Question 5(Multiple Choice Worth 2 points)
(Sample Spaces MC)
Julia had a bag filled with gumballs. There were 2 watermelon, 3 lemon-lime, and 5 grape gumballs. What is the correct sample space for the gumballs in her bag?
A) Sample space = watermelon, watermelon, lemon-lime, lemon-lime, lemon-lime, grape, grape, grape, grape, grape
B) Sample space = watermelon, lemon-lime, grape
C) Sample space = 2, 3, 5
D) Sample space = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
The sample space is (a) watermelon, watermelon, lemon-lime, lemon-lime, lemon-lime, grape gumballs, grape gumballs, grape gumballs, grape gumballs, grape gumballs
How to determine the sample spaceFrom the question, we have the following parameters that can be used in our computation:
2 watermelon, 3 lemon-lime, and 5 grape gumballs
Rewrite the items according to their frequencies
So, we have the following representation
watermelon, watermelon, lemon-lime, lemon-lime, lemon-lime, grape gumballs, grape gumballs, grape gumballs, grape gumballs, grape gumballs
The above represents the sample space
Hence, the sample space is (a)
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PLSSS If you spin the spinner 10 times, what is the best prediction possible for the number of times it will land on pink?
Answer:
3 timesStep-by-step explanation:
Probability of landing on pink:
P(pink) = number of pink / total number = 3/10If spun 10 times then possible outcomes with pink:
3/10*10 = 3 timesAnswer:
3 times, or \(\frac{3}{10}\)
Step-by-step explanation:
There are 3 out of 10.
use the line graph to answer the question 9 and 10 how much did the temperature change from Sunday High to Mondays High ? what was the difference between the high temperatures on Friday and Wednesday
Answers:
How much did the temperature change from Sunday High to Mondays High?
Change = 4 °C
What was the difference between the high temperatures on Friday and Wednesday?
Difference = 10 °C
Explanation:
Taking into account the graph, we get that the high temperature each day is:
Sunday: -10°C
Monday: -6 °C
Tuesday: - 4 °C
Wednesday: -6 °C
Thursday: 0 °C
Friday: 4 °C
Saturday: -2 °C
So, the change from Sunday High to Mondays High can be calculated as:
Change = Monday - Sunday
Change = -6 °C - (- 10 °C)
Change = -6 °C + 10 °C
Change = 4 °C
In the same way, the difference between the high temperatures on Friday and Wednesday can be calculated as:
Difference = Friday - Wednesday
Difference = 4 °C - (-6 °C)
Difference = 4 °C + 6 °C
Difference = 10 °C
Therefore, the answers are:
How much did the temperature change from Sunday High to Mondays High?
Change = 4 °C
What was the difference between the high temperatures on Friday and Wednesday?
Difference = 10 °C
Please help me with this I will give brainlist
Answer:
the answer your looking for is a.) 8.6
factor each expression completely
please help me asap becasue I need this for math home work due today.
8n^2+68n+84
Step-by-step explanation:
Sometimes it is hard to 'see' the factorization....so you can take the HCF out of the three terms to perhaps see it better:
Factor out a '4'
4* ( 2n^2 + 17n + 21 )
4 ( 2n +3 )(n +7 ) DONE.
Kelly works two jobs. She usually works at a retail store for 5 hours during the day and is paid $13.31 per hour by the store. In the evening she works at a restaurant as a manager for 7 hours and is paid $14.05 per hour. How much does she make on average per hour for the day?
Given that Kelly is paid $13.31 per hour for 5 hours of work at the retail store. So her payout for these 5 hours will be,
\(\begin{gathered} =5\cdot(13.31) \\ =66.55 \end{gathered}\)Also given that Kelly is paid $14.05 per hour for 7 hours of work at the restaurant. So her payout for these 7 hours will be,
\(\begin{gathered} =7\cdot(14.05) \\ =98.35 \end{gathered}\)The total payout is obtained as,
\(\begin{gathered} =66.55+98.35 \\ =164.9 \end{gathered}\)The average income per hour can be obtained as follows,
\(\begin{gathered} =\frac{\text{ Total payout}}{\text{ Total time invested}} \\ =\frac{164.9}{7+5} \\ =\frac{164.9}{12} \\ \approx13.742 \end{gathered}\)Thus, it can be concluded that Kelly makes an average of $13.742 per hour for the day.
What number would come next in this sequence? 1, 2, 6, 22
The next number in the sequence 1, 2, 6, 22 is 86.
What is Sequence?Sequence is an enumerated collection of objects in which repetitions are allowed and order matters.
The given sequence is 1, 2, 6, 22
Consider the provided sequence 1, 2, 6, 22, ____ ?
Observe the pattern of the sequence.
To obtain the sequence you need to add the next even square of 2 in the previous number.
1+2⁰=2
Now the next even number is 2.
2+2²=6
Now 6+2⁴=6+16=22
Therefore, the next number should be:
22+2⁶=86
Hence, the next number in the sequence 1, 2, 6, 22 is 86.
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g(x) = -2(3x + 4)(x - 1)(x – 3)^2 be a polynomial function.
State the leading term, degree, and if the leading coefficient is positive or negative.
I mostly understand this, but don't know how the square affects things.
The polynomial is of degree 4, and the leading coefficient is -6.
How to find the degree of the polynomial?A polynomial of degree N with a leading coefficient A and the zeros {x₁, x₂, x₃, ..., xₙ} (notice that we have as many zeros as the degree of the polynomial) is written as:
p(x) = A*(x - x₁)*...*(x - xₙ)
Here we have the polynomial:
g(x) -2*(3x + 4)*(x - 1)*(x - 3)²
We can expand this as:
g(x) = -2*(3x + 4)*(x - 1)*(x - 3)*(x - 3)
Think that as we have "two zeros" at x = 3.
So we have 4 factors, then the degree of the polynomial is 4.
To find the leading coefficient we just need to look at the term that comes by multiplying all the terms with "x", we will get:
-2*(3x)*x*x*X
-6*x⁴
The leading coefficient is negative.
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Find The sum of the first 10 terms 8,20,32,44
Answer:
S₁₀=620
Step-by-step explanation:
This is an arithmetic sequence with a common difference of d=12
The formula for an arithmetic series is Sₙ=(n/2)(a₁+aₙ) where aₙ is the nth term and a₁ is the first term.
We know that a₁=8 and d=12 where the 10th term would be a₁₀=8+(10-1)12=116.
Therefore, the sum of the first 10 terms of the arithmetic series is S₁₀=(10/2)(8+116)=(5)(124)=620
How many paths are there from $A$ to $B,$ if you travel along the edges? You can travel along each edge at most once, but you can pass through the same point more than once. (You can pass through $B,$ as long as you end up at the point $B.$)
Answer:
9
Step-by-step explanation:
You don't need to pass through each edge once.
If we name the top vertex 1 and the bottom vertex 2 then here are the possible combinations:
A-1-B
A-B
A-2-B
A-1-B-A-2-B
A-2-B-A-1-B
A-B-1-A-2-B
A-B-2-A-1-B
A-1-B-2-A-B
A-2-B-1-A-B
Some people say 6 because they think you need to pass through all the edges. But the only restriction with travelling on the edges is you can't pass one twice. The point is read the wording and it becomes easy.
Hope this helps!
There are 9 students participating in a spelling bee. In how many ways can the students who go first, second, and third be
chosen?
B.504 ways
C.529 ways
a. 454 ways
d. 404 ways
Answer:
I'm pretty sure it is C
Step-by-step explanation:
A certain drug is made from only two ingredients: compound A and compound B. There are 3 milliliters of compound A used for every 5 milliliters of compound
B. If a chemist wants to make 728 milliliters of the drug, how many milliliters of compound A are needed?
? milliliters of compound A
In order to create 728 millilitres of the medication, 273 millilitres of component A are required.
What do you mean by compound?A compound in chemistry is a material comprised of two or more separate chemical elements mixed together in a certain proportion. Chemical connections that are challenging to break are created when the elements interact with one another.
Compound A:Compound B ratio in the medication is 3:5. In other words, there are 3 millilitres of compound A and 5 millilitres of compound B for every 3+5=8 millilitres of the medicine.
We may set up a percentage using the ratio of compound A to the total volume of the medicine to determine how much compound A is required to make 728 millilitres of the drug:
3 ml x 3 ml x 3 ml
-------- = ----------
728 ml total, 8 ml overall
If we cross-multiply, we obtain:
8(x) = 3(728)
To find x, we use the formula x = 3(728)/8 = 273
In order to create 728 millilitres of the medication, 273 millilitres of component A are required.
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273 milliliters of compound A are needed to make 728 milliliters of the drug.
What are proportions?
In mathematics, a proportion is a statement that two ratios are equal. It expresses the relationship between two or more quantities that are directly proportional to each other. A proportion can be represented as an equation of the form:
a/b = c/d
To determine the amount of compound A needed to make 728 milliliters of the drug, we need to use the given ratio of 3 milliliters of compound A to 5 milliliters of compound B.
Let's start by finding the ratio of compound A to the total amount of ingredients (A+B) in the drug:
3 : (3+5) or 3:8
This means that for every 8 milliliters of the drug, 3 milliliters of compound A are used.
To find out how many milliliters of compound A are needed for 728 milliliters of the drug, we can set up a proportion:
3/8 = x/728
where x represents the amount of compound A needed.
To solve for x, we can cross-multiply:
8x = 3*728
8x = 2184
x = 273
Therefore, 273 milliliters of compound A are needed to make 728 milliliters of the drug.
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In a certain city, 80% of the residents like coffee or tea . 30% of them like coffee. 60%
percent of them like tea. What is the probability of residents like (a) both? (b) tea but not
coffee? (c) only coffee (d) neither tea nor coffee ?
Answer:
a =10% b=50% c=20% d=20%
Step-by-step explanation:
n(CuT)=n(C)+n(T)-n(CnT)
so n(CnT)=10%
for b
tea but not coffee =nonly(T)
=n(T)-n(TnC)
=50%
for c
only coffee=nonly(C)
=n(C)-n(CnT)
=20%
help i dont know what this means
The youth group is going on a trip to the state fair. The trip costs $64. Included in that price is $12 for a concert ticket and the cost of 2 passes, one for the rides and one for the game booths. Each of the passes costs the same price. Write an equation representing the cost of the trip, and determine the price of one pass. Solve your equation by showing your work and steps.
Answer:
12+26x=64
Step-by-step explanation:
64-12=52
52/2=26
$26 per pass
equation 12+26x=64
x=2 in this case x is representing the number of passes
12 is the ticket
and 64 is total cost
If these cylinders and prisms were broken into two separate groups, what would be an equivalent ratio to 8/2? i dont have much longer and btw it doesn't have a picture.
100 points?
The Equivalent ratio to 8/2 is 4/1, 24/6, 32/8 and 48/12.
We have,
Cylinder and prism.
Here we have to find the equivalent ratio to 8/2.
First simplifying the given ratio as
8/2
= (4 x 2)/2
= 4 /1
Now, some more ratios equivalent to 8/2.
1. 8/2 x 3/3 = 24/ 6
2. 8/2 x 4/4 = 32/8
3. 8/2 x 6/6= 48/12
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Si x2 = 3 a que es igual x6
Answer:
x2=3
x= 3/2
x= 1.5
x•6= 1.5•6
x=9
Calculator What is the area of a sector with a central angle of 144° and a radius of 11 cm? Use 3.14 for π and round your final answer to the nearest hundredth. Enter your answer as a decimal in the box. cm² K
Rounding to the nearest hundredth, the area is approximately 151.976 cm².
The formula for the area of a sector is:
A = (θ/360) x πr²
where θ is the central angle in degrees, r is the radius, and π is pi (3.14).
Plugging in the given values, we get:
A = (144/360) x 3.14 x 11^2
A = 0.4 x 3.14 x 121
A = 151.976
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Does anyone know this answer??
Approximately 99.7% of scores lie in the shaded region.
We have,
The empirical rule, also known as the 68-95-99.7 rule, provides an estimate of the percentage of scores that lie within a certain number of standard deviations from the mean in a normal distribution.
According to this rule:
Approximately 68% of scores lie within 1 standard deviation of the mean.
Approximately 95% of scores lie within 2 standard deviations of the mean.
Approximately 99.7% of scores lie within 3 standard deviations of the mean.
Now,
In the given scenario, the shaded region represents the area between -2 and 3 standard deviations from the mean on the x-axis.
This encompasses the area within 3 standard deviations of the mean.
And,
Since 99.7% of scores lie within 3 standard deviations of the mean, we can estimate that approximately 99.7% of scores lie in the shaded region.
Therefore,
Approximately 99.7% of scores lie in the shaded region.
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Just please help im desperate( 3 different questions)
Answer:
7. what are the fold down options for this question exactly?
1. C and E
3. B and D
Step-by-step explanation:
7.
1. function 1 has a slope of 2/3 and function 2 has a slope of 3 so they are both positive rates of change, and the y intercept (the value that y has when it passes through x = 0) for function 1 is -6 while the y intercept for function 2 is -3.
3. K has a y intercept of 8 compared to the 3 that J has, and J has a slope of 5 compared to the 3 that K has.
A gallon jug of water weighs 3.7 kg. What is the most accurate measurement for the amount of water in the jug?
70 mL
370 mL
1.85 L
3.7 L
Answer:3.7
Step-by-step explanation:
I had this on a quiz
The most accurate measurement for the amount of water in the jug is 3.7 L.
What is amount?Amount is a term used to describe the quantity or magnitude of money, goods, services, securities, or other assets. It is typically measured in terms of currency (dollars, euros, etc.), but it can also be measured in terms of units of account (such as points, credits, or tokens). Amount is an important concept in economics, finance, and accounting, and is essential for understanding the dynamics of the financial system. The total amount of money in circulation, for example, affects the rate of inflation and the level of economic activity.
3.7 kg is equal to 3,700 grams.
Since 1 liter of water is equal to 1,000 grams, 3,700 grams of water is equal to 3.7 liters.
Therefore, the most accurate measurement for the amount of water in the jug is 3.7 L.
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5. You buy a boat for $35,000 that * 10 points
depreciates in value at about 17%
per year. How much will it be worth
in 3 years?
Your answer
Answer:
9000
Step-by-step explanation:
A book claims that more hockey players are born in January through March than in October through December. The following data show the number of players selected in a draft of new players for a hockey league according to their birth month. Is there evidence to suggest that hockey players' birthdates are not uniformly distributed throughout the year? Use the level of significance α= 0.05.
Birth Month Frequency
January-March 67
April-June 56
July-September 30
October-December 37
What are the null and alternative hypotheses?
Answer:
\(\chi^2 = \frac{(67-47.5)^2}{47.5}+\frac{(56-47.5)^2}{47.5}+\frac{(30-47.5)^2}{47.5}+\frac{(37-47.5)^2}{47.5}=18.295\)
Now we can calculate the degrees of freedom for the statistic given by:
\(df=(categories-1)=4-1=3\)
And we can calculate the p value given by:
\(p_v = P(\chi^2_{3} >18.295)=0.00038\)
Since the p value is very low we have enough evidence to reject the null hypothesis and we can conclude that the players' birthdates are not uniformly distributed throughout the year
Step-by-step explanation:
We need to conduct a chi square test in order to check the following hypothesis:
H0: There is no difference of birthdates distributed throughout the year
H1: There is a difference between birthdates distributed throughout the year
The level of significance assumed for this case is \(\alpha=0.05\)
The statistic to check the hypothesis is given by:
\(\sum_{i=1}^n \frac{(O_i -E_i)^2}{E_i}\)
The table given represent the observed values, we just need to calculate the expected values with the following formula \(E_i = \frac{total}{4}\)
And replacing we got:
\(E_{1} =\frac{67+56+30+37}{4}=47.5\)
And now we can calculate the statistic:
\(\chi^2 = \frac{(67-47.5)^2}{47.5}+\frac{(56-47.5)^2}{47.5}+\frac{(30-47.5)^2}{47.5}+\frac{(37-47.5)^2}{47.5}=18.295\)
Now we can calculate the degrees of freedom for the statistic given by:
\(df=(categories-1)=4-1=3\)
And we can calculate the p value given by:
\(p_v = P(\chi^2_{3} >18.295)=0.00038\)
Since the p value is very low we have enough evidence to reject the null hypothesis and we can conclude that the players' birthdates are not uniformly distributed throughout the year
he entire graph of the function is shown in the figure below.
Write the domain and range of using interval notation.
Someone please help me. I really nee help. this question is due tonight before 8 and im stuck.
The given graph shows that the function is periodic and fluctuates between y = -2 and y = 2. So, the range of the function is [-2,2].
The graph covers one period, which is from x = -3 to x = 3, and then repeats itself indefinitely in both directions. So, the domain of the function is (-∞, ∞).
In general, the domain of a function consists of all the possible input values that the function can take. In this case, since the function repeats itself indefinitely, it can take any input value from negative infinity to positive infinity.
So, the domain is (-∞, ∞). The range of a function, on the other hand, consists of all the possible output values that the function can produce.
In this case, the function oscillates between y = -2 and y = 2, so the range is [-2,2]. The interval notation for the domain is (-∞, ∞) and for the range is [-2,2].
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Convert the following repeating Decimals to fractions
030303….
100100100100…….
333333…..
Step-by-step explanation:
1. 0.030303......*100
=3.0303....
\(3.0303..... - 0.030303.... = 3\)
\( \frac{99 \times 0.030303}{99} = \frac{3}{99} \)
\(0.030303 = \frac{1}{33} \)
This is the explination
2.
\( = \frac{1}{3} \)
Complete the function table
A bookstore had 60 copies of a magazine. Yesterday, it sold 1/3 of them. Today, it sold 1/4 of what remained. How many copies does the bookstore have left?
Answer:
30
Step-by-step explanation:
1/3 of 60 is 20
40 would be left
1/4 of 40 is 10 so 30 would be left
Find the axis of symmetry of the parabola y=2x^2+4x-1
Answer:22
Step-by-step explanation:
Add
Multiply
Divide
Toula owns the Pita Pan restaurant. She needs to order supplies for the upcoming weekend rush. She needs 150 bags of pita bread. The bread come in crates of 50, and each crate costs $15.00. She also needs 65 containers of hummus dip. There are 5 containers in a box, and each box costs $20.00 What expressions can Toula use to determine how much the pita bread and hummus dips will cost? What will the total be?
The total cost of the pita bread and hummus dips will be $305.00.
To determine the cost of the pita bread and hummus dips, Toula can use the following expressions:
Cost of pita bread:
Number of crates needed = (150 bags) / (50 bags/crate) = 3 crates
Cost of each crate = $15.00
Total cost of pita bread = (Number of crates needed) × (Cost of each crate) = 3 crates × $15.00/crate = $45.00
Cost of hummus dips:
Number of boxes needed = (65 containers) / (5 containers/box) = 13 boxes
Cost of each box = $20.00
Total cost of hummus dips = (Number of boxes needed) × (Cost of each box) = 13 boxes × $20.00/box = $260.00
Therefore, the expressions Toula can use to determine the costs are:
Cost of pita bread = 3 crates × $15.00/crate
Cost of hummus dips = 13 boxes × $20.00/box
The total cost will be the sum of the costs of pita bread and hummus dips:
Total cost = Cost of pita bread + Cost of hummus dips
Total cost = $45.00 + $260.00
Total cost = $305.00
Therefore, the total cost of the pita bread and hummus dips will be $305.00.
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!!!NEED HELP ASAP, 40 POINTS!!!
If f(x)= x/2 and g(x) = 2x^2, find (f+g)(x)
A. 2x^3 + 3/2x+1
B. 2x^2 + 3/2x-5
C. x^2-6
D. 2x^2 + x/2+1
Answer:
B
Step-by-step explanation:
We have the two functions:
\(f(x)=\frac{x}{2}-2\text{ and } g(x)=2x^2+x-3\)
And we want to find:
\((f+g)(x)\)
This is the same thing as:
\(=f(x)+g(x)\)
Let's substitute them for their respective equations. This yields:
\(=(\frac{x}{2}-2})+(2x^2+x-3)\)
Combine like terms:
\(=(2x^2)+(\frac{x}{2}+x)+(-2-3)\)
Add:
\(=2x^2+\frac{3}{2}x-5\)
So, our answer is B.
And we're done!
You and your friend's choice to take a bus back home, each 2 miles you have to pay 60 cents, write this in an Equation
Answer:
Step-by-step explanation:
Let x be the number of miles you and your friend travel.We know that the cost of the bus ride is 60 cents per mile, so the total cost of the trip is 60 * x.This can be written as an equation as follows:Cost = 60 * xOr, more simply:Cost = 60xThis equation represents the relationship between the number of miles you and your friend travel and the cost of the trip. As the number of miles increases, the cost of the trip also increases at a rate of 60 cents per mile.