A man has mislaid his wallet. He thinks there is a 0.4 chance that the wallet is somewhere in his bedroom, a 0.1 chance it is in the kitchen, a 0.2 chance it is in the bathroom, and a 0.15 chance it is in the living room. What is the probability that the wallet is a) somewhere else? b) in either the bedroom or the kitchen?

Answers

Answer 1

Answer:

a. Probability = 0.15

b. Probability = 0.3

Step-by-step explanation:

Given

[tex]P(Bedroom) = 0.4[/tex]

[tex]P(Kitchen) = 0.1[/tex]

[tex]P(Bathroom) = 0.2[/tex]

[tex]P(Living\ room) = 0.15[/tex]

Solving (a): Probability of being somewhere else

This is calculated by subtracting the sum of given probabilities from 1.

[tex]Probability = 1 - (0.4 + 0.1 + 0.2 + 0.15)[/tex]

[tex]Probability = 1 - 0.85[/tex]

[tex]Probability = 0.15[/tex]

Solving (b): Probability of being in bedroom or kitchen

This is calculated as:

[tex]Probability = P(Bedroom) + P(Kitchen)[/tex]

[tex]Probability = 0.2 + 0.1[/tex]

[tex]Probability = 0.3[/tex]


Related Questions

Does the MVT apply? Explain why or why not.
y=-x^2/x-1 ; [-1,1]

Answers

Hi there!

[tex]\large\boxed{\text{No, it does not.}}[/tex]

[tex]y = \frac{x^{2} }{x-1}[/tex]

Looking at the equation, we can see that there is a discontinuity at x = 1 (Vertical Asymptote).

The interval given also includes x = 1 as an enclosed value.

Therefore, the MVT does not apply because the equation is not continuous on the interval [-1, 1].

PLEASE HELP ASAP!!!!!
Are the lines y=3x-2 and y=5+3x parallel, perpendicular, or neither? How do you know?

Answers

Answer:

Parallel

Step-by-step explanation:

They're Parallel because whenever you graph them you see they never touch.

I need help with this math question

Answers

3 2/3 + 1 3/4 + 2/3 equals 6.08 so 6/12

Answer:

D. 6 1/12

Step-by-step explanation:

3 2/3 + 1 3/4 + 2/3

= 3 8/12 + 1 9/12 + 8/12

= 3 + 1 + (8/12 + 9/12 + 8/12)

= 4 + (25/12)

= 4 + (24/12 + 1/12)

= 4 + 2 1/12

= 6 1/12

help meeeeeeeeeeeeee​

Answers

Answer: 36

Step-by-step explanation:

please answer this extreme hard question. WHAT IS 1+1

Answers

golly gee this is hard... um take the one put it in the box..? maybe 7?

find the slope of the line. ​

Answers

Answer:

-1/2

Step-by-step explanation:

Answer:

This

Step-by-step explanation:

Slope (m) =  

ΔY

ΔX

=  

2

-1

= -2

θ =  

arctan( ΔY ) + 180°

ΔX

= 116.56505117708°

ΔX = -3 – 0 = -3

ΔY = 0 – -6 = 6

Distance (d) = √ΔX2 + ΔY2 = √45 = 6.7082039324994

Equation of the line:

y = -2x – 6

When x=0, y = -6

When y=0, x = -3

Using the graph, determine the coordinates of the roots of the parabola.
-6
-7
-4
-5
-3
-2
-10-9-8
-1
3
6
4
8
-1

Answers

Answer:

(1,0) (5,0)

Step-by-step explanation:

roots of a parabola are the x intercepts

If x=30827533.828277 and y=91036482828.54233 and z= 64699225.9172, what is x times z divided by (x times y)?

Answers

9514 1404 393

Answer:

  ≈ 0.0007106955794750354

Step-by-step explanation:

(xz)/(xy) = z/y = 6469922591720 / 9103648282854233

  ≈ 0.0007106955794750354 . . . . rounded to 16 significant figures

__

The result will be a repeating decimal fraction with a very long repeat. It may be longer than 70 billion digits.

WILL GIVE U BRAINLIEST

Question
What is the turning point of the graph of f(x)=|x−2|+3?


(2, 3)

(−3, 2)

(3, 2)

(2, −3)

Answers

The absolute function is having its turning point at the coordinate ( 2,3).

It is required to find the turning point of the graph  .

What is Absolute value?

Absolute value describes the distance from zero that a number is on the number line, without considering direction. The absolute value of a number is never negative.

Given:

The absolute function is

f(x) = |x-2| +3.

We have to find the turning point of the graph of f(x)=|x−2|+3.

According to given question we have,

When we plot the graph of the absolute function f(x) = |x-2| +3 it will give two straight lines the first line is on the left side and the second line is on the right side. The graph of the function changes its position at the coordinate ( 2,3).

Therefore, the absolute function is having its turning point at the coordinate ( 2,3).

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Jacob has a coin and a spinner with 3 equal sections, one colored red, one colored blue, and one colored green. Which tree diagram best represents all possible outcomes of Jacob spins the spinner once and flips the coin once?

Answers

Answer:5y

Step-by-step explanation:

67

Hey how you have a good day !! XD

Given: AOB is a right angle
Prove: mBOC = 90°
O
B
Since
AOB is a right angle, it is 90°. AOB is supplementary to BOC,
so m AOB + m BOC = 180°. By the substitution property of equality,
90 + m BOC = 180°. Applying the subtraction property of equality,
m BOC = 90%.
What statement is missing from the proof?

Answers

The missing piece of information in the proof is that m∠DOA and m∠BOC are vertical opposite angles.

How to find vertically opposite angles?

We want to prove that m∠BOC = 90°.

We are given that m∠AOB is a right angle triangle. Thus;

m∠BOC must also be equal to 90°

Now, since m∠BOC and m∠AOB are right angles, then it means that we must equally say that m∠DOA and m∠BOC are vertical opposite angles and they are as such equal.

Thus, the missing piece of information in the proof is that m∠DOA and m∠BOC are vertical opposite angles.

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(Please need help )Cedrick traded his Halloween candy with his friends. He likes Snickers as his favorite
candy. If Cedrick had 32 pieces of candy, and after trading with his friends, came home
with 28 Snickers. What percent of his candy consists of Snickers?

Answers

Answer:

87.5%

Step-by-step explanation:

28/32=0.875

0.875*100= 87.5

87.5% of 32 = 28

A pack of batteries that come in a 48 count are $24.98 what is the unit price of just one battery?​

Answers

Answer A pack of batteries that come in a 48 count are $24.98 what is the unit price of just one battery is  $0.50

Communicating
about Mathematics-

How can defining your variables when writing a system of equations help you determine the
answer to the question being asked?

Answers

Answer:

maths

Step-by-step explanation:

1/2 X+4=6, Solve for X

Answers

Answer:

x = 4

Step-by-step explanation:

1/2 x 4 = 2 + 4 = 6

Answer:

x = 4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

1/2x + 4 = 6

Step 2: Solve for x

Subtract 4 on both sides:                    1/2x = 2Divide 1/2 on both sides:                     x = 4

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x:                    1/2(4) + 4 = 6Multiply:                               2 + 4 = 6Add:                                     6 = 6

Here we see that 6 does indeed equal 6.

∴ x = 4 is the solution to the equation.

Need answer asap.......

Answers

Answer: For this one, I'll use y=mx+b because that equation make the most sense in this scenario.

A) X is the number of hours, and 15, or b is the tip

B) y= 30x + 15.

Have a great day!

Stay safe and healthy!

Happy holiday seasons!

May I please have brainliest?

find the value of this expression if x=6 and y=5

xy/7

Answers

Answer:

4 2/7

Hope this helps and have a nice day!!

sole it please! 6th grade!

Answers

Answer:

this is answer .i solved it .i think it is correct

the variable y varies directly as x. when x=20, y=12. what is the value of y when x=15?​

Answers

Answer:

9

Step-by-step explanation:

The value of y at x =15 is 9.

What is Direct Variation?

Two variables are said to be in Direct Variation when increasing one variable the other also increases.

The direct variation is represented by

y ∝ x

y = kx

where k is the proportionality constant

the value of y =12 , x = 20

12 = k * 20

12/20 = k

k = 0.6

The equation becomes

y = 0.6 x

The value of y at x = 15 is

y = 0.6 * 15

y =9

Therefore, the value of y at x =15 is 9.

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What is the value of p
3/5 + 1/5(40 - p) = 0

Answers

Answer:

Answer is -43

Step-by-step explanation:

1/5(40-p)= -3/5

40-p = (-3/5)/(1/5)

40-p = -3

-p = - 43

p = 43

I really need help with this

The price of fuel may increase due to demand and decrease due to overproduction. Marco is studying the change in the price of two types of fuel, A and B, over time.


The price f(x), in dollars, of fuel A after x months is represented by the function below:


f(x) = 2.27(0.88)x


Part A: Is the price of fuel A increasing or decreasing and by what percentage per month? Justify your answer. (5 points)


Part B: The table below shows the price g(m), in dollars, of fuel B after m months:



m (number of months) 1 2 3 4

g(m) (price in dollars)3.44 3.30 3.17 3.04



Which type of fuel recorded a greater percentage change in price over the previous month? Justify your answer.

Answers

Answer:

  A. decreasing 12% per month

  B. fuel A recorded the greater change

Step-by-step explanation:

Given an equation and a table of values, you want to compare the rates of change each represents.

A.

The fuel price is described by ...

  f(x) = 2.27(0.88^x)

We recognize this exponential equation to be of the form ...

  f(x) = (initial value) × (growth factor)^x

Comparing parts of the equation, we see ...

  growth factor = 0.88

The relation between growth factor and growth rate is ...

  growth factor = 1 + growth rate

  growth rate = growth factor - 1 = 0.88 -1 = -0.12 = -12%

This tells us the rate of change in fuel price is -12% per month.

B.

To find the percentage change, we can use the formula ...

  percent change = ((new value) / (old value) -1) × 100%

Applied to the first two table values, we have ...

  percent change = (3.30/3.44 -1) × 100% ≈ -4.07%

This decrease of 4.07% is less than the decrease of 12% represented by the equation. Type A fuel recorded the greater percentage change.

What is the answer to Y=30x+25

Answers

Answer:

x=1/30y + -5/6

Step-by-step explanation:

Y
4
3+
2+
1+
30
-4
-3-2
-1

1
2
CO
3
4
-1+
-2+
-3
-4-
41
What is the slope of the line?

Answers

Answer:

1

Step-by-step explanation:

Using two points on the line, (0, -3) and (3, 0),

[tex] Slope (m) = \frac{y_2 - y_1}{x_2 - x_1} [/tex]

Let,

[tex] (0, -3) = (x_1, y_1) [/tex]

[tex] (3, 0) = (x_2, y_2) [/tex]

Plug in the values

[tex] Slope (m) = \frac{0 -(-3)}{3 - 0} = \frac{3}{3} = 1 [/tex]

Slope = 1


Cesar made an art sculpture composed of 1,240 craft sticks and 240 pieces of balsa wood. What is the ratio of craft sticks to
balsa wood? Simplify your answer.

please help

Answers

Answer:

31 : 6, 31 craft sticks to 6 balsa wood

Step-by-step explanation:

Make 1240 and 240 into a fraction

[tex] \frac{1240}{240} [/tex]

Divide 1240 and 240 by 10

1240 ÷ 10

= 124

240 ÷ 10

= 24

[tex] \frac{124}{24} [/tex]

Divide 124 and 24 by 4

124 ÷ 4

= 31

24 ÷ 4

= 6

[tex] \frac{31}{6} [/tex]

This can be written as 31 : 6, 31 craft sticks to 6 balsa wood in addition to the fraction.

Have a lovely rest of your day! :)

Find the average rate of change of g ( x ) = 7 x 2 + 8 x 3 on the interval [-3, 4].

Answers

The average rate of change of g ( x ) = 7 x 2 + 8 x 3 on the interval [-3, 4] is 111.

According to the given question.

We have a function g(x) = 7x^2 + 8x^3.

And a interval [-3, 4].

As we know that, the average rate of change of y over an interval between 2 points (a, f(a)) and (b, f(b)) is the slope of the secant line connecting the 2 points.

To calculate the average rate of change between the 2 points we use the formula

f(b) - f(a)/ b - a

Therefore, the average rate of change of g ( x ) = 7 x 2 + 8 x 3 on the interval [-3, 4] is given by

[7(4)^2 + 8(4)^3  - 7(-3)^(2) - 8(-3)^3]/4 + 3

= [112 + 512 - 63 + 216]/7

= 777/7

= 111

Hence,  the average rate of change of g ( x ) = 7 x 2 + 8 x 3 on the interval [-3, 4] is 111.

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3/5 = blank/20 whats the answer?

Answers

Answer:

3/5 = 12/20

Step-by-step explanation:

5 x 4 = 20 so mulyiply 3 x 4 to get 12

need help asap with this geomtry question!

Answers

Answer:

[tex]1-25[/tex]

Step-by-step explanation:

[tex]As\ we\ know\ that,\\The\ Sum\ of\ two\ sides\ of\ a\ triangle\ is\ always\ greater\ than\ the\ third\ side.\\Hence\ here,\\(10+14)>(x-2)\\24>x-2\\24+2>x-2+2\\26>x\\Or, x<26\\Hence,\\As\ x\ practically\ cannot\ be\ neither\ be\ negative, null nor\ 26,\ the range\ is\ from\ 1-25.\\[/tex]

A helicopter hovers 40 feet in the air then the helicopter rises at 21 feet per second what is the helicopters height after 45 seconds

Answers

Answer:

its 985 ft :]

Step-by-step explanation:

Answer:

it is 985 ft

Step-by-step explanation:

I used a calculator

What is the unit rate of a line that goes through the points (3,1)?

Answers

Answer:

2?

Step-by-step explanation:

maybe 2 is in between 1 and 3

What is the standard form equation of the line shown below?

Answers

Answer:

y = -0.25x + 4.5

Step-by-step explanation:

hope this helps :D pls mark brainliest :D

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