 29 ft long and 21 ft wide. If th
Iteru [2.4K]

Answer:

The answer to your question is 116.53 ft

Step-by-step explanation:

Data

length = 29 ft

width = 21 ft

π = 3.14

Process

1.- Calculate perimeter of the rectangle and subtract 1 length

Perimeter of the rectangle = 2l + 2w - l

Perimeter of the rectangle = 2(29) + 2(21) - 29

                                            = 58 + 42 - 29

                                            = 71 ft

2.- Calculate the perimeter of a semicircle

Perimeter = 2πr/2 = πr

radius = r = 29/2

               = 14.5 ft

Perimeter = (3.14)(14.5)

                 = 45.53 ft

3.- Calculate the total length of the fence

fence = 45.53 + 71

          = 116.53 ft

7 0
3 years ago
Other questions:
  • I will mark brainliest! Order the following numbers from least to greatest.
    12·2 answers
  • 4x=500+96.plz send answer fast
    15·1 answer
  • What is the difference between 213 and 312
    5·2 answers
  • 7x - 3y = 42x - 4y = 1the solution to the system of equations is _____.
    9·1 answer
  • What is the answer for this math problem <br> Y = -3×+6
    11·2 answers
  • I need help I need it ASAP!!
    14·1 answer
  • Solve x^2 + 6x + 15 = 0 using the Quadratic Formula
    5·1 answer
  • What is the length of AC
    14·1 answer
  • Help me with this plsssssssssss
    14·2 answers
  • If $1000 is put in the bank and each year the account carns 7 % simple interest, then how much
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!