Events A and B are disjointed. P(A) = 3/10; P(B) =2/5 . Find P(A or B). 1/3 7/10 1/10 9/10

Answers

Answer 1

Answer:

7/10

Step-by-step explanation:

Given

P(A) = 3/10P(B) = 2/5

To find

P(A or B)

Solution

P(A or B) = P(A) + P(B)P(A or B) = 3/10 + 2/5 = 3/10 + 4/10 = 7/10
Answer 2

Answer:

7/10

Step-by-step explanation:

^


Related Questions

3x=10 how do you solve this, i hate math and dont know what to do. help?

Answers

divide 3 on both sides
x=3.33

Answer:

x = 10/3

Step-by-step explanation:

Okie so to solve a one variable equation, we have to isolate x. To do that, we have to divide both sides of the equation by 3 so we get x = 10/3.

1. What is the solution to the equation modeled below?

Answers

Answer:

3.67

Step-by-step explanation:

the equation is 3x + 5= 16

do 16 - 5 to get 11

next do 11 divided by 3 to get 3.67

hope this helps :)

this answer may be incorrect because the answer was really 3.66666666667

In 2015 the population of 895 quail increases at an annual rate of 3.5%. In writing an
exponential function to model the quail population, using f(t) = a(b)+ what is the value
of a
?
and b =


Please help!!

Answers

Answer:

y=895•1.07^x Y is the population of quails and X is the amount of years that have passed.

Step-by-step explanation:

hope this helps

Which could be the missing first term of the expression that, when fully simplified, would be a binomial with a degree of 4? Select three options.

________ – 5xy3 + 9x2y

0
5xy3
9x2y
8y4
4xy3

Answers

Answer:

Yo The answer is A,C,E or 0, 9x2y, and 4xy3

Step-by-step explanation:

Got it right on Edge. Good luck

Answer: A, C, E

Step-by-step explanation:

7. Two people enter a whispering gallery t want to know where they should stand so they can hear other people whisper. The gallery is too fast wide and the vertical distance from their head to the peak of the ceiling is 30ft.​

Answers

Answer: Just get closer

Step-by-step explanation:

Walk next to someone to hear them left foot right foot towards them.

Find m∠ABC.





24°



58°



19°



37°

Answers

Answer:

3x-14=2x+10

add 14 to both sides

3x-14+14=2x+10+14

3x=2x+24

subtract 2x from both sides

3x-2x=2x+24-2x

x=24

Plug x into the equations

3(24)-14=58

2(24)+10=58

they are the same angle

B=122

58-180=122

116-360=244

244/2=122

I hope this is good enough:

Answer:

X=24

Step-by-step:

3x-14=2x+10

add 14 to both sides

3x-14+14=2x+10+14

3x=2x+24

subtract 2x from both sides

3x-2x=2x+24-2x

=24 deg

what is (3x+2)(4x-5)

Answers

Answer:

12x^2 - 7x - 10

Simplify, or in other words...multiply them

The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ensure the correct size. One day, an inspector decides to stop production if the discrepancy in diameter is more than 0.002 mm. Which function could represent this situation?
f(x ) = x – |42.67|
f(x ) = |x| – 42.67
f(x ) = |42.67 – x|
f(x ) = 42.67 – |x|

Answers

Answer:

c

Step-by-step explanation:

The function that could represent this situation is f(x ) = |42.67 – x| (Option C).

What quality control?

The process of quality control helps a producer to ensure that the correct standard is  maintained in the production of goods. It involves the testing of products to ensure that they conform to specifications.

Now we are told that factory wants to ensure that the discrepancy in diameter is not more than 0.002 mm. Since the discrepancy could be above or below the given value then it follows that the function that could represent this situation is f(x ) = |42.67 – x| (Option C).

Learn more about quality control:https://brainly.com/question/1674784

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if there are 21 ladybugs how many bumblebees?​

Answers

Answer:

I need the rest of the question to answer

Is 11/5 rational or irrational ?

Answers

Answer:

Step-by-step explanation:

Rational number. An rational number is simply a number of arithmetic: a whole number, fraction, mixed or decimal; together with its negative image.

how do i find my sister's math question she just posted how do i find it

Answers

Answer:

You can find it on her profile, in the questions section.

Step-by-step explanation:

Tap her profile picture, which will take you to her profile.

Tap the questions bar, which should lead you to all questions she has posted.

Lastly, tap the question you want! It should show you the date or time it was posted.

A brainiest is this doggo's bone!

Please help. Questions in the picture.

Answers

Answer:

Step-by-step explanation:

(2 , 0)  ; (0, 1)

Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\[/tex]

          [tex]= \frac{1-0}{0-2}\\\\=\frac{1}{-2}\\\\\\=\frac{-1}{2}[/tex]

m = -1/2 ; (2 , 0)

Equation of the line : y - y1 = m(x - x1)

                                  [tex]y - 0 = \frac{-1}{2}(x-2)\\\\ y = \frac{-1}{2}x - 2*\frac{-1}{2}\\\\\\ y = \frac{-1}{2}x+1[/tex]

slope = (-1/2)

y - intercept = 1

Alex and Freddy collect stamps. The number of stamps in Alex’s collection is in ratio 3:5 to the number of stamps in Freddy’s collection. If Freddy gives Alex 10 stamps, the ratio will change to 7:9. How many stamps are in both collections together?

Answers

suppose Alex has 3x stamps, Freddy has 5x stamps. After Freddy gives Alex 10 stamps, Alex has 3x+10 while Freddy has 5x-10
the new ratio is 7 to 9, so we have the equation: (3x+10)/(5x-10)=7/9
9(3x+10)=7(5x-10)
27x+90=35x-70
160=8x
x=20
So Alex has 3*20=60 stamps while Freddy has 5*20=100. Together they have 160

What is the value of 4.76 0.015?

Answers

Answer:

3.645

Step-by-step explanation:

4.760-0.015=3.645

The first five terms of an arithmetic sequence are 8, 13/2, 5, 7/2, and 2. Which function, f(x), could be used to describe the xth term of the sequence?

Answers

Answer:

f(x) = 8 - 1.5x

Step-by-step explanation:

Here, we want to write a function that can be used to describe the x th term of the sequence

Mathematically, this can be calculated by looking at the numbers in the sequence

The difference between each successive term

is -1.5 ( 6.5-8, 3.5 -5)

So the formula for then x th term will be;

f(x) = 8 - 1.5x

where x refers to the number of the term , for example the 4th term

Answer:

-1.5x+9.5

Step-by-step explanation:

-1.5(1)+9.5=8

-1.5(2)+9.5=6.5

-1.5(3)+9.5=5

and so on....

m to the power of 4 =
when m is 2/3
plz help me

Answers

Answer:

WAIT I MESSED UP DONT ANSWER THAT

Step-by-step explanation:

Answer:

[tex]\frac{16}{81}[/tex]

Step-by-step explanation:

[tex]\frac{2}{3} ^{4} = \frac{16}{81}[/tex]  

I hope this helps!

what would be the measure of angle A?
A. 70 degrees
B. 79 degrees
C. 55 degrees
D. 44 degrees

Answers

Answer:

D because that is the smallest angle on there baby doll

Step-by-step explanation:

have a nice day sugar bear

Answer:

D

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

4x + 8x - 9 + 57 = 180, that is

12x + 48 = 180 ( subtract 48 from both sides )

12x = 132 ( divide both sides by 12 )

x = 11

Thus

∠ A = 4x = 4 × 11 = 44° → D

Please answer FAST i need your help and when you put your answers put them like
1.
2.
3.
4.
5.

Answers

Step-by-step explanation:

3.5

1

-7.14

1

1/5

6.5

sorry if this and are wrong

1. 3.5
2.=-1/8
3.-30.66
4.=1/3

Help
This is easy but I am DUMB

Answers

Answer:1. The third stage it did the addition first not the division and number two the first stage u need to do the problem on the parenthesis first .

Step-by-step explanation:

In the diagram, AB= DC and AC= DB. Why does m

Answers

Answer:

why does m what????

Step-by-step explanation:

the difference between two numbers is 3. their sum is 13. find the numbers

Answers

Answer:

8 and 5

Step-by-step explanation:

8 plus 5 is 13 and 8 minus 5 is 3

An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?

Answers

Answer:

80 miles.

Step-by-step explanation:

If it is traveling at 320 miles per hour, and its asking how much its traveled in 15 minutes you do this:

Since 15 minutes is 1/4 of an hour, you take 1/4 of how fast they are traveling at mph, which in this case is 320 mph.

320/4=80

The airplane will travel 80 miles in 15 minutes.

What is Distance?

The length along a line or line segment between two points on the line or line segment.

we need to use the formula of distance.

distance = speed × time

Since the speed of the airplane is 320 miles per hour, we need to convert 15 minutes to hours:

15 minutes = 15/60 = 0.25 hours

Now we can substitute the values into the formula:

distance = speed × time

distance = 320 × 0.25

distance = 80

Therefore, the airplane will travel 80 miles in 15 minutes.

To learn more on Distance click:

https://brainly.com/question/15172156

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A group of 8 friends went to lunh and Spent a total of $76 which included the food bill in the tip of $16 they decide to split the bill into evenly among themselves

Answers

Answer:

The equation 1/8(x+16)=76/8 represents the situation, where x is the food bill.

The solution x=60 represents the total food bill.

Step-by-step explanation:

As in the question it is mentioned that there is eight group of friends and the total amount incurred is $76 that also involved $16

Now let us assume the food bill be x

So the equation would be

(x + 16) ÷ 8 = 76 ÷ 8

(x + 16) ÷ 8 = 9.5

x + 16 = 9.5 × 8

x = 76 -16

x = 60

So, the bill of food is 60

As per the given options, the above two statements should be selected

Joe leaves his house at 10:15 A.M. to walk to the store. It takes him 10 minutes to walk, 35 minutes to shop, and 10 minutes to walk back home. At what time does Joe return to his house?

Answers

Answer:11:10 am

Step-by-step explanation:

el área de un terreno rectangular es de 616 metros cuadrados si el largo del terreno mide 6 m más que el ancho cuáles son sus dimensiones​

Answers

Answer:

length 28, width 22

Step-by-step explanation:

28 - 22 = 6, 28 x 22 = 616

~WILL GIVE BRAINLIEST~ What is the slope of this line (in the picture)? Enter your answer as a fraction in simplest term in the box.

Answers

Answer:

-2/2 wich is equal to -1

Step-by-step explanation:

8993.2x 10³ use the powers of ten rules please help iv been stuck on this​

Answers

Answer:

I think the answer is 8993200

Step-by-step explanation:

i think its wrong but I try my best

I really need a 100 I'm felling in all my classes, please


Select the fraction that is equivalent to one-sixth.

Answers

Answer:

There is no picture, or diagram with the question, but 1/6 = 2/12

Answer:

2/12

Step-by-step explanation:

1/6 * 2 = 2/12

Multiply both numerator and denomanotor

Lastly solve |5x-7|= -3

Answers

Answer:

there is no number to plug into x cause you can't have a negative number if it is absolute value cause that makes everything positive

Write a word phrase for 2(x-5)
A - Five less than two times a number.
B - Two multiplied by x less than five.
C - Twice the difference of x and 5.
D - The product of 2 and x, decreased by 5.

Answers

Answer: C

Step-by-step explanation: Always read an expression left to right

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