Questions and answers by

HaydenReturned

Questions (2,221)

Joana solved the equation 4x2−4x−3=0. She followed the steps to solve a quadratic equation by grouping. However, in Step 3
1. 1 answer
2. 23 views
Which of the following equations has the solution set x={−95,3}?(1 point) Responses (x−3)(9x+5)=0 left parenthesis x minus 3
1. 1 answer
2. 26 views
Solve x2=2564by inspection. There are two real solutions. Enter the lesser number first. Leave the answers in simplest fraction
1. 1 answer
2. 24 views
Get ready for an amusement park day of fun! You and your family want to spend the day at a theme park. You have pooled your
1. 1 answer
2. 23 views
What is the value of p in the following equation? 20p−3=5(1 point) Choose One Of The Following Responses 1 1 7 7 3 3 5
1. 1 answer
2. 23 views
What is the value of p in the following equation? 20p−3=5(1 point) Responses 1 1 7 7 3 3 5
1. 1 answer
2. 27 views
Which equation matches the solution set of {5}?(1 point) Choose One Of The Following Responses 3x5+4=7 Start Fraction 3 x over 5
1. 1 answer
2. 30 views
Which equation matches the solution set of {5}?(1 point) Responses 3x5+4=7 Start Fraction 3 x over 5 End Fraction plus 4 equals
1. 1 answer
2. 25 views
Which of the following values for n makes the inequality 2n−−√<5true?(1 point) Responses 8 8 16 16 18 18 12.5
1. 2 answers
2. 22 views
Use the properties of exponents and radicals to generate an equivalent expression for (256√10)551213.(1 point) simplify the
1. 1 answer
2. 20 views
Use the properties of exponents and radicals to generate an equivalent expression for (256√10)551213.(1 point)
1. 1 answer
2. 23 views
What index should the root form of the expression 1258⋅12−12have?(1 point)
1. 1 answer
2. 21 views
Find the product of 5–√and 16 . What type of number is it?(1 point) Responses 2.40; a rational number 2.40; a rational
1. 1 answer
2. 23 views
What type of number will result from 512⋅16−−√?(1 point) Responses Irrational, because both factors are irrational.
1. 1 answer
2. 19 views
Select the correct answer to the following equation: 15x34−31=−6.(1 point) Responses 125 125 625 625 5 5 25
1. 1 answer
2. 29 views
What type of product will result from multiplying 35and 3π ?(1 point) Responses a whole number a whole number an irrational
1. 1 answer
2. 17 views
The product of 14⋅10.2568will be which of the following?(1 point) Responses Radical, because there is a fraction and a
1. 1 answer
2. 17 views
Use the scenario to answer the question.You want to write an essay about the importance of recycling. You hope to help the
1. 1 answer
2. 16 views
"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy Everyone wants to save the bees. But as populations decline
1. 1 answer
2. 19 views
"NASA Measures Death of Glaciers"by Catherine Woods In 1850, Glacier National Park had 150 living glaciers — that’s six
1. 1 answer
2. 19 views
Use the paragraph to answer the question.We were all experienced sailors, but it took a while to get our bearings that day. Our
1. 1 answer
2. 16 views
Use the dialogue to answer the question.“What kind of story should we write for our group project?” Sammy asked. Which
1. 1 answer
2. 16 views
Which of the following is a solution to the quadratic equation 2x2+5x=3? Assume that the solution has been rounded to the
1. 1 answer
2. 24 views
Complete the square to solve the following quadratic equation: x2+14x+13=27.(1 point) Responses x=7+33–√, 7−33–√ x
1. 1 answer
2. 31 views
Gustavo was asked to solve 64x2+9=13by factoring using the difference of squares pattern. What is/are the correct solution(s)?(1
1. 1 answer
2. 25 views
Solve the following quadratic equation using the perfect square trinomial pattern: 64x2−80x+25=0.(1 point) Responses x=25 x
1. 1 answer
2. 25 views
Which of the following quadratic equations can be solved by factoring?(1 point)Responses −12=x2−x negative 12 equals x
1. 1 answer
2. 20 views
Kevin is solving 6x2−7x+2=0by grouping. He performed the first three steps as shown below. However, he struggles to complete
1. 1 answer
2. 51 views
Solve the following quadratic equation using square roots: (x−7)2−94=0.(1 point) Responses {10.61,3.39} left brace 10.61
1. 1 answer
2. 19 views
Use inspection to solve the equation x2=1010, selecting the correct solution set below. (1 point) Responses {−105,105} left
1. 1 answer
2. 20 views
QuestionSolve for x in the following equation: 272x−5+1=2 .(1 point) Responses 0 0 8 8 16 16 11
1. 1 answer
2. 26 views
Express the solution set to the equation 36x2=0in set notation.(1 point) Responses {0} left brace 0 right brace {−6,6} left
1. 1 answer
2. 35 views
Which of the following values for m makes the inequality m−−√+17<24true?(1 point) Responses 64 64 49 49 48 48 50
1. 1 answer
2. 23 views
Which is the product of the polynomial expressions (xy+1)(x−3)?(1 point) Responses x2y−3xy+x−3 x squared y minus 3 x y
1. 1 answer
2. 20 views
Add the polynomial expressions.Expression #1: 3x4−2−2x3+4x Expression #2: 2x3−6x−4 (1 point) Responses 3x4−6x−6 3 x
1. 1 answer
2. 24 views
Use the Distributive Property to find which expression is equivalent to x2−2x−8.(1 point) Responses (x+4)(x−4) left
1. 1 answer
2. 25 views
Select the correct answer to the following equation: 15x34−31=−6.(1 point) Responses 625 625 125 125 25 25 5 5
1. 1 answer
2. 22 views
Which expression is equivalent to (c−7)17?(1 point) Responses 1c49 Start Fraction 1 over c superscript 49 baseline End
1. 1 answer
2. 28 views
What type of product will result from multiplying 35and 3π ?(1 point) Responses a fraction a fraction a rational number a
1. 1 answer
2. 22 views
The product of 14⋅10.2568will be which of the following?(1 point) Responses Rational, because both numbers are rational.
1. 1 answer
2. 21 views
Match the term with the description that best matches.(2 points)Put responses in the correct input to answer the question.
1. 1 answer
2. 21 views
Data is collected on the frequency of mountain bird songs at three different elevations. Data is collected from 100 birds at
1. 1 answer
2. 22 views
QuestionBody size in mice is controlled in part by genetics. The following data show the number of mice grouped by lengths:
1. 1 answer
2. 22 views
Which example would likely result in new combinations of DNA in an individual's offspring?(1 point)Responses UV radiation
1. 1 answer
2. 43 views
Crossing-over and independent assortment can occur during meiosis. How does this support the claim that meiosis results in
1. 1 answer
2. 41 views
Methylation is an example of(1 point)Responses gene mapping gene mapping gene editing gene editing DNA replication DNA
1. 1 answer
2. 22 views
Identify the mutation below that would be passed on to living offspring if it happened in a parent.(1 point)Responses a silent
1. 1 answer
2. 20 views
During which stage of meiosis does crossing over occur?(1 point)Responses telophase I telophase one prophase II prophase two
1. 1 answer
2. 47 views
What kind of model should you choose to learn more about mitosis?(1 point)Responses a model that shows cell division for the
1. 1 answer
2. 20 views
Which biomolecule is the same in every cell of an organism?(1 point)Responses DNA DNA lipid lipid protein protein mRNA
1. 1 answer
2. 19 views
Why are there different types of cells?(1 point)Responses Cells become specialized before mitosis begins. Cells become
1. 1 answer
2. 22 views
As stem cells differentiate, they become more specialized. Identify the answer choice that orders the cell types from least
1. 1 answer
2. 46 views
Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
1. 1 answer
2. 39 views
Which is true about the lytic and lysogenic cycles of viruses?(1 point)Responses The lysogenic cycle involves newly replicated
1. 1 answer
2. 22 views
SARS is a respiratory illness caused by SARS-CoV-1, a coronavirus. It belongs to the same family of viruses that cause common
1. 1 answer
2. 32 views
In a study on human height, researchers found that identical twins raised in different countries often have different heights as
1. 1 answer
2. 31 views
A student is studying the following model of DNA.A strand of DNA that has exons and introns. The exons are labeled as coding
1. 1 answer
2. 27 views
The mutation shown in the sequence can be categorized as which type?Original DNA sequence: A T A C G G T A G C A A T A T G C C A
1. 1 answer
2. 28 views
What type of molecule is added to ADP to make it a higher energy molecule that can carry energy in cells?(1 point)Responses
1. 1 answer
2. 23 views
QuestionDuring cellular respiration, energy is released. What would a model need to show to accurately demonstrate that matter
1. 1 answer
2. 27 views
Identify the byproduct of lactic acid fermentation.(1 point)Responses oxygen oxygen carbon dioxide carbon dioxide pyruvic acid
1. 1 answer
2. 17 views
You want to build a model of aerobic cellular respiration. What should it show about the relationship between oxygen and energy
1. 1 answer
2. 23 views
Recall how many Calories are in 1 kcal. Compare 41 Calories to 410 kcal (1 kcal=1,000 calories ).(1 point) Responses 41 Calories
1. 1 answer
2. 20 views
Photosynthesis occurs in two stages: the light-dependent stage and the light-independent stage. Identify the location within a
1. 1 answer
2. 54 views
Deoxygenated blood from the body returns to the heart through veins. The heart then pumps the deoxygenated blood through
1. 1 answer
2. 28 views
Think about the differences between chemical and mechanical digestion. Which organs in the digestive system are involved only in
1. 1 answer
2. 19 views
What is a distinguishing feature between smooth endoplasmic reticulum and rough endoplasmic reticulum?(1 point)Responses Smooth
1. 1 answer
2. 20 views
What is the movement of water, containing no solute, across semi-permeable cellular membranes through proteins called aquaporins
1. 1 answer
2. 26 views
You find a blog post written by a student on a university website about photosynthesis. It cites multiple peer-reviewed
1. 1 answer
2. 36 views
You want to use evidence to support a claim that ATP provides the energy for various cellular activities, and this only happens
1. 1 answer
2. 23 views
Identify the statement below that is true about exothermic reactions.(1 point)Responses They do not require activation energy in
1. 1 answer
2. 18 views
How do plants and animals rearrange atoms in chemical reactions to support their functions?(1 point)Responses Animals and plants
1. 1 answer
2. 32 views
Nucleic acids are biomolecules that are made up of nucleotides. Nucleotides contain sugar, a phosphate group, and a nitrogen
1. 1 answer
2. 23 views
A variable with letters and numbers is a:(1 point) Responses string. string. integer. integer. constant. constant. Boolean
1. 1 answer
2. 19 views
f the user enters a password that is too short, they will get an error message. Otherwise, they will get a welcome message. This
1. 1 answer
2. 21 views
Assembly language is a:(1 point) Responses markup language. markup language. query language. query language. low-level language.
1. 1 answer
2. 20 views
Marisol wrote a section of code, but it didn’t work the way that she expected. So, she got a pencil and a paper and wrote down
1. 1 answer
2. 22 views
A team is struggling to design an algorithm properly. A visual representation might clear some things up. Which of these would
1. 1 answer
2. 19 views
A program will give the player five chances to guess a number. The program will need to use:(1 point) Choose One Of The
1. 1 answer
2. 23 views
QuestionA software design team just sent out a draft form of an app to trusted advisors who are going to tell the team about
1. 1 answer
2. 19 views
A program will calculate the sales tax on a purchase. The tax rate will always be 8.25 percent. The number 8.25 is an example of
1. 1 answer
2. 27 views
QuestionA variable that can be “true” or “false” is a(n): (1 point) Responses string. string. integer. integer. float.
1. 1 answer
2. 19 views
What is the key feature of the agile methodology of software development?(1 point) Responses It is rigid. It is rigid. It is
1. 1 answer
2. 16 views
The plotted points on this graph represent a sequence of linear change.What ordered pair would be the next point on the graph?
1. 1 answer
2. 19 views
What are potential challenges that the information economy produces? (1 point)Responses data privacy data privacy increased
1. 1 answer
2. 35 views
What led to the passage of the Clean Air and Clean Water Acts?(1 point)Responses pressure from industry pressure from industry
1. 1 answer
2. 19 views
Which of the following best illustrates human trafficking?(1 point)Responses Maria is forced to move from her neighborhood when
1. 1 answer
2. 21 views
A tiny island country has a gross domestic product (GDP) of $25 million and a population of 500 citizens. What is its GDP per
1. 1 answer
2. 39 views
Which term applies to the following situation? A town has a lake with fresh water but lacks a water treatment facility to make
1. 1 answer
2. 27 views
Which of the following statements is true?(1 point)Responses There are substantial racial disparities in household income in the
1. 1 answer
2. 19 views
Conflict between humans is often a direct result of inadequate access to resources that are vital for survival. Such resources
1. 1 answer
2. 22 views
Which one of the following ways can countries improve their gross national income (GNI)?(1 point)Choose One Of The Following
1. 1 answer
2. 39 views
Which one of the following ways can countries improve their gross national income (GNI)?(1 point)Responses foreign investment
1. 1 answer
2. 23 views
In which of the following do individual voters have the most representation in Congress?(1 point)Responses states with very
1. 1 answer
2. 40 views
Which of the following is true about freedom and citizenship in the early U.S.?(1 point)Responses Freedom and citizenship was
1. 1 answer
2. 44 views
What makes the Strait of Gibraltar a unique case in regard to its status as international waters?(1 point)Responses It is
1. 1 answer
2. 28 views
Which of the following is most true of all the internal conflicts discussed here?(1 point)Responses All of them are based in
1. 1 answer
2. 28 views
Which of the following is an example of a political boundary based on cultural division?(1 point)Responses the border between
1. 1 answer
2. 23 views
Which of the following best describes the border between North and South Korea?(1 point)Responses It is a long, open border
1. 1 answer
2. 21 views
Which of the following definitions best classifies the Kurds as a unit?(1 point)Responses Because we can identify the boundaries
1. 1 answer
2. 19 views