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Questions (787)
Gabriel was asked to solve x^2-36=0 by factoring using the difference of squares pattern. What is/are the correct solution(s)?
A.
1 answer
19 views
Solve the following quadratic equation using the perfect square trinomial pattern: x² - 16x + 64 = 0.
(1 point) x = 8 x = -8 x=
1 answer
13 views
What should be the value of b in x^2 + b x - 55 = 0 so that its solutions are -11 and 5?
A. 16 B. -16 C. 6 D. -6
1 answer
15 views
Which of the following equations has exactly the same solutions as (x-7)(x+9)=0 ? x^2+2x=-63 x^2-2x-63=0 x^2=-2x+63 x^2=2x-63
1 answer
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The quadratic equation x² + 4x - 32 = 0 can be solved by factoring. Which of the following is the
factored form? (1 point) (x+4)
1 answer
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Which of the following quadratic equations can be solved by grouping?
A. x^2 + 10x + 21 = 0 B. x^2 - 12x + 18 = 0 C. x^2 + 8x -
1 answer
14 views
Hyung-eun is solving the quadratic equation x^2 - 4x - 12 = 0 by grouping. Her work is shown below. At which step does Hyung-eun
1 answer
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As Isla prepares to set off fireworks, she wants to ensure the spectators are a safe distance away. When shot in the air, one
1 answer
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Solve the quadratic equation 5x^2 + 75x = 0 by factoring out the GCF.
A. The solutions are x = -15 and x = -5. B. The solutions
1 answer
14 views
Click on the play button below to listen to musical excerpt. Identify the instrument playing the melody. (1 point) trombone,
1 answer
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How do chamber music performers stay together?
by following the conductor by counting the beats out loud by tapping their feet to
1 answer
22 views
Which of the following types of ensembles includes a viola?
piano trio string quartet brass quintet woodwind quintet
1 answer
18 views
Which was invented first, the piano or the pipe organ?
The piano was invented first. The pipe organ was invented first. They were
1 answer
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Antonio Stradivari was a famous ______.
violinist pianist luthier piano tuner
1 answer
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Which of the following is not part of a piano?
damper soundboard mallet hammer
1 answer
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The keyboard instruments evolved from which other instrument?
xylophone harp flute wood blocks
1 answer
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The largest member of the string family is the _______.
violin viola cello bass
1 answer
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Which of the following is not a double-reed instrument?
oboe English horn clarinet bassoon
1 answer
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The oboe is part of the _______ family.
string woodwind brass percussion
1 answer
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An embouchure is a specific way of using facial muscles and lips to create sound on strings and keyboards.
(1 point) true false
1 answer
13 views
The erhu is part of _____ family.
brass woodwind string percussion
1 answer
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the function A goffer hits a golf ball toward the hole 55 yards away. The Isall follows a parabolic path given by h(x)=- 1/25
1 answer
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The path of a soccer ball can be modeled by the equation h(x)=-(1)/(2) x(x-20), where h(x) is the height of the ball, and x is
1 answer
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Based on the Zero Product Property, which of the following statements must be true about the quadratic equation (2x-3)(x+2)=0 ?
1 answer
24 views
Use the table to answer the question. For the quadratic equation (x-7)^2=11 , complete the table by testing each of the given
1 answer
31 views
For the quadratic equation x^2+20x=69 , complete the table by testing each of the given values to determine whether it is a
1 answer
31 views
The party will cost $150, plus $10.50 per child and $5.50 per adult. There needs to be at least one adult and one child at the
1 answer
19 views
The party will cost $150, plus $10.50 per child and $5.50 per adult. There needs to be at least one adult and one child at the
1 answer
17 views
Use the following scenario to solve questions 8-10. Meha is helping her aunt to plan a birthday party for her cousin at the
1 answer
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Her aunt tells her that the party will cost $150, plus $10.50 per child and $5.50 per adult. There needs to be at least one
1 answer
16 views
Her aunt tells her that the party will cost $150, plus $10.50 per child and $5.50 per adult. There needs to be at least one
1 answer
16 views
At the book sale, board books are $1.50 and soft cover books are $0.50. Suppose Santiago purchased 34 books for $20. Which
1 answer
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A system of equations with two linear functions could have infinitely many solutions.
True False
1 answer
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A system of equations with one linear function and one quadratic function could have infinitely many solutions.
True False
1 answer
17 views
In 3-5 sentences, summarize the balanced forces that are present when a soccer ball is resting on the ground, and the unbalanced
1 answer
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In one or two sentences, describe what would happen to the arrows and forces of the surface that the creator was on was ice.
1 answer
10 views
Students are using the experimental setup shown in the image in which the two ends of a string are attached to a car and to a
han
1 answer
10 views
What is the slope and the y intercept of the equation 9+27/2x=-3/2y
1 answer
6 views
Two bowling balls of different masses collide while accelerating at 1.875m/s^2. The first ball, rolling to the right, weighs 7
1 answer
19 views
Which type of instrument uses a mouthpiece?
Single-reed instrument double-reed instrument string instrument percussion instrument
1 answer
14 views
Cindy won \$50.00 for getting first place in the Science Fair. She spent her winnings on robotics kits and chemistry sets. Each
1 answer
8 views
Which of the following options could use both intercepts to produce viable solutions?
(temperature, number of car rentals)
1 answer
14 views
Which of the following examples represents a discrete data constraint with viable solutions?
O average weight of all the newborns
1 answer
15 views
Based on your knowledge of the different sleep cycles, which of the following is the best explanation of REM alep as
1 answer
10 views
Use the equation to answer the prompt.
10 6C→10 5B+ 0+1e 610C→ 510B++1 0e A student claims that the equation models
1 answer
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Use the equation to complete the activity.
219 86Rn→215 84Po+α 86219Rn→ 84215Po+α The nuclear equation shows the
1 answer
6 views
Quadratic functions can be used to describe the rate at which an object will fall and predict when it will land or how high it
1 answer
18 views
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Menu Use the image to answer the question Lincoln's parents invested $5,000 in a college savings account when
1 answer
17 views
What are two advantages of fiber optic cables?
more attenuation and less interference less attenuation and less interference more
1 answer
17 views
What are two advantages of fiber optic cables?
1 answer
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It is estimated that 11% of Phineas' white brain matter was damaged and 4% of his gray brain matter was damaged. Why might this
1 answer
19 views
What early branch of brain study was proved false as the science improved?
Exumation Psychology Phrenology Impairment
1 answer
15 views
The case of Phineas Gage was made likely famous because it was the first time?
Personality was linked to the brain Emotions were
1 answer
14 views
Which of the following is the most likely to occur if the body's peripheral nervous system becomes nonfunctional?
1 answer
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Which specific subdivision of the nervous system calms the body after strenuous physical activity?
1 answer
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What is a summary?
a short moralistic tale that features animal characters that act and speak a brief statement that includes the
1 answer
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What is direct characterization?
the devices and methods an author uses to craft a story a person, animal, thing, or being that
1 answer
13 views
What is direct characterizarion?
1 answer
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What is a plot diagram?
a device that helps visualize a story's plot structure the five elements of plot that stories usually
1 answer
17 views
What is a story's central or unifying message?
tone theme plot genre
1 answer
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What is an author's tone?
their purpose for writing the way they build suspense their attitude toward a subject the way they
1 answer
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What details from the text explicitly support the inference that the men on the dock work together frequently? Select the two
1 answer
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what are explicit meanings?
Claims that are made during an analysis of a text ideas or details that are stated directly in a text
1 answer
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A volleyball is served by a 6-foot player at an initial upward velocity of 33 feet per second. The situation is modeled by the
1 answer
63 views
A volleyball is served by a 6-foot player at an initial upward velocity of 33 feet per second. The situation is modeled by the
1 answer
85 views
a certain population of beetles is increasing at a rate 22% per month. if there
1 answer
15 views
Annabel wants to make banana bread for the bake sale. She went to the market to buy bananas, and she noticed fruit flies after
1 answer
13 views
The cost for shipping by the Boston Mailing Company is based on the amount that a customer spends. For customers spending under
1 answer
42 views
Interpret the key function of the graph for domain interval 9< t<14. What scenario can be represented by this portion of the
1 answer
34 views
A dog boarding facility charges daily based on a dog's weight. If the dog weighs under 15 lbs, the rate is $30. If the dog is
1 answer
39 views
Which of these is NOT an example of application software?
an operating system a word processer a web browser an email platform
1 answer
17 views
Most devices on the Internet of Things use which operating system?
mac0S Windows MS-DOS Linux
1 answer
12 views
What is the main function of a file extension?
to indicate how much space the file takes up to allow the file to be extended to
1 answer
18 views
Tamira has developed an app. She doesn't want anyone to resell or modify it. This is an example of:
an operating system.
1 answer
17 views
Anya is building her own computer, and she is ready to select the software that will provide the interface between the user and
1 answer
23 views
Marco's lab partner sends him a file so he can add experimental data to it, but he isn't able to edit the file. Which is the
1 answer
30 views
Marco's lab partner sends him a file so he can add experimental data to it, but he isn't able to edit the file. Which is the
1 answer
27 views
Chris has purchased a new microphone for his computer to use on Skype calls. He plugs it into the microphone jack, but it
1 answer
22 views
Which of these does an operating system use to organize files?
hypervisor firm or wetware folders of directories output devices
1 answer
11 views
Preeti uses a Mac, and she wants to learn more about its file management system. She should search for a webinar on which of
1 answer
14 views
Which of these statements is true?
All files are similar, but folders can be quite different. All folders are similar, but files
1 answer
15 views
Which of these usually runs in the background without much interaction with the user?
systems software application software a GUI
1 answer
9 views
Which of these is NOT an example of system software?
utility drivers a social media app utility software an operating system
1 answer
11 views
Which of the following describes how modern operating systems function?
They use punch cards to store and retrieve data. They
1 answer
9 views
To run multiple operating systems on a single machine, which of these is needed?
firmware multitasker hypervisor OS switcher
1 answer
13 views
Click on the play button below to listen to a chord. Is this a major triad?
Yes no
1 answer
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A triad that contains the note A and C could also contain which of the following notes?
F B E F or E
1 answer
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If you are building a triad whose root is located on a line on the staff, where will the third and the fifth be located?
on line
1 answer
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A major triad is considered to be _______.
Consonant dissonant melodic diminished
1 answer
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In a major key, major triads can be built on which scale degrees?
first fourth fifth all of the above
1 answer
9 views
The interval between the root and the third of a major triad is made up of ____.
three four five six
1 answer
16 views
The top note of a triad is called the ____.
root third fifth octave
1 answer
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Arpeggio is another word for _____.
triad broken chord harmony consonance
1 answer
11 views
A high school credit is
when a teacher offers extra points for optional work. a unit awarded for passing courses. when you earn a
1 answer
16 views
What is the purpose of a concluding section? Select the two correct answers.
1 answer
24 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1 answer
7 views
78 g of potassium (K) react with 71 g of chlorine (CI) to produce potassium chloride. According to the Law of Conservation of
1 answer
13 views
If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __.
28 grams 32
1 answer
9 views
What does the Law of Conservation of Mass state?
Matter is neither created or destroyed in a chemical reaction, only rearranged.
1 answer
16 views
what does law of conservation of Mass state?
1 answer
10 views
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