Questions and answers by

wiggle

Questions (788)

Which is the main fuel for nuclear fusion in all stars?(1 point)A. hydrogen B. carbon C. nitrogen D. helium
1. 1 answer
2. 272 views
Which is the heaviest element produced in large stars by nuclear fusion near the end of their life cycle?(1 point)A. helium B.
1. 1 answer
2. 208 views
Which of these is a light element?(1 point)A. carbon B. oxygen C. iron D. lithium
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2. 89 views
What fact best explains why it is significant that Angelou's narrative is set in 1940?(1 point) Responses A. In 1940, the United
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2. 193 views
How is the sun classified on an Hertzsprung-Russell Diagram?(1 point)Responses A. as a giant star B. as a main sequence star C.
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2. 299 views
Homer and Bart plan to buy one computer for 499.00 strictly for gaming purposes. Games cost $49.99 each.If they purchase one
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2. 237 views
Homer and Bart plan to buy one computer for 499.00 strictly for gaming purposes. Games cost $49.99 each.Define each variable and
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2. 276 views
Enter your answer and show all the steps that you use to solve this problem in the space provided.Simplify the Expression.
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2. 65 views
Name the subset(s) of real numbers to which the number zero belongs. Choose all that apply.(1 point)A. irrational numbers B.
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2. 234 views
The square root of 0.81 isA. 9 B. .09 C. .91 D. .9
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2. 78 views
The square root of 0.81 is
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2. 62 views
5 is the square root of what expression(s)? Check all that apply.(1 point)A. 10 B. 25 C. 5+5 D. 5²
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2. 95 views
What is the 2nd step in simplifying the expression 4² + 8 ÷ 2 ?(1 point)Responses A. Divide 8 by 2 B. Add 16 and 8 C. Divide
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2. 158 views
Write a word phrase for the algebraic expression 3x – 7.(1 point)A. the quotient of three times a number x and seven B. three
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2. 136 views
1. Write an algebraic expression for the word phrase: the quotient of r and 12.(1 point)A. r • 12 B. r – 12 C. r + 12 D. r
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2. 149 views
Use deductive reasoning to tell whether the statement shown below is true or false. If it is true, indicate which property or
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2. 144 views
Use deductive reasoning to tell whether the statement shown below is true or false. If it is true, indicate which property or
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2. 145 views
Use the commutative and associative properties as needed to simplify the expression.left parenthesis 14 plus a right parenthesis
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2. 97 views
Simplify by using the associative property of multiplication.7(2y) 7(2y)=
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2. 53 views
The sign at the right shows the costs for a deep-sea fishing trip. How much will the total cost be for 1 adult, 2
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2. 107 views
Name the property that the following statement illustrates.13 x pie=pie x 13 A. Associative property of addition B. Commutative
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2. 111 views
Name the property that the following statement illustrates.13 times piequalspi times 13 A. Associative property of addition B.
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2. 101 views
Name the property that the following statement illustrates.84+9=9+84 A. Associative property of addition B. Commutative property
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2. 112 views
Choose the property illustrated by the following statement.left parenthesis 8 times y right parenthesis times 6 equals 8 times
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2. 104 views
Order the numbers below from least to greatest.one fourth, negative 2, StartRoot 8 EndRoot, negative seven halves,
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2. 113 views
Order the numbers below from least to greatest.one fourth, negative 2, StartRoot 8 EndRoot, negative seven halves,
1. 1 answer
2. 93 views
Choose which set or sets the following number belongs to. Be sure to account for ALL sets.StartRoot 18 EndRoot A. rational
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2. 163 views
Choose which group of sets the following number belongs to. Be sure to account for ALL sets.7 A. whole numbers, integers,
1. 1 answer
2. 113 views
Choose which group of sets the following number belongs to. Be sure to account for ALL sets.two thirds 2/3 A. real numbers,
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2. 132 views
determine between which two consecutive integers the square root lies.StartRoot 45 EndRoot (Simplify your answer.)
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2. 124 views
determine between which two consecutive integers the square root lies.StartRoot 45 EndRoot Question content area bottom Part 1
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2. 90 views
Evaluate the square root.StartRoot 0.64 EndRoot (Type an integer or a decimal.)
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2. 77 views
Evaluate the square root.StartRoot StartFraction 169 Over 49 EndFraction EndRoot (Type an integer or a fraction.)
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2. 94 views
Simplify.StartRoot 64 EndRoot The principal square root is
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2. 81 views
Simplify the following expression.2[(8-5)^5/9]
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2. 45 views
Evaluate the expression below for = 2 and t = 8.4st^2-s^2
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2. 48 views
Evaluate.(4/5)^2
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2. 34 views
(4/5)^2
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2. 52 views
Simplify the expression.(6^2-3^) / 3
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2. 50 views
3 left parenthesis x squared plus 5 right parenthesisis an example of which of the following? A. a solution B. exponential
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2. 141 views
A bagel shop sells bagels by the pair. The table at the right shows the number of bagels a shop gives per "pair" ordered.
1. 1 answer
2. 114 views
Write an algebraic expression for the following word phrase.7.82 less than the product of 42 and x
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2. 100 views
Write the phrase as a mathematical expression.5 more than 2 times x
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2. 68 views
Translate to an algebraic expression.32 less than q
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2. 86 views
Which of the following is equivalent to the expression 9z-3A. The difference of 9 times a number Z and 3 B 9 times the
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2. 120 views
Which type of electromagnetic radiation has more energy than visible light and can pass through the human body?(1 point)
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2. 292 views
Which is an example of an algebraic expression?(1 point)A. 4(3 + 8) B. 182 C. 3 – a D. 21 • 4
1. 1 answer
2. 168 views
Identify the antecedent for the underlined pronoun in the sentence below.The boy was excited about his date with Sheila, but he
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2. 118 views
The prefix a- can mean "none" or "not." Based on your knowledge of the Greek word root pathos, what is the most likely meaning
1. 1 answer
2. 284 views
What makes up all stars?A. heavy elements B. plasma C. steam D. hydrogen gas
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2. 142 views
Which statements are TRUE about energy and matter in stars? Select the three correct answers.(2 points)A. Only energy is
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2. 569 views
The International Astronomical Union (IAU) defines a constellation by its (1 point)A. star pattern B. Greek name C. brightest
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2. 346 views
In which sentence is the word my used as an INTERJECTION?A. My letter to the editor was published today B. I expressed my ideas
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2. 228 views
In which sentence is the word barn used as the OBJECT OF A PREPOSITION?B. The barn owl flies silently through the night. C. John
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2. 260 views
In which sentence is the word barn used as the OBJECT OF A PREPOSITION?A. The Sutters' barn and fence need a new coat of paint.
1. 1 answer
2. 274 views
Identify the choice that best describes the underlined word or words in each sentence.Calvin Coolidge kept several unusual pets.
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Identify the choice that best describes the underlined word or words in each sentence.White House pets often become almost as
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Identify the choice that best describes the underlined word or words in each sentence.White House pets often become almost as
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2. 331 views
Identify the choice that best describes the underlined word or words in each sentence.Who remembers the name of Lyndon Johnson's
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2. 275 views
Identify the choice that best describes the underlined word or words in each sentence.The White House has been home to many
1. 2 answers
2. 364 views
How would you examine a sentence to identify the subjunctive mood?(1 point)A. determine whether it makes a demand or an order B.
1. 1 answer
2. 234 views
Which sentence uses the past tense verb be in the subjunctive mood?(1 point)A. You are interested in reading. B. He is an
1. 1 answer
2. 164 views
What are the challenges and rewards of working this job. art teacher
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2. 105 views
art teacher What is the average starting salary for this career?
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2. 107 views
art teacher What training is required or recommended for your career? Howlong does this training typically take? 4 Sentences.
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2. 139 views
art teacher Describe your job. What skills are necessary to accomplish yourdaily tasks in this position? 4 sentences
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2. 151 views
art teacher Describe your job. What skills are necessary to accomplish yourdaily tasks in this position?
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2. 118 views
Which information helps scientists determine the survival probability of a population?(1 point)A. the feeding habits of an
1. 1 answer
2. 207 views
A bottleneck event reduces the population of bears in one area by 80%. Which statement is correct about the bears’ gene pool?
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2. 149 views
Why are the gene pools of small populations reduced compared to those of larger populations? (1 point)A. lack of advantageous
1. 1 answer
2. 208 views
Which statement is correct about a bottleneck event? (1 point)A. A bottleneck event decreases the population of a species
1. 1 answer
2. 157 views
Which is the best explanation for why the conditional mood is used?(1 point)A. There are times when you do not know what will
1. 1 answer
2. 375 views
Which does the conditional verb mood express?(1 point)A. a firm and direct command or request for action B. a wish, a demand, a
1. 1 answer
2. 133 views
Which group of words is used with the conditional verb mood?(1 point)A. wish, were, be B. could, would, might C. who, what, when
1. 1 answer
2. 111 views
Which of the following defines verb mood?(1 point)A. the fact or opinion that is addressed by the use of a verb. B. the manner
1. 1 answer
2. 292 views
Which verb mood gives advice or makes commands?(1 point)A. imperative mood B. indicative mood C. implied mood D. interrogative
1. 1 answer
2. 147 views
When a sentence is written in the interrogative mood, the verb form should _________(1 point)A. express a fact or opinion. B.
1. 1 answer
2. 140 views
What does the verb state in the indicative mood?(1 point)A. a command or request B. a question or thought C. a fact or opinion
1. 1 answer
2. 148 views
The Surprising Truth about Reading StoriesMany people choose not to dive into a good fiction book, but they are missing out.
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2. 156 views
The Surprising Truth about Reading StoriesMany people choose not to dive into a good fiction book, but they are missing out.
1. 1 answer
2. 185 views
In an ecosystem, the average temperature increases, causing a shorter winter. There are two varieties of rabbits in this area,
1. 1 answer
2. 264 views
In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and
1. 1 answer
2. 118 views
In an ecosystem, there are two color varieties within a species of toads: brown and green. Over 50 years, the proportion of the
1. 1 answer
2. 134 views
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension
1. 1 answer
2. 148 views
How have the historic levels of melanin in human populations changed due to migration? (1 point)Humans that produced less
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2. 146 views
What association would you expect if graphing number of hours worked and money earned.Negative linear Nonlinear None of these
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2. 135 views
What association would you expect if graphing height and weight?Positive Nonlinear negative none of these
1. 1 answer
2. 129 views
What is the term for data that grouped closely together?A. outlier B. Linear C. positive D. clustering
1. 1 answer
2. 183 views
Which statement is accurate about natural selection?(1 point)A. Natural selection does not change the alleles an organism has.
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2. 360 views
Natural selection causes changes in(1 point)A. individuals. B. genotypes. C. populations. D. phenotypes.
1. 1 answer
2. 121 views
Over time, the variation that gives an advantage(1 point)A. can limit the number of individual organisms. B. becomes more common
1. 1 answer
2. 112 views
What relationship exists between changes in the environment and variations?(1 point)A. Changes in the environment can act only
1. 1 answer
2. 397 views
Consider the following scenario:In an aquatic bird population, some birds have long legs. Other birds have short legs. The food
1. 1 answer
2. 147 views
Consider the following scenario:You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction
1. 1 answer
2. 186 views
Two skydivers of different masses jump from a plane. In three to five sentences, explain how their falls compare, including the
1. 1 answer
2. 246 views
A science class is planning an investigation about gravity and objects on Earth. In three to four sentences, explain the steps
1. 3 answers
2. 445 views
How does an open parachute slow a skydiver’s fall?(1 point)A. The parachute weakens the force of gravity. B. The parachute
1. 1 answer
2. 332 views
Which object would have the slowest speed at terminal velocity?(1 point)A. a 10-kilogram block with a small parachute B. a
1. 1 answer
2. 214 views
A coin (5 grams), a small parachute (21 grams), and a hammer (710 grams) are all dropped from a height of 10 meters. The coin
1. 1 answer
2. 169 views
A hammer and a feather are dropped from the same height. Imagine that there is no resistance to the objects' motion in air.
1. 1 answer
2. 479 views