Keisha is playing a game using a wheel divided into eight equal sectors, as shown in the diagram. Each time the spinner lands on white, she will win a prize. If she spins this wheel twice, what is the probability she will win a prize on both spins? Please show all steps!
Answer:
[tex] \frac{4}{64} [/tex]
Step-by-step explanation:
The spinner is independent (the total won't be effected)
we know there is 2 whites with 8 coloured option.
[tex] \frac{2}{8} [/tex]
we want the probability of getting two whites.
[tex] \frac{2}{8} \times \frac{2}{8} = \frac{4}{64} [/tex]
there is 3 ways to work out probability, fraction, decimal and percentage (i'd personally say fraction is the most easiest)
The probability of Keisha to win a prize on both spins in a game of wheel which is divided in eight equal sectors is 1/16.
What is probability?Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event.
Keisha is playing a game using a wheel divided into eight equal sectors, as shown in the diagram.
Each time the spinner lands on white, she will win a prize. If she spins this wheel twice,
Here, the white is appeared twice in the wheel and the total number of sector in wheel are 8. Thus the probability of first time to come white in the spin is,
[tex]P=\dfrac{2}{8}\\P=\dfrac{1}{4}[/tex]
The conditions are same for the second case. For this case, both result of both the spins of wheel are independent of each other.
Thus, by the chain rule, the probability both spin as white sector appear is,
[tex]P=\dfrac{1}{4}\times\dfrac{1}{4}\\P=\dfrac{1}{16}[/tex]
Thus, the probability of Keisha to win a prize on both spins in a game of wheel which is divided in eight equal sectors is 1/16.
Learn more about the probability here;
https://brainly.com/question/24756209
If a tree casts out a 24 foot shadow at the same time that a yard stick casts a 2 foot shadow, find the height of the tree
Answer:
10x = 75 100 ft X = 7.5 3.
Step-by-step explanation:
Use the distibutive property to simplify the expression 3(4x + 9)
4x + 27
12x +27
7x + 12
Answer:
=48x2^+3097x+12
Step-by-step explanation:
3(4x+9)(4)x+2712x+277x+12
Distribute:
=48x2+108x+2712x+277x+12
Combine Like Terms:
=48x2+108x+2712x+277x+12
=(48x2)+(108x+2712x+277x)+(12)
=48x2+3097x+12
Answer:
Hello~
12x+3×9
12x + 27
Ary~
help please me i will gibe brainlest
Answer:
Where is the question?
Step-by-step explanation:
I don't see a question do you??
The area of the parallelogram below is ____ square meters.
Answer:
63
Step-by-step explanation:
9 * 7 = 63
number five pls solve it
NEED HELP ASAP!!!
If a five on a dice is rolled 10 times within 50 rolls, how many times would you roll a five if you rolled the dice 300 times?
Answer:
60
Step-by-step explanation:
There are two ways to check that I know.
First way:
Double 50, 10 automatically doubles too.
50x2=100
10x2=20
Then we can multiply the 100 by to equal 300, the 20 also automatically multiplies to equal 60.
100x3=300
20x3=60
Second way:
10 is 20% of 50 we can find that bu multiplying 20% and 50, like this:
20%x50= 10
To find out the answer if the 5 was changed to a 300 we would have to multiply 20% of 300.
20%x300= 60
We've looked at two ways to solve this problem and both ways equal 60. So, therefore, the answer for this question is 60.
Quadrilaterals must have exactly 4 sides. The shapes in ___ must have 2 pairs of parallel sides, 4 right angles, and 4 sides of equal length. The shapes in ___ must have at least one pair of parallel sides. The shapes in Group D must have 2 pairs of parallel sides and 4 sides of equal length. The shapes in ___ must have 2 pairs of parallel sides and 4 right angles. The shapes in ___ must have exactly 2 pairs of parallel sides.
Answer:
1) Square
2) Trapezoid
3) Rectangle
4) Parallelogram
Step-by-step explanation:
Quadrilaterals must have exactly 4 sides.
The shapes in a square must have 2 pairs of parallel sides, 4 right angles, and 4 sides of equal length.
The shapes in a trapezoid must have at least one pair of parallel sides. The shapes in Group D must have 2 pairs of parallel sides and 4 sides of equal length.
The shapes in a rectangle must have 2 pairs of parallel sides and 4 right angles.
The shapes in Parallelogram must have exactly 2 pairs of parallel sides.
Answer:
yoooo
Step-by-step explanation:
help please, find the value of x
Answer:
1. 12.20
2.8.9
3.31.4
4.13.9
5. 21.93
6. some of it is cut off.
Step-by-step explanation:
a^2+b^2=c^2
i need help on this!! please help
Answer:
p+33+p-19+2p-46=180
Step-by-step explanation:
Add all your variables and all your numbers and then simplify
Answer:
p=53
Step-by-step explanation:
(p-19)+(p+33)+(2p-46)=180
53-19=34
53+33=86
2(53)-46=60
34+86+60=180
p=53
Your brother is 13 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equation to find your age a.
An equation is
???=9.
You are
??? years old.
answer:
if you rounded it the answer is 15 years old!
step-by-step explanation:
when know that your sister is 9 years old, so lets start off with that. because your sister is 4 older then your brother then that must mean that you brother is 5 years old
9-4
= 5
we also know that you brother is 1/3 your age so divide 5 by 1/3 or .33
5/ .33
= 15.15
but since it looks like we only need the whole number. just round down to 15 since your age is not close enough to round up to 16
( here is a tip i have gotten for rounding )
1-4 stay on the floor
5-9 climb the vine
haha they might sound super du-mb but they have helped me when i was younger!
hope this helps you and if you ever need anymore help/questions just ask me! :)
I NEED TEST ANSWER FAST 12 pounds 4 ounces minus 8 pounds 11 ounces without decimal
Answer:
3 pounds 9 ounces
Step-by-step explanation:
Dorcas walks a distance of 18 km from home to school at a speed of 6km/h how long does she take to arrive at school?
Time = distance / speed
Time = 18 km / 6 know
Time = 3 hours
Answer:
[tex] \bf \huge 3 \: hours[/tex]
Step-by-step explanation:
Given that :Dorcas walks a distance of 18 km from home to school at a speed of 6km/h.to find :how long does she take to arrive at school ?formulas used :time = distance / speedlet us assume :time = texplanation :⟼ distance = 18 km
⟼ speed = 6 km/h
⟼ t = distance / speed
⟼ t = 18/6 h
⟼ t = 3h
⟼ time = 3 hours.
∴ dorkas take 3 hours. to arrive at school.
Karla has a cylindrical candy jar that is 5 inches tall and has a radius of 1.25 inches. The candy jar is 75% full. How much volume is in the candy jar? *Remember, the candy jar is not full. You are only looking at 75% of the jar 18.41
Answer:
I think the answer is 18.3984375 inches
what is the sum of the exterior angels of a 28 sided polygon ?
Answer: All polygons follow a rule that the sum of their exterior angles will equal 360 degrees.
The graph of a function f is shown below. Find f(-1).
Solve f(x)=-(x+1)^2+2
Answer:
y=−x^2−2x+1
Step-by-step explanation:
x = (blank) degrees and adding letters so i can ask the question
Answer:
x = 47°
Step-by-step explanation:
Since CPD is a straight line, then
133 and x are adjacent angles and supplementary, sum to 180° , then
x + 133° = 180° ( subtract 133° from both sides )
x = 47°
The Jefferson Valley Bank once had a separate customer waiting line at each teller window, but it now has a single waiting line that feeds the teller windows as vacancies occur. The standard deviation of customer waiting times with the old multiple-line configuration was 1.8 min. Listed below is a simple random sample of waiting times (minutes) with the single waiting line. Use a 0.05 significance level to test the claim that with a single waiting line, the waiting times have a standard deviation less than 1.8 min. What improvement occurred when banks changed from multiple waiting lines to a single waiting line?
Answer:
There will be sufficient evidence to conclude. A further explanation is provided below.
Step-by-step explanation:
The given values are:
[tex]\sigma=1.8[/tex]
[tex]\alpha=0.05[/tex]
[tex]n=10[/tex]
As we know,
[tex]\bar{x}=\frac{\Sigma x_i}{n}[/tex]
[tex]=\frac{71.5}{10}[/tex]
[tex]=7.15[/tex]
The standard deviation will be:
⇒ [tex]s=\sqrt{\frac{1}{n-1} \Sigma(x_i- \bar{x})^2 }[/tex]
On substituting the values, we get
⇒ [tex]=\sqrt{\frac{1}{10-1} [(6.5-7.15)^2+...(7.7-7.15)^2]}[/tex]
⇒ [tex]=\sqrt{\frac{1}{9} [(6.5-7.15)^2+...(7.7-7.15)^2]}[/tex]
⇒ [tex]=0.477[/tex]
According to the question,
Hypotheses:
[tex]H_o: \sigma=1.8[/tex]
[tex]H_a: \sigma<1.8[/tex]
The test statistic will be:
⇒ [tex]X^2=\frac{(n-1)s^2}{\sigma^2}[/tex]
⇒ [tex]=\frac{(10-1)\times 0.477^2}{1.8^2}[/tex]
⇒ [tex]=\frac{2.0477}{3.24}[/tex]
⇒ [tex]=0.632[/tex]
Thus the above is the correct response.
In terms of it, how much longer is the crust on a pizza with a radius of 10 in, than the crust of a pizza with a radius
of 5 in.?
Answer:
10
Step-by-step explanation:
10-5
Answer:
10
Step-by-step explanation:
Find the volume of each figure. Round your answers to the nearest hundredth, if necessary
Answer:
666.67π .ft^3
here's your solution
=> radius of cone = 10 ft
=> height of cone = 20 ft
=> volume of cone = πr^2h/3
=> putting the value of radius and height
=> volume = 10^2*20/3π
=> volume = 666.67π .ft^3
hope it helps
34
Sandwiches
Tuna
Here are the types of sandwiches sold in a cafe last week.
56 tuna sandwiches were sold.
This was 40% of the total number of sandwiches sold.
Work out the total number of sandwiches sold.
What is the slope and y-intercept of the equation, y=3x+10?
why am i failing my LIFE ?
Answer:
I dont know cause I am too
The point (-2, 1) is on the graph of which of these functions?
A. y = -x^2 - 1
B. y = x^2 + 3
C. y = 1/2x
D. y = -3x - 5
Answer:
-3 is the answer
Step-by-step explanation:
Answer: its A
Step-by-step explanation: Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Down
Vertex:
(0,−1)
Focus: (0,−54)
Axis of Symmetry: x=0
Directrix: y=−3/4
x y
−2 −5
−1 −20
0 −1
1 −2
2 −5
Please help!! I'll give brainliest and everything else!
Answer:
the third one down
Step-by-step explanation:
Luke is a locksmith. On weekends he gets paid \$ 64 . 50 per hour, plus a flat rate service fee of \$ 75 for every job. On this Saturday he has three separate jobs that will take 1 1/2, 1/4, and 1 1/4 hours to complete respectively
Answer:
Luke will earn $ 418.50.
Step-by-step explanation:
Given that on weekends Luke gets paid $ 64.50 per hour, plus a flat rate service fee of $ 75 for every job, and on this Saturday he has three separate jobs that will take 1 1/2, 1/4, and 1 1/4 hours to complete respectively, to determine the money you will earn on the day the following calculations must be made:
(75 x 3) + (1.5 x 64.5) + (0.25 x 64.5) + (1.25 x 64.5) = X
225 + 96.75 + 16.125 + 80.625 = X
418.50 = X
So, all Saturday, Luke will earn $ 418.50.
enter the unknown value to make this statement true 20% of ?
is 40
Does anybody know the answer to this? (Also could I give the link to someone so they could help with the rest?)
Answer:
2x+168=166
2x= -2
x=-2
LMT= 94
Step-by-step explanation:
Can you guys please help
Answer:
The length (which is the bottom and top lines) are both 9 inches long.
Step-by-step explanation:
To find the perimeter with only one given measurement and the total perimeter, first you need to double the given value. In this case it is 6 so 6 x 2 = 12. After that you need to find the rest of the sides so you can do 30 - 12 = x, or 12 + x = 30. As a total the answer is 18. Finally you divide 18 by two because there is two sides and you get 9.