Questions and answers by

Mimi

Questions (304)

Is freezing an endothermic or exothermic process? How do you know?(1 point) Responses Freezing is exothermic because as water
1. 1 answer
2. 8 views
Use the sentence to answer the question. The words of our company’s president say it all “We either change with the times or
1. 1 answer
2. 10 views
Which sentence uses a semicolon correctly to connect two closely related clauses?(1 point) Responses Some people choose to climb
1. 1 answer
2. 9 views
Which sentence correctly uses a comma?(1 point) Responses In the future I hope, you will try to be more responsible. In the
1. 1 answer
2. 12 views
From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16
1. 1 answer
2. 34 views
Which of the following molecules shows two atoms of hydrogen (H)?(1 point)Responses H2SO4 cap h sub 2 cap s cap o sub 4 HO2 cap
1. 1 answer
2. 18 views
What does the Law of Conservation of Mass say about a chemical reaction?(1 point)Responses Mass increases as atoms are
1. 1 answer
2. 19 views
Use the image to answer the question.A number line ranges from 1 to 13 in increments of 1. A closed point is plotted at 10, with
1. 1 answer
2. 20 views
Use the image to answer the question.A number line ranges from negative 10 to 2 in increments of 1. Two open points are plotted
1. 1 answer
2. 17 views
Use the image to answer the question.A number line ranges from negative 5 to 5 in increments of 1. An open point is plotted at
1. 1 answer
2. 13 views
Determine the solution set of −3x+7=10 or 3x−9=0 .(1 point)Responses The solution set is null. The solution set is null.
1. 1 answer
2. 12 views
Determine the solution set of 2x>−8 and −5x+7=12 .(1 point)Responses {x|x>−4} left brace x vertical bar x greater than
1. 1 answer
2. 25 views
Use the image to answer the question.A number line ranges from negative 3 to 8 in increments of 1. Two closed points are plotted
1. 1 answer
2. 17 views
Use the image to answer the question.A number line extends from negative 5 to 5 in increments of 1. To indicate the solution for
1. 1 answer
2. 13 views
Use the image to answer the question.A number line ranges from negative 5 to 5 in increments of 1. An open point is plotted at
1. 1 answer
2. 52 views
What is the solution set of 2x − 3 = 5 and 5x + 3 > −12
1. 1 answer
2. 13 views
What is the solution set of x + 2 ≥ 6 and 3x ≥ 6 ?
1. 1 answer
2. 12 views
What is the solution set of x+2≥6 and 3x≥6 ?(1 point){x|x__}
1. 1 answer
2. 15 views
What is a participial phrase?(1 point)Responses a set of two or more words that together function like a noun a set of two or
1. 1 answer
2. 19 views
Which sentence contains both an adjectival phrase and an adverbial phrase?(1 point)Responses She shook her head back and forth
1. 1 answer
2. 29 views
Use the sentence to answer the question.The fox jumped over my lazy dog to reach the henhouse, and now some of my chickens have
1. 1 answer
2. 24 views
Which sentence contains both a noun phrase and a verb phrase?(1 point)Responses You can find frogs and insects by the pond if
1. 3 answers
2. 23 views
Graph x>11 .(1 point)Responses A) A number line ranges from 5 to 15 in increments of 1. An open point is plotted at 11. An arrow
1. 1 answer
2. 18 views
Graph x>11 .(1 point)Responses A number line ranges from 5 to 15 in increments of 1. An open point is plotted at 11. An arrow
1. 1 answer
2. 26 views
Use the image to answer the question.A number line ranges from negative 12 to 0 in increments of 1. A closed point is plotted at
1. 1 answer
2. 14 views
Juana, Anish, and Giselle are comparing their solutions to the inequality 5/6x≤−10 . Juana says that the inequality symbol
1. 1 answer
2. 15 views
Juana, Anish, and Giselle are comparing their solutions to the inequality 56x≤−10 . Juana says that the inequality symbol
1. 1 answer
2. 20 views
What property of inequality can justify the math in Step 2?Step 1: −6(3w−7)>−66 −18w+42>−66 Step 2:
1. 1 answer
2. 14 views
What property of inequality justifies the steps shown in the following solution process?4/3d≥−20 3/4(4/3)d≥−20(3/4)
1. 1 answer
2. 19 views
Use the properties of inequality to find the solution to 5(2k−3)≥−3(4−3k).(1 point)The solution to the inequality is
1. 1 answer
2. 23 views
Solve the inequality 4/5d≤24. (1 point)The solution to the inequality is d≤ .
1. 1 answer
2. 19 views
Which of the following example demonstrates the reversibility of a chemical change?(1 point)Responses recharging batteries
1. 1 answer
2. 15 views
Which of the following happens during a chemical change but does not happen during a physical change?(1 point)Responses The mass
1. 1 answer
2. 19 views
Which of the following demonstrates a chemical change?(1 point)Responses dry ice vaporizing dry ice vaporizing sugar and water
1. 1 answer
2. 30 views
Which of the following is an example of only a physical change?(1 point)Responses the creation of table salt the creation of
1. 1 answer
2. 19 views
What does the imperative mood express?(1 point)Responses questions questions commands commands imagined situations imagined
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2. 21 views
What does the indicative mood express?(1 point)Responses causes and effects causes and effects wishes and desires wishes and
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2. 39 views
Which sentence contains a subject that is compound in form but singular in meaning?(1 point)Responses A can of frank and beans
1. 1 answer
2. 16 views
tamara, Payton, Krish, and Haruki are analyzing the solution sets to the following linear equations. Tamara says that Equation A
1. 1 answer
2. 18 views
Identify the pair of linear equations that have the same solution set.2(3g+5)−2g=2(4−g) and −36h/6=2 3(m+1)=10 and
1. 1 answer
2. 22 views
How many solutions will the equation 2/3(6m+9)−6=4m have?infinite/many solutions infinite/many solutions no solution no
1. 1 answer
2. 12 views
Which property of equality justifies the step for solving the equation that is displayed?3z/2−5=10 3z/2−5+5=10+5 3z/2=15
1. 1 answer
2. 12 views
What value is a solution to two of the equations?p/2+4=10 2=10−6h 3y−16=20 The solution set {_} is the solution to two
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2. 12 views
How many of the following equations have the solution set {5} ?2(x−3)+1=5 3b/15=1 2h−30=40 The number of equations that have
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2. 12 views
How many of the following equations have the solution set {5}? 2(x−3)+1=5 3b15=1 2h−30=40 (1 point) The number of equations
1. 1 answer
2. 23 views
Sehyr solved the equation w2−7=11. She seems to have made an error in her work because the solution she found does not work.
1. 1 answer
2. 19 views
Using the properties of equality, solve the equation 14(8−16g)+8=g.
1. 1 answer
2. 18 views
What value will make the equation 3m+5/4−3m/4=−2 true? Write your answer as a fraction.(1 point)The value for m that makes
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2. 18 views
What value will make the equation 3m+54−3m4=−2true? Write your answer as a fraction.(1 point)
1. 1 answer
2. 19 views
Use the sentences to answer the question.Mistakes were made. We will do all we can to correct them. How does the voice in these
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2. 46 views
Decide whether each describes a reason to use passive voice or active voice.(2 points)to emphasize an action passive voice or
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2. 63 views
Which sentence is in active voice?(1 point)Responses The pies were brought to the contest that morning. The pies were brought to
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2. 37 views
What is passive voice?(1 point)Responses a method of writing in which the actions are ascribed to the reader a method of writing
1. 1 answer
2. 16 views
What is active voice?(1 point)Responses a type of word that refers to physical or mental actions a type of word that refers to
1. 1 answer
2. 24 views
Which option correctly describes the values that make the inequality 2m<14true when written in set notation? Option #1: {m:m<7}
1. 1 answer
2. 38 views
Sophie, Adola, and Gilly are debating potential values in the solution set of the compound inequality −2≤2x−2<8. Sophie
1. 1 answer
2. 23 views
The solution to the inequality 4y+1>17 is y>4. Use set notation toexpress the values of y that make the inequality 4y+1>17 true
1. 1 answer
2. 15 views
The solution to the inequality 4y+1>17 is y>4. Use set notation toexpress the values of y that make the inequality 4y+1>17 true
1. 1 answer
2. 15 views
The solution to the inequality 4y+1>17is y>4 . Use set notation to express the values of y that make the inequality 4y+1>17
1. 2 answers
2. 18 views
Both −6and 6 make the equation x22=18 true. Use set notation to express these solutions. When entering your response, list
1. 1 answer
2. 19 views
Use set notation to express the value(s) that make the equation 2x=20true. Enter your response using set notation.
1. 1 answer
2. 17 views
How are sources listed in a Works Cited page?(1 point)Responses alphabetically, using either the authors’ last names or the
1. 1 answer
2. 22 views
How are in-text citations formatted in MLA style? Select the three correct answers.(2 points)Responses at the end of a sentence
1. 1 answer
2. 25 views
What does it mean to develop a topic?It means including surprising information to keep readers engaged. It means considering
1. 3 answers
2. 23 views
Use the topic and thesis statement to answer the question.Topic: The benefits of caring for a pet. Thesis statement: Taking care
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2. 22 views
Which qualities are the most important for information in an explanatory essay? Select the three correct answers.(2 points)Respo
1. 1 answer
2. 21 views
What was Rosalind Franklin, James Watson and Francis Crick’s discovery, and what did it lead to? In three to five sentences,
1. 1 answer
2. 37 views
In three to five sentences, explain how acid rain is formed and how it impacts humans.
1. 1 answer
2. 26 views
Which structure defines the hydroxyl functional group?(1 point)Responses NH2 NH 2 SH SH OH OH CH3
1. 1 answer
2. 24 views
Why is carbon so useful in molecules for living things?(1 point)Responses Carbon is produced in respiration, making it a readily
1. 1 answer
2. 27 views
An element has six valence electrons. Which ionic charge will its ion carry?(1 point)Responses 2– 2– 6– 6– 6+ 6+ 2+
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2. 31 views
Group 2 elements have two valence electrons. Which kind of bond will they most likely form, and why?(1 point)Responses A
1. 1 answer
2. 24 views
Use the periodic table to answer the question.An illustration shows the periodic table of elements. The elements in the periodic
1. 1 answer
2. 17 views
Which statement correctly compares the valence electrons for atoms of francium (Fr) and barium (Ba)?(1 point) Responses Francium
1. 1 answer
2. 38 views
Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)Responses Hydrogen is stable, with
1. 1 answer
2. 14 views
Which statement about metals and nonmetals is correct?(1 point)Responses Metals and nonmetals can both be found in any column of
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2. 14 views
You plan to pass alpha particles through a field that contains a consistent type of particle. Which configuration will result in
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2. 16 views
Which incorrect aspect of Rutherford’s model was fixed by Bohr’s model?(1 point)Responses Atoms have small, dense,
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If only an element’s atomic number and weight are provided, what other atomic information can be determined for a neutral
1. 1 answer
2. 15 views
Ammonia is a weak base. Potassium hydroxide is a strong base. Which statement is correct?(1 point)Responses A solution of
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2. 64 views
A small amount of sodium hydroxide is added to water. When the chemical reaction reaches equilibrium, the pH is 12. Which
1. 1 answer
2. 35 views
Use the periodic table to answer the question.An illustration shows the periodic table of elements with elements arranged in
1. 1 answer
2. 29 views
Which statement best describes what it means when something is classified as a strong acid?(1 point)Responses It resists
1. 1 answer
2. 21 views
When salt dissolves completely in water, which term best describes the role of water in the salt-water mixture?(1 point)Response
1. 1 answer
2. 23 views
A gaseous product of a reaction is collected at 280K and 0.95 atm. Given R=0.0821L⋅atmmol⋅K, what is the molar mass of the
1. 1 answer
2. 20 views
Which observation is inconsistent with the ideal gas law?(1 point)Responses When volume is held constant and the temperature
1. 1 answer
2. 26 views
Which table correctly shows the relationships between volume, pressure, and temperature of an enclosed gas?(1 point)Responses
1. 1 answer
2. 29 views
Which phase change is the opposite of boiling?(1 point)Responses condensation condensation melting melting freezing freezing
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2. 30 views
What of the following is an advantage of the thermal properties of plastic?(1 point)Responses Heating plastics eliminates the
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2. 28 views
Why is email etiquette important?Email is rarely used to communicate via technology. With more and more written communication
1. 7 answers
2. 32 views
Which of the following are characteristics of a good email message? Select all that apply.It is short and to the point. It is
1. 1 answer
2. 25 views
Use the scenario to answer the question.You want to write an essay about how a specific law was passed. You hope to help the
1. 1 answer
2. 23 views
Use the scenario to answer the question.You want to write an essay about how North American cuisine has evolved over time. You
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2. 14 views
What important factors should a writer consider when choosing a text structure? Select the two correct answers.whether the
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What is a rhetorical device?a pattern of repeated words or phrases designed to show that listed items are of equal importance
1. 1 answer
2. 12 views
What is parallel structure?pairing information that is similar and different to highlight the similarities or differences to
1. 3 answers
2. 27 views
Which of the following values for x makes the inequality 4x+1−−−−−√ ≤5.83 true?9.5 8 10 9
1. 1 answer
2. 22 views
When the value of r is 23, the equation 3r−47.5=21.5 is a true statement. Which of the following values of r makes the
1. 1 answer
2. 17 views
Consider the following expressions:−6+3⋅5 ______ 16−−√+32÷8 . Which operator can be inserted to make the statement
1. 1 answer
2. 17 views
Which expression is A, in order to have a true equation A=5−11/3 ?A=1 2/3+13 A=1 2/3−13 A=1 5/3+13 A=−1 2/3+13
1. 3 answers
2. 28 views