Joe said that if you roll a number cube 6 times, one of those rolls will be a 1. Was Joe correct? Why or why not.

Answers

Answer 1

Answer:

He was incorrect because...

Step-by-step explanation:

Although there is a CHANCE that a 1 will be rolled. There is also a chance to rolls all 6's, or all 5's for example. The chance that a 1 will be rolled is 1/6, or ~16.67%.

Answer 2

Joe is not correct.

We have a statement said by joe - if you roll a number cube 6 times, one of those rolls will be a 1.

We have to investigate whether joe is right or not?

What are all possible outcomes if you roll a number cube?

When you roll a number cube the possible outcomes are - 1, 2, 3, 4, 5, 6.

If we consider statement said by joe - he expressed the certainty of the occurrence of 1. According to him, if you roll a number cube 6 times, then the probability of the Event (say A) - one of those rolls will be 1 is :

P(A) = 1 (the event will 100% occur)

However, when a number cube is rolled 6 times, the total number of possible outcomes = 6 x 6 = 36. The total number of favorable outcomes are = 6.

Therefore, the probability that the event - one of the rolls will be 1 is

[tex]P(A) =\frac{6}{36}= 0.16[/tex]

This means that the probability of occurrence of event is 16%.

Hence, Joe is not correct.

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Related Questions

HELP ME HELP ME HELP KE HELP ME PLEASEEEEEE I NEED HELP PLZ PLZ PLZ

Answers

Answer:

1/3

Step-by-step explanation:

5) A bag contains eight red
marbles and six blue
marbles. You randomly pick
a marble and return it to the
bag before picking another
marble. What is the
probabilty that the first
marble you picked was blue
and the second marble was
red? Record your answer as
a decimal to the
thousandths place (three
places past the decimal).

Answers

Answer:

P(B,R) = 24.490%

Step-by-step explanation:

P(B,R) = 6/14 x 8/14 which can be simplified to become 12/49 or 24.490%

Given the point (x, y) = (3, 8), find x' of the image point with respect to an axis rotated 60.

3/2 + 4√3
(3√3)/2 - 4
(3√3)/2 + 4

Answers

The value of x', the image point with respect to an axis rotated 60 is 3/2 + 4√3

How to determine the x' coordinate?

The point is given as:

(x, y) = (3, 8)

The angle of rotation is given as:

θ = 60

The image of rotation is calculated using:

x = x'cosθ - y'sinθ

y = x'sinθ + y'cosθ

So, we have:

3 = x'cos(60) - y'sin(60)

8 = x'sin(60) + y'cos(60)

Evaluate cos(60) and sin(60)

3 = 1/2x' - y'√3/2

8 = x'√3/2 + 1/2y'

Multiply the second equation by √3

8√3 = 3/2x' + √3/2y'

Add this equation and the first equation to eliminate y'

3 + 8√3 = 1/2x' + 3/2x'

Evaluate the sum

3 + 8√3 = 2x'

Divide through by 2

x' = 3/2 + 4√3

Hence, the value of x' is 3/2 + 4√3

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In Earth’s atmosphere, the speed of sound can be approximated using partial variation. The speed of sound is approximately 331 m/s at 0°C and approximately 343 m/s at 20°C.
Jenny yells out “Hello” in a canyon when the air
temperature is 10°C. It takes 1.4 s to hear her
echo. How far away is the wall of the canyon?

Answers

Given the info, we can do 343-331=12 and 20-0=20. Then divide both by 2 to get a ratio of 6:10. This indicates that if temperature is 10, speed will be 6 m/s. I order to get the distance, multiply 6 m/s by 1.4 s, the unit s (second) cancels out and the answer is 8.4 m.

find the value of x. round your answer to the nearest tenth.

Answers

the answer is C. 7.2

Adam has an inflatable pool toy

Answers

Answer:

yes

Step-by-step explanation:

Answer:

nice.

Step-by-step explanation:

₊˚ ꒰ mei ꒱ ‧₊˚

Someone help me out on this one please

Answers

Angle H and angle K :)

Answer:

Angle GHM and Angle LKJ

Step-by-step explanation:

They are both marked the same with one line.

What is the measure of LNK?
K
60°
L
J
750
M
N
m
LNK=

Answers

Answer:

You said                          K = L M N

Divide each side of

the equation by (L N),

and then it says              K / ( L N )  =  M .

Step-by-step explanation:

There are 5 plates of bagels. The numbers of bagels on the plates are 8,10,9,10, and 8. Shane rearranges the bagels so that each plate has the same amount. How many bagels are now on each plate?

Answers

Answer:

6.5 I think I could be wrong???????

divide 6x3 ÷3x how to do please tell me​

Answers

Answer:

hey your answer would be   3x • (2x2 - 1)

please tell me if im wrong

Step-by-step explanation:

Miguel volunteers at his local food pantry and takes note of how much money is donated each day during a 10-day
fundraising phone-a-thon. Below is the graph that represents the data that he collected.
Ty Food Pantry Donations
300
250
200
Dollars Donated
150
100
50
1
2 3 4 5 6 7 8 9 10 X
Number of Days
The slope of the line that represents the data that Miguel collected is 25, and the y-intercept is 50. What do the slope and
y-intercept represent in Miguel's situation?

Answers

Answer:

Step-by-step explanation:

The answer is c

Answer:

C

Step-by-step explanation:

What is the value of x in the triangle?

Answers

Answer:

a. 10√2

Step-by-step explanation:

hey, just use Pythagoras theorem

h²=p²+b²=10²+10²=100+100=200

h²=200, h= √200 =√(100×2)=√100×√2=10√2

State the x- and y-intercepts of each equation
y= -2x + 7

Answers

Answer:

x-intercept(s):   ( 7/ 2 , 0 )

y-intercept(s):   ( 0 , 7 )

Step-by-step explanation:

Answer:

y = 7, x = 7/2

Step-by-step explanation:

y - intercept = 7

x - intercept = 7/2

Both the numerator and the denominator of 18/21 can be divided by _____. 4 6 3 2

Answers

Answer:1

Step-by-step explanation:

Both are whole numbers,so 1 is an answer,

18/1=18

21/1=21

Answer:

3

Step-by-step explanation:

3 * 6 = 18

3 * 7 = 21

Find the area of the trapezoid

Answers

Answer:

45

Step-by-step explanation:

Someone help me with this pleaseeee!!!! I need help ASAP pleasee!!!

Answers

Answer:

192 cm^3

Step-by-step explanation:

base area = side^2 = 8^2 = 64 cm^2

V = (base area x height)/3 = (64 x 9)/3 = 192 cm^3

Help me with this please!!!!!

Answers

Answer:

d = √(x2 - x2)^2 + (y2 - y1)^2 + (z2 - z1)^2

P1(0, 0, 0) P2(-9, 6, -4)

Substitute the values in the above equation and you will get

d = √(-9)^2 + (6)^2 + (-4)^2

= √(81 + 36 + 16)

= √133

= 11.53

Answer:

The answer is 11.53

I know the answer is no x intercepts because we have an answer sheet to check our answers i just forgot how to do this and would appreciate an explanation: ind the number of x-intercepts of y= -x^2 + 4x - 12

Answers

Answer:

negative square root will result in zero x-intercepts

Step-by-step explanation:

there are no x-intercepts because if you use the quadratic formula on the equation you get a negative square root which results in zero x-intercepts

in this case, a=-1, b=4, c=-12

[-4±√4² - 4(-1)(-12)] / 2(-1)

= [-4 ± √16-48] / -2

= -4 ± √-32 / -2

The short sides of a right triangle is called the???? I NEED HELP

Answers

Answer:

the side that is opposite of the right angle is called the hypotenuse

Step-by-step explanation:

enjoy this cat

I need help with all odd numbers please

Answers

Answer:

5. a = 4

7. x = -8

9. x = -1

11. p = 1.1

13. x = -1

15. x = -4

Step-by-step explanation:

2.9a = 11.6

2.9a/2.9 = 11.6/2.9

a = 4

-3.7x = 29.6

-3.7x/-3.7 = 29.6/-3.7

x = -8

(x-5)(-3) = 18

(x-5)(-3)/-3 = 18/-3

x-5 = -6

x-5+5 = -6+5

x = -1

3.6 = -2p+5.8

3.6-5.8 = -2p+5.8-5.8

-2.2 = -2p

-2.2/-2 = -2p/-2

1.1 = p

2x+6 = -4x

2x+6-6 = -4x-6

2x = -4x-6

2x+4x = -4x-6+4x

6x = -6

6x/6 = -6/6

x = -1

21-6x = -11-14x

21-6x-21 = -11-14x-21

-6x = -14x-32

-6x+14x = -14x-32+14x

8x = -32

8x/8 = -32/8

x = -4

Answer:

5.) a= 4

7.) x= -8

9.)x= -1

11.) p= 1.1

13.) x= -1

15.) x= -4

Step-by-step explanation:

5.) divide 11.6 by 2.9a

7.)divide 29.6 by -3.7u

9.) Divide by sides by -3. simplify. Add 5 to both sides. then simplify again x= -1

11.) subtract 5.8 from 3.6 . you're left with -2p=-2.2 divide both sides by -2. you get p=1.1

13.)Subtract 6 from both sides. You get 2x= -4x-6. Add 4x to both sides. then divide -6 by 6 you get x=-1

15.) Simplify both sides of the equation, so add 14x to -6x +21 side, you get 8x= -32 then divide -32 by 8x you get -4

In the parallelogram RSTU, the diagonals RT and SU intersect at point W.

A. 4
B. 8
C. 10
D. 20

If RW = 2x + 2 and RT = 3x +8, what is the length of WT?

Answers

Answer:

4

Step-by-step explanation:

i did the math but i did the math but i dont wanna type it all out  

Please help ASAP !!

Answers

Answer:

3rd one or infinite

Step-by-step explanation:

Laurie is trying to stay within 10 feet of her current diving depth of -30 feet (with regard to sea level) so that the light is still good but she can be close to the sea life during her scuba dive Which two equations can be used to find the minimum and maximum depths Laurie wants to stay between?

Answers

Answer:

It should be the first one

Step-by-step explanation:

since positive ten would represent going further up and negative ten going further down, the diver would be within ten feet of her current position

Answer:

A) -30 - x = 10 and -30 - x = –10

Step-by-step explanation:

Part 1:

1) Isolate the variable x

-30 - x = 10

-x = 40

2) Multiply both sides by -1

x = -40

Therefore -30 - x = 10 is correct

Part 2:

1) Isolate the variable x

-30 - x = –10

-x = 20

2) Multiply both sides by -1

x = -20

Therefore -30 - x = –10 is also correct

Final Answer: -30 - x = 10 and -30 - x = –10

Write an expression to represent how to calculate the area of a triangular sail.

Answers

Answer:

(b × h) ÷ 2

Step-by-step explanation:

The grid shown below is in the shape of a rectangle. What is the area, in square units, of the shaded part of the rectangle? *

Answers

answer:
B) 24

step-by-step explanation:
there are 48 squares in total
half of the squares are shaded
48/2
24

Answer:

I'm going to say 24. I'm 97% sure I'm correct

A hiker has 2 pairs of hiking shoes, 3 shirts, and 5 pairs of shorts to choose from. How does the number of combinations of shoes, shirts, and shorts change as the
hiker adds a new pair of shorts to his collection? Explain.
If the hiker adds
new pair of shorts to his collection, the new number of combinations is
which is
than
The original number of combinations is
the original number of combinations.
(Type whole numbers.)

Answers

Answer: 12

Step-by-step explanation:

There are 12 different combinations

If you base it off of the 2 pairs of shoes, each one goes over each shirt twice, and each pair of shorts will go over once

In the right ABC above, what is the length of the side BC?
!!!!!!!!!!!!!!

Answers

Answer:

look at the picture i have sent

In the right ABC above, the length of the side BC is 4.

What is the Pythagoras theorem?

The Pythagoras theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.

[tex]|AC|^2 = |AB|^2 + |BC|^2[/tex]

Given;

Side BA= [tex]\sqrt{11}[/tex]

Side AC= [tex]\sqrt{5}[/tex]

BC^2=BA^2+AC^2

BC^2= ([tex]\sqrt{11}[/tex])^2 +([tex]\sqrt{5}[/tex])^2

BC^2= 11+5

BC^2= 16

BC= 4

Therefore, the Pythagoras theorem gives answer 4

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1a.) Brian borrowed 4 non-fiction books from the library. This was 25% of the
books he checked out. How many books did Brian check out? *

Answers

Answer:

Step-by-step explanation:

Answer:

16 books

Step-by-step explanation:

100÷25=4

4×4=16

If ABCD is dilated by a factor of 2, the
coordinate of B' would be:
B' ([?],[?])

PLEASE HELP I WILL MARK BRAINLIEST!!

Answers

Answer:

I believe its (- 2, 2 )

Step-by-step explanation:

Assuming the dilatation is centred at the origin, then multiply the coordinates of B by the scale factor 2, that is

B(- 1, 1 ) → B'(2(- 1), 2(1) ) → B'(- 2, 2 )

A clothing store advertises that its prices are only 10% above cost. What is the store's profit on a coat that is advertised for $160?

Answers

Answer: $16

Explanation: 10% of $160 is $16
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