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UNO [17]
3 years ago
12

a spinner is divied into 8 equal sections,and each section contains a number from 1 to 8.what is the probabilaty of the spinner

landing on 5
Mathematics
2 answers:
mixas84 [53]3 years ago
7 0
Well since there are eight sections of 1-8 that meanst there are 8 different number 5s, and since there are eight sections of 8 it becomes 64, so if my math is correct 8/64ths of the time or 1/8. It might be wrong but I tried.
Talja [164]3 years ago
3 0
Possible outcomes (sample space) = {1,2,3,4,5,6,7,8}
Number of outcomes, n = 8
Probability of landing on 5
= 1 outcome / n outcomes
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A plane flies due south for 600 miles. It turns and flies 250 miles ,35 degrees east of south. How far is the plane from it’s or
Mariulka [41]

The distance of plane from the origin is 357.14 miles

<u>Explanation:</u>

Given:

distance traveled southwards, y = 600 miles

Distance traveled east of south, z = 250 miles

Angle, θ = 35°

Distance of plane from the origin, x = ?

The figure is attached for reference:

tan θ = Perpendicular / base

tan θ = distance travelled east of south / x

tan 35° = 250 / x

we know,

tan 35° = 0.7

So,

0.7 = \frac{250}{x} \\\\x = \frac{250}{0.7} \\\\x = 357.14 miles

Therefore, the distance of plane from the origin is 357.14 miles

6 0
4 years ago
(1 point) Use the graph below to find exact values of the indicated derivatives, or state that they do not exist. If a derivativ
svetlana [45]

Derivatives can be calculated from graphed functions.

The values of the derivatives are:

The given parameter is:

\mathbf{h(x) = f(g(x))}

Start by calculating the equations of f(x) and g(x)

<u>Graph f(x)</u>

The slopes of f(x) are: 3/2 and -3/2

So, the equations are:

\mathbf{f(x) = \frac{3}{2}x,\ 0 \le x \le 2}

\mathbf{f(x) = -\frac{3}{2}x,\  x \ge 2}

<u>Graph g(x)</u>

The slope of g(x) is: -1/2

So, the equation is:

\mathbf{g(x) = -\frac 12x}

<u>For x = 1 and x = 2, we have:</u>

So, we have:

\mathbf{h(x) = f(g(x))}

Where:

\mathbf{f(x) = \frac{3}{2}x\ 0 \le x \le 2} and \mathbf{g(x) = -\frac 12x}

\mathbf{h(x) = f(g(x))} becomes

\mathbf{h(x) = \frac{3}{2}(-\frac{1}{2}x)}

Open brackets

\mathbf{h(x) = -\frac{3}{4}x}

Differentiate

\mathbf{h'(x) = -\frac{3}{4}}

So:

\mathbf{h'(1) = -\frac{3}{4}}

\mathbf{h'(2) = -\frac{3}{4}}

For x = 3, we have:

\mathbf{h(x) = f(g(x))}

Where:

\mathbf{f(x) = -\frac{3}{2}x\  x \ge 2} and \mathbf{g(x) = -\frac 12x}

\mathbf{h(x) = f(g(x))} becomes

\mathbf{h(x) = -\frac{3}{2}(-\frac{1}{2}x)}

\mathbf{h(x) = \frac{3}{4}x}

Differentiate

\mathbf{h'(x) = \frac{3}{4}}

Substitute 3 for x

\mathbf{h'(3) = \frac{3}{4}}

Hence, the values of the derivatives are:

\mathbf{h'(1) = -\frac{3}{4}}, \mathbf{h'(2) = -\frac{3}{4}} and \mathbf{h'(3) = \frac{3}{4}}

Read more about graphed functions at:

brainly.com/question/11804653

3 0
3 years ago
Read 2 more answers
As part of a summer internship, five people -- Cindy, Damaris, Eugenio, Fareed, and Guzal -- are to be assigned to floors 1-5 in
MrMuchimi

Based on the information, it is expected Fareed can be assigned to live on any of the floors.

<h3>What condition limits Fareed's assignment?</h3>

The only condition that limits the floor Fareed can be assigned to is that he cannot be immediately below Damaris. This means that as long as Damaris is not immediately above him, he can be assigned to all floors. Here are two possible arrangements:

  • Eugenio (5th floor)
  • Damaris
  • Cindy
  • Fareed
  • Guzal (1st floor)

  • Guzal (5th floor)
  • Eugenio
  • Damaris
  • Cindy
  • Fareed (1st floor)

Learn more about arragements in: brainly.com/question/27909921

#SPJ1

7 0
2 years ago
An exercise ball contains 4000 cubic inches of air when fully inflated. Write and graph a cubic function to model this situation
juin [17]

Answer:

r = 9.8475 in

Step-by-step explanation:

We assume that the ball is spherical.


The volume of a spherical ball is:


V = \frac{4}{3}\pi r ^ 3

We know that:


V = 4000in ^ 3\\4000 = \frac{4}{3}\pi r ^ 3

Then

r ^ 3 = \frac{3*4000}{4(\pi)}\\\\r = \sqrt[3]{\frac{3*4000}{4(\pi)}}\\\\r = 9.8475in

Below is the graph of the cubic function


8 0
3 years ago
Help please!! <br> Thank you !
topjm [15]

Answer:

B is your answer

Step-by-step explanation:

The vertical line test is a method that is used to determine whether a given relation is a function or not.

<u>OAmalOHopeO </u>

6 0
3 years ago
Read 2 more answers
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