The option that best describes how the teacher likely came to this conclusion is that:
The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.What is observational study?An observational study is known to be a kind of study where a researcher do observes the subjects without having any form of interference with them.
Here, the researcher is said to have no control over any of the treatments that is used on the subjects. All the have to do is observe and record their findings.
See options below
A. The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.
B. The teacher conducted a sample survey by asking students if they completed their review worksheets and if they think they did well on the test.
C. The teacher performed a controlled experiment in which one group of students decided not to complete their review worksheets and the other group decided to complete their review worksheets.
D. The teacher performed a random experiment in which the test scores of one group of students would be higher and the test scores of the other group would be lower.
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The object will have a minimum gravitational potential energy at point
A food worker needs to thaw a package of chicken wings
Answer:
When the frozen chicken is thawed, it should be placed in the refrigerator. The frosted chicken should be placed in a zip-lock bag
The frozen chicken is thawed, it needs to be kept in a refrigerator and the frosted chicken should be placed into a ziplock bag.
What does defrost means ?The deforst or thaw is a piece of snow or ice that is used by the food worker for making and keeping the food items intact and for this they need to be kept in a refrigerator for some time so that they can be processed and hence are stored at certain temperatures. Thus later on moved into a zip bag.
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What is the exact volume of the sphere? 2481. 156π cm³ 7263. 39π cm³ 7790. 83π cm³ 22807. 05π cm³
Explanation and Answer:
The volume of a Sphere in terms of radius
V=43πr3
V≈4.1888r3
in terms of surface area
V=A3/26π−−√
V≈0.09403A3/2
in terms of circumference
V=C36π2
V≈0.01689C3
In which one of the following situations will there be an increase in kinetic energy?
The situation that will result to an increase in kinetic energy is when a ball starts from rest and freely rolls downhill.
What is a kinetic energy?A kinetic energy refers to an energy generated by an object as a result of the its motion.
When a ball starts from rest and freely rolls downhill, its generates an energy from its free motion.
Therefore, the Option B is correct.
Missing options "A) A projectile approaches its maximum height, B) A ball starts from rest and freely rolls downhill, C) A box is pulled across a rough floor at constant speed, D) A satellite travels in a circular orbit around the earth at fixed altitude, E) A stone at the end of a string is whirled in a horizontal circle at constant speed."
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You get a $60,000 loan for a new dump truck. With the truck, you can generate $500 more business each week at 80% margin. Your interest rate on the loan is 8. 6%. Does the additional margin generated cover the interest payments?
Assuming your interest rate on the loan is 8. 6%. The additional margin generated will cover the interest payments.
Additional margin
Let determine the weekly interest
Weekly interest= 8.6% /12 x 60,000
Weekly interest= $99.23
Let calculate the amount left since the business generates $500 at a margin of 80
Amount left= 500 x 80%
Amount left= $400
Based on the above calculation we can see that the amount of $400 is sufficient enough to cover the $99.23 payments.
Inconclusion the additional margin generated cover the interest payments.
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Nucleophilicity is a kinetic property. A higher nucleophilicity indicates that the nucleophile will easily donate its electrons to the electrophile and that the reaction will occur at the faster rate. The reaction rate also depends on the nature of the electrophile and solvent. Rank the following reactions from fastest to slowest based on the nucleophilicity of the nucleophile
From the fastest to the slowest based on the nucleophilicity of the nucleophiles, the order is represented as:
[tex]\mathbf{(CH_3)_2N^- +CH_3 -Br \to (CH_3)_2NCH_3+Br^- \ }\\ \\ \\ \mathbf{CH_3NH^- +CH_3 -Br \to CH_3NHCH_3+Br^- \ } \\ \\ \\ \mathbf{H_3N^- +CH_3 -Br \to CH_3NH_2 + Br^- \ }[/tex]
What are Nucleophilic functional groups?Nucleophilic functional groups include electron-rich atoms capable of donating an electron pair in order to establish a new chemical covalent bond. The most frequent nucleophilic functional groups are:
Water, Alcohols, Phenols, Amines, Thiols, etcThe protonation state of these functional groups has an effect on their nucleophilicity. Also, the trend of nucleophilicity goes from:
Tertiary,Secondary, PrimaryThe following reactions that we are supposed to find their order is given as follows:
[tex]\mathbf{CH_3NH^- +CH_3 -Br \to CH_3NHCH_3+Br^-} \\ \\ \\ \mathbf{(CH_3)_2N^- +CH_3 -Br \to (CH_3)_2NCH_3+Br^-} \\ \\ \\ \mathbf{H_3N^- +CH_3 -Br \to CH_3NH_2 + Br^-}[/tex]
From the fastest trend of the nucleophilicity of the nucleophile to the slowest, the correct arrangement is as follows:
[tex]\mathbf{(CH_3)_2N^- +CH_3 -Br \to (CH_3)_2NCH_3+Br^- \ \ \ ---(2'' \ ^0) \ \\}\\ \\ \\ \mathbf{CH_3NH^- +CH_3 -Br \to CH_3NHCH_3+Br^- \ \ \ \ ---(1^0) } \\ \\ \\ \mathbf{H_3N^- +CH_3 -Br \to CH_3NH_2 + Br^- \ \ \ --- \ \ \ \ (1^0)}[/tex]
The first reaction has two functional groups of methyl (-CH_3) attached to it which increases its nucleophilicity to the second one which has one methyl functional group attached to it.
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How many carbon atoms are there in 52. 06 g of carbon dioxide?
Answer:
9.033 x 1023 atoms of carbon.
Explanation:
Hope this helped you,
1.5 mole of C = 6.022 x 102 x 1.5 this equals
9.033 x 1023 atoms of carbon.
Our school starts at 10 o'clock change into when question
Trait theorists are generally more interested in __________ rather than __________. please select the best answer from the choices provided assessing abnormal behavior. . . explaining why behavior occurs explaining why behavior occurs . . . predicting behavioral patterns assessing abnormal behavior . . . describing patterns of behavior describing patterns of behavior . . . explaining why behavior occurs
Trait theorists are generally more interested in explaining why behavior occurs rather than predicting behavioral patterns.
What is Trait theorists?Trait theorists serves as one that focus on the behavior as well as how the behavioroccurred.
Therefore it is more on behavioral patterns which focus on the attitude of individuals.
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Answer:
explaining why behavior occurs.... . predicting behavioral patterns
Explanation:
yea
Missy diwater, the former platform diver for the ringling brothers’ circus had a kinetic energy of 15,000j just prior to hitting the bucket of water. If missy’s mass is 50kg, the what was her velocity?
Answer:Missy's kinetic energy just before hitting the bucket of water is given by
where m is Missy's mass and v her speed. Since we know the value of the kinetic energy, K=15000 J and the mass, m=50 kg, we can find Missy's speed before hitting the water bucket:
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Explanation:
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The explicit rule for a sequence is given. An=12(43)n−1 enter the recursive rule for the geometric sequence
Answer:
a1=1/2 an=4/3 x an−1
Explanation:
Big ideas math: record and practice journal (blue) answers
A conditional statement, symbolized by p → q, can be written as an “if-then
statement” in which p is the hypothesis and q is the conclusion. Here is an example.
hypothesis, conclusion,
If a polygon is a triangle, then the sum of its angle measures is 180 .
p q
°
What property justifies the statement ""any real number is always equal to itself.""?
The property that justifies the statement "any real number is always equal to itself." is; Reflexive Property
What is reflexive property?In algebra, the reflexive property of equality is a property of algebra which states that a number is always equal to itself. Thus, if x is a number, then. x = x.
Reflexive properties are also used even in congruency theorems and similarity theorems of triangles.
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Which stage is the last stage of speciation? question 5 options: the populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring. The populations successfully interbreed. The populations become totally separated from one another. The populations are isolated and thus do not interbreed
Answer:
D) The population become adapted to different environments and eventually becomes so different that they cannot interbreed to produce fertile offspring.
Explanation:
Speciation is divided into three stages:
a) Separation.
b) Adaptation.
c) Reproductive Isolation.
Stage 1: Separation.
A part of the population separates and adapts to a new environment. Natural events such as tsunamis, tidal waves can cause organisms to separate from their initial habitat to a new environment.
Stage 2: Adaptation.
At this stage, the organisms evolve new traits that enable them to a new environment. They possess certain characteristics that enable them to fit into the new environment. Example The great white skin's color makes it difficult for it to be seen in the dark.
Stage 3: Reproductive Isolation.
At this stage, organisms of the same species reunite and do not interbreed. Here, species are isolated into new ones so they have the best adaptations for their new habitat.
The process of labelling deviants is also known as
Answer:
Labeling theory.
meaning: Labeling theory is an approach in the sociology of deviance that focuses on the ways in which the agents of social control attach stigmatizing stereotypes to particular groups, and the ways in which the stigmatized change their behavior once labeled.
brainliest would be appreciated!
How do you speak to your female friends and how do you speak to your male friends
Answer:
Walk up to em and start giving information abt yo self denn get yo know em more
The upper limit of the zone of saturation is known as
The half life of a radioactive substance is 15 years
Message left on voicemail: "hi nikki! just landed at the airport. How about dinner this evening if you're available. Call me!" which of the following characteristics of useful information is absent in the situation described above?
Answer:
Option C
Explanation:
Options:
A) relevant
B) reliable
C) complete
D) timely
E) understandable
F) verifiable
G) accessible
Your answer is option C or "complete." The person who is messaging Nikki did not complete the voicemail. She didn't tell Nikki where to meet for dinner or at what time she just said this evening which gives Nikki no information on when and where to meet this person for dinner. This is a incomplete voicemail which means one of the important characteristics of useful information missing from this voicemail is the complete voicemail for Nikki.
Hope this helps.
Which measure of center should you use to describe two data sets that are both not symmetric?
An istrument use to transfer measurements is called
Divider, instrument for measuring, transferring, or marking off distances, consisting of two straight adjustable legs hinged together and ending in sharp points. (got the answer from google hehe)
Answer:
divider is used to transfer instrument ...........!! ♥♥hope it helps u
Write down an expression for the range of k consecutive integers
Micah is 1 of 28 students in a class. Micah's teacher is going to randomly select 3 students from their class to
visit a classroom of younger students.
What is the probability Micah is included in the group of students chosen?
Answer:
10.71%
The probability of her getting picked is unlikely :)
Explanation:
3/28 = 10.71%
The probability of her getting picked is unlikely
Have an amazing day!!
Please rate and mark brainliest!!
Note that the probability that Micah is included in the group of students chosen is approximately 0.000305, or about 0.03%.
How to compute the above probabilityMicah's probability of being included in the group of students chosen can be calculated using combinations. There are a total of 28 students in the class, and the teacher is selecting 3 students.
The probability of Micah being chosen can be calculated as:
Probability = (Number of favorable outcomes) / (Total number of possible outcomes)
Number of favorable outcomes = 1 (Micah being selected)
Total number of possible outcomes = Number of ways to choose 3 students out of 28 = C(28, 3) = 3276
Probability = 1 / 3276
≈ 0.000305
So, the probability that Micah is included in the group of students chosen is approximately 0.000305, or about 0.03%.
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Which factors caused civil unrest in the 1960's? choose all answers that are correct
you didn't provide any options
Answer:
A) Americans no longer supported the Vietnam War.
C) Women were paid less than men for doing the same job.
D) Black citizens were still fighting against discrimination.
Explanation:
I took the test and got 100%. I hope I helped! Please mark this answer as brainliest!
In peas, purple flowers are dominant over white flowers. If two heterozygotes are crossed, what fraction of the population will have white flowers?
The fraction of the population will have white flowers after the crossing of the heterozygotes is; 1/2
What is the result of the heterozygote crossing?P = purple gene
p = white gene
Punnet squares shows the possible genotypes and probabilities of each genotype in the offspring of a cross:
Purple flower genotype (heterozygous) = Pp
White flower genotype = pp
Potential genotypes for offspring are Pp and pp;
According to the Punnett square, 2 of 4 offspring will have the Pp genotype and the other 2 will have pp genotypes;
This means 2 should be purple and 2 white which translates to the fact that there is a 50% chance of having either genotype, of being purple or white.
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Why does the speaker in "the tropics in new york" weep at the end of the poem? question 1 options: he is hungry and cannot buy fruit to eat. He has lost his belief in religion. He is overwhelmed with nostalgia for the home of his past. He has lost his vision and cannot see clearly
The speaker in "the tropics in New York" weep at the end of the poem because He is overwhelmed with nostalgia for the home of his past.
Why does the speaker in the tropics in New York weep?In "The Tropics in New York," is known to be a poem that tells about the memories of the speaker.
The reason why I think the speaker weeps is that The poet is trying to remembering her homeland and as such, he weeps because she misses it.
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Answer:
HE IS OVERWHELMED WITH NOSTALGIA FOR THE HOME OF HIS PAST
Explanation:
I HOPE THIS HELPS
What is another word that can be used to describe "homeostasis"?
Write a note to your pen pal about the kinds of music you like best. In addition, write about any instruments you might play. Be sure you use at least 5-6 complete spanish sentences in your response. You will be graded on (a) appropriateness of your response, (b) correct verb usage, (c) vocabulary usage and (d) overall quality of your response
Answer:
u can play the drums?
Explanation:
bc u can make drums out of anythig in the olden days
Chanel deposited $1175 into a savings account that pays a simple annual interest rate of 1. 45%. How much interest will she earn after 4 years?
Answer:
2.45%
Explanation:
over 4 years
By applying the strategy of containment, the united states hoped to prevent the
By applying the containment strategy, the United States' objective was to prevent the expansion of the Soviet Union's influence in the world.
What is the containment strategy?It can be understood as a foreign policy strategy to prevent the spread of the communist system, being the policy that guided the Cold war, which took place between the USA and the USSR after the end of the second world war.
Therefore, the containment strategy is a foreign policy that aimed to influence the allies to prevent the strengthening of communism.
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