Answer:
in the pic below!!
Step-by-step explanation:
Answer:
thats a lot of words
Step-by-step explanation:
Classify this pair of events: A flavor of ice cream is selected at random; A
topping for the ice cream is selected at random.
A. independent
B. dependent
A A flavor of ice cream is selected at random; A topping for the ice cream is selected at random. This is B. dependent events.
What are dependent event?Events that are dependent upon prior events are called dependent events. The results of earlier events have an impact on these current ones. For example, two or more events that are interdependent are referred to as dependent events.
If one event is accidentally altered, another is probably going to be different.
If two events are interdependent, then the result of the first event will influence the result of the second even more.
The ice cream in this case represented dependent event.
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Team B played three games and had an average of 13 hits in each game with 100 official at-bats. Three of the hits were home runs. What was the team's batting average for the tournament? (Note: "batting average" is the average number of hits per official at-bat. It is expressed as a decimal.)
.39
Pls mark brainliest!:)
a submarine is 50 meter below sea levl. it goes up 15 meters, then goes down 40 meters. what is the submarine' new position relative to sea level ? 1. ( -105 meters) 2. ( -75meters) 3.( -35 meters) 4. ( 25 meters)
Answer:
-75 meters
Step-by-step explanation:
First, subtract 15 from 50, since it is going up:
50 - 15
= 35
Then, add 40, since it is going back down:
35 + 40
= 75
So, the new position is -75 meters relative to sea level
First condition of submarine=50 m below the sea=-50 m
It goes up 15 m, that means we must add up 15 m.
-50 m+15 m=
15 m-50 m=-35 m (35 m below the sea)
And, then goes down 40 m, so we subtract it with 40 m.
-35 m-40 m=-75 m (75 m below the sea)
So, the right answer is 2. (-75 meters)
Thank you.
Please help me with this thank you
Answer:
-11x² +14x -11
Step-by-step explanation:
When one polynomial is subtracted from another, each of the terms of the subtrahend is subtracted from the corresponding term of the minuend.
(-2x² +4x -10) -(9x² -10x +1)
= (-2 -9)x² +(4 -(-10))x +(-10 -1)
= -11x² +14x -11
The positions of two airplanes approaching an airport are plotted in a coordinate plane with the airport located at (0,0). The locations of the planes are
given by the coordinates (7, 2) and (-1, -8). Each grid square is 1 mile wide. How far apart are the approaching airplanes? Round your answer to the
nearest tenth of a mile.
Answer:
12.8 miles
Step-by-step explanation:
The distance is given by the distance formula:
d = √((x2 -x1)^2 +(y2 -y1)^2)
d = √((-1 -7)^2 +(-8-2)^2) = √((-8)^2 +(-10)^2) = √(64 +100)
d = √164 ≈ 12.8
The planes are about 12.8 miles apart.
Answer: incorret
Step-by-step explanatioTo calculate the distance (d) use the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (- 5, 0) and (x₂, y₂ ) = (0, - 5)
d =
=
= = = = 5 ← exact value
He is Incorrect
n:
Plane AXS intersects with which planes? More than 1 answer.
Answer:
Options A and Option B
Step-by-step explanation:
All four sides AX, IX, IS and AS of the base are common in the four side walls of the prism.
In other words, edge AX is common in planes AXU and AXS,
Edge XI is common in planes XIB and AXS,
Edge SI is common in planes EBS and AXS,
Edge AS is common in planes CEA and AXS.
Therefore, plane AXS is intersecting planes AXU and EBS.
Options A and Option B are the correct options.
I will mark you brainiest if you can answer this
Answer:
9 buses
12 cars
(Step-by-step explanation:
x=bus x+y=21 --> y=-x+21
30x+4y=318 --> y= -30x/4 + 318/4
y=car
x= 9
y=12
:) hope this help
Find the angle measure indicated. Assume that lines which appear to be tangent are tangent.
The angle measured is 70°.
A tangent at any point of a circle is perpendicular to the radius of the circle through the point of contact.
So, the two angles made by the tangent and the point of contact of the circle tangent will be equal to 90°
Since the sum of the angles in a quadrilateral is 360°.
Therefore, 110°+90°+90°+x°= 360°
Thus, x°=70°
Hence the missing angle is 70°.
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A baseball enthusiast carried out a simple linear regression to investigate whether there is a linear relationship between the number of runs scored by a player and the number of times the player was intentionally walked. Computer output from the regression analysis is shown.
Let β represent the slope of the population regression line used to predict the number of runs scored from the number of intentional walks in the population of baseball players. A t-test for a slope of a regression line was conducted for the following hypotheses.
H0:β=0
Ha:β≠0
What is the appropriate test statistic for the test?
t = 16/2.073
t = 16/0.037
t = 0.50/0.037
t = 0.50/2.073
t = 0.50/0.63
The appropriate test statistic for the test is t = 16/0.037.
The appropriate test statistic for the test is obtained by dividing the estimated slope of the regression line (in this case, 16) by the standard error of the slope (0.037). The test statistic measures how many standard deviations the estimated slope is away from the hypothesized value of 0. By calculating the ratio of 16 divided by 0.037, we obtain the t-value, which is used to assess the significance of the estimated slope in relation to the null hypothesis.
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Let Y be a binomial random variable with parameters n and p What is the expression for the vanance of Y? Choose the correct answer below А. пр B. (1 - P)^n C. p^n D. 1 - p E. np(1 - P)
The variance of a binomial random variable Y with parameters n and p is given by np(1-p). (D)
The variance of a binomial random variable represents the spread of the data around the mean. In a binomial distribution, the mean is given by np and the variance is equal to np(1-p).
This expression states that the variance is equal to the product of the probability of success (p) times the number of trials (n), multiplied by the probability of failure (1-p).
This gives us a measure of how much the data is spread out from the mean, with a higher variance indicating a greater spread.
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do the values in this table represent a proportional relationship? x 2/4 6 8 y 1 2 3 4 yes, and the constant of proportionality is 12. yes, and the constant of proportionality is 2. no. i don't know.
Answer: No
Step-by-step explanation:
y=−2x+2
4x+2y=4
Substitute the resulting expression in the other equation
Answer:
In this section we will discuss the method of graphing an equation in two variables. In other words, we will sketch a picture of an equation in two variables.
Step-by-step explanation:
Help please I’m need help bad.
Answer:
A. 18
Step-by-step explanation:
Here the numbers are being divided by 7
so
126 / 7 = 18
Find the measure of the missing angle
38°
X
Y
The measure of angle x is 77 degrees.
How to calculate the angleWe have two angles given: 65 degrees and 38 degrees. Let's call the measure of angle x as "x".
From the information, we have the measure of the missing angle of the angles in a triangle are 38°, 65° and x. Then we can set up an equation:
x + 65 + 38 = 180 (the sum of the measures of the angles in a triangle is 180)
Simplifying this equation, we get:
x + 103 = 180
x = 77
Therefore, the measure of angle x is 77 degrees.
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Complete question
Find the measure of the missing angle of the angles in a triangle are 38°, 65° and x.
16. Hamster Heaven charges an annual fee of $20 plus $2.50 for each day of hamster
activities you attend. Hamster Fun World charges an annual fee of $35 plus $1 for each day
of hamster activities you attend. Write and solve a linear system using a method of your
choosing and explain which company you would use for your hamster and why. A graph is
included below if you would like to graph it. Make sure you identify your variables, check
your solution and write a sentence.
Answer:
hamster heaven
y=20+2.5x
hamster fun world
y=35+x
Step-by-step explanation:
by solving we get
x=10
y=45
by comparing the graph hamster fun world 8s cheaper on the long run
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what is 8% as a fratction
Answer:
8/100 or in simplest form 2/25
Step-by-step explanation:
See above.
the h3n2 human influenza virus is a type of virus abundant in the seasonal flu. the data used in this question comes from a study performed here at csu in the department of biomedical sciences. in this study, 15 ferrets were randomly assigned to either receive a vaccine (treatment) or not (control). they waited 27 days for the vaccine to take effect, and then both groups were exposed to the h3n2 virus. their weights were taken before exposure and 5 days after exposure. their maximum temperature reached during those 5 days is also recorded. one symptom of h3n2 infection is increased body temperature. an effective vaccine should mitigate this symptom. the variables in this data set are:
The H3N2 human influenza virus is a type of virus abundant in the seasonal flu. In the study conducted at CSU in the Department of Biomedical Sciences, 15 ferrets were randomly assigned to either receive a vaccine (treatment) or not (control).
After 27 days, both groups were exposed to the H3N2 virus, and their weights were recorded before exposure and 5 days after exposure. Additionally, their maximum temperature reached during those 5 days was recorded. An effective vaccine should mitigate the symptom of increased body temperature, which is associated with H3N2 infection.
The variables in this data set include the ferrets' weight, maximum temperature reached, and treatment status (vaccine or control).
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In the car lot, 4/12 of the cars are white and 3/12 of the ca
rs are blue. what fraction of the cars in the lot are either white or white?
What is 60,000+3,000+20+9 in standard form?
60,000 + 3,000 + 20 + 9
= 63,000 + 29
= 63,029.
Answer: 63,029
Hope this helps have A wonderful Christmas
Step-by-step explanation:
On the coordinate plan below, what is the length of AB?
On Monday ,bo saw 1/5 of birds listed in his guidebook. on Tuesday he saw 3/5 more of birds. what fraction of the birds in the guidebook did bo see in those two days ?
Answer:
4/5Step-by-step explanation:
That would be 1/5 + 3/5 which equals (1+3)/5 = 4/5
Which Venn Diagram correctly describes the relationship between set R and set W , where set R ={all Real numbers} and set W ={Whole numbers}?
Answer:
I think it is B
Step-by-step explanation:
Because the real numbers are bigger
The correct option is Option B.
Venn diagrams are given which shows relationship between set R and W.
We have to find that which correct describes the relationship between set R and W.
What are whole numbers and real numbers ?
Whole numbers are made up of natural numbers like 1, 2, 3, and 4 also including 0. Whereas real numbers are made up of rational and irrational numbers.
As per the definition ,
Set of whole numbers will be , {W} = { 0,1,2,3,4, . . . . . . }
Set of real numbers will be ; {R} = {- ∞ , . . . . . . . . , + ∞ }
If we take intersection of set we get that ; real numbers include all whole numbers.
Thus , correct option is Option B.
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Determine whether or not the following variable is a rank and give the units. Student ratings of a course on a 5-point Likert scale
B. The ratings are not ranks and have no units
C. The ratings are not ranks and the units are Likerts
D. The ratings are ranks and have no units
C. The ratings are not ranks and the units are Likerts.
In the context of student ratings of a course on a 5-point Likert scale, let's analyze the options further:
A. The ratings are ranks and have no units: In a ranking system, the responses would be ordered or ranked in a specific sequence. For example, if the students were asked to rank the course from best to worst, their responses would be assigned specific positions or ranks. However, in a Likert scale, the responses are not based on relative ranking but rather on levels of agreement or disagreement. Therefore, the ratings in this case are not ranks.
B. The ratings are not ranks and have no units: This option is accurate. The responses on a Likert scale do not represent ranks because they do not indicate a specific ordering or hierarchy. Each response on the 5-point Likert scale represents a different level of agreement or disagreement, rather than a rank.
C. The ratings are not ranks and the units are Likerts: This option is the most appropriate choice. Likert scales use response categories (e.g., strongly agree, agree, neutral, disagree, strongly disagree) instead of ranks. The units associated with this variable would be "Likerts" to indicate the scale used.
D. The ratings are ranks and have no units: This option is not applicable since the ratings on a 5-point Likert scale are not considered ranks.
Therefore, option C is the correct answer. The ratings on a 5-point Likert scale are not ranks, and the units associated with this variable are "Likerts" to represent the scale used.
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Solve 8(y−3)=−48 . Show your work.
Answer:
y = - 3
Step-by-step explanation:
Given
8(y - 3) = - 48 ( divide both sides by 8 )
y - 3 = - 6 ( add 3 to both sides )
y = - 3
If most or all of the exposure units in a certain class simultaneously incur a loss, then the pooling technique will decrease expected loss of standard deviation the most .
Group of answer choices
True
False
True. If most or all of the exposure units in a certain class simultaneously incur a loss, the pooling technique will decrease the expected loss or standard deviation the most.
The pooling technique involves combining multiple exposure units into a single pool or group. When a certain class of exposure units, such as insurance policies or investment portfolios, experiences losses simultaneously, pooling can be advantageous.
In this scenario, the losses are spread across the entire pool, reducing the impact on individual units and decreasing the overall expected loss or standard deviation. By pooling the exposures, the losses are effectively shared among the units, resulting in a more balanced distribution of risk.
This pooling technique helps to mitigate the impact of catastrophic events or large-scale losses that could otherwise have a significant negative impact on individual units. The diversification achieved through pooling can lead to a decrease in the expected loss, as well as a reduction in the standard deviation, which measures the variability of losses.
Therefore, when most or all of the exposure units in a certain class incur a loss simultaneously, the pooling technique proves to be effective in decreasing the expected loss or standard deviation to a greater extent. This highlights the importance of risk management strategies that involve pooling to mitigate the impact of adverse events.
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Solve this equation. Explain or show your WORK. 6(x - 7)= 2x + x + 9
Answer:
x = 17Step-by-step explanation:
6(x - 7)= 2x + x + 96x - 42 = 3x + 96x - 3x = 9 + 423x = 51x = 51/3x = 1732 divided by 64 rounded to the neares 100
Answer:
.50
Step-by-step explanation:
32/64=.5. Since it is asking for the 100th place, you would add a decimal at the end.
Answer:
50
Step-by-step explanation:
so first do 32 divided by 64 then round it to the nearest 100.
Lowest common multiple of 1000 and 180
Hey there!
1,000:
= 2 × 2 × 2 × 5 × 5 × 5
= 4 × 2 × 5 × 5 × 5
= 8 × 5 × 5 × 5
= 40 × 25
= 1,000
180:
= 2 × 2 × 3 × 3 × 5
= 4 × 3 × 3 × 5
= 12 × 15
= 180
LOOKING FOR THE LCM (Lowest Common Multiple)
(1,000 × 180) ÷ 20
= 180,000 ÷ 20
= 9,000
[Answer: 9,000]
Good luck on your assignment and enjoy your day!
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Wallace writes the number 72,204 in a
place-value chart. Select the places that
will be filled on the chart.
Ones
Tens
Thousands
Ten thousands
Hundred thousands
Can anyone help
looks like the answer C. Thousands.
In the number 72,204 the ones, tens, thousand, and ten thousand will be 4,0,2, and 7 respectively.
What are digits?In a positional numeral system, a numerical digit is a single sign that can be used singly or in combination to represent numbers.
A digit is a part of a set that, when combined, makes up a numeration system.
For example 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 are digits.
The place value of a general abcd digit is given by
d = ones
c = tens
b = hundreds
a = thousands
So,
In the given number 72,204
4 = ones
0 = tens
2 = hundreds
2 = thousands
7 = hundred thousand
Hence "In the number 72,204 the ones, tens, thousand, and ten thousand will be 4,0,2, and 7 respectively".
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Doubling the size of the sample will a. double the standard error of the mean b. have no effect on the standard error of the mean c. reduce the standard error of the mean to approximately 70% of its current value d. reduce the standard error of the mean to one-half its current value
Using the Central Limit Theorem, it is found that the correct option regarding the standard error of the mean is given by:
c. reduce the standard error of the mean to approximately 70% of its current value.
What does the Central Limit Theorem states about the standard error of the mean?By the Central Limit Theorem, the sampling distribution of sample means of size n has standard error \(s = \frac{\sigma}{\sqrt{n}}\).
Doubling n, we have that:
\(s_d = \frac{\sigma}{\sqrt{2n}} = \frac{1}{\sqrt{2}}\left(\frac{\sigma}{\sqrt{n}}\right) = 0.7\left(\frac{\sigma}{\sqrt{n}}\right) = 0.7s\)
Hence option C is correct.
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