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shoto

Questions and answers by shoto

Questions (88)

which of the following sets of three links could be the sides of a right triangle?15in, 15in, 30in 11in, 60in, 61in 13in, 38in,
1. 3 answers
2. 89 views
it cost a group of college friends, 320 to reserve a private room at a local restaurant. If the 20 friends split the cost of
1. 1 answer
2. 70 views
A photo has a perimeter of 24 cm using a photocopier you enlarge the photo so it’s new permitter is 60 cm what is the scale
1. 1 answer
2. 83 views
are the ratios 84/96 and 56/63 proportional?no, because one ratio reduces to 7/8, and the other reduces to 7/9 yes, because they
1. 1 answer
2. 88 views
select the answer with the rational product and a correct explanation for why the product is it rational(0.333…)•14/17
1. 3 answers
2. 221 views
which of the following numbers could be added to 1/12 to make a sum greater than 1/25/12 9/24 1/3 4/9
1. 1 answer
2. 169 views
The scale factor for two similar rectangles is four if the area of the smaller rectangle is 9 inches two what is the area of the
1. 1 answer
2. 98 views
consider the distance formula d=16t to where d is the distance in feet to an object travels and t is the time in seconds that it
1. 1 answer
2. 104 views
summa drive 36 miles east, and then drive 77 miles south how far is she from starting point113 miles 85 miles 56 miles 41 miles
1. 1 answer
2. 94 views
The scale of a map of Montana states that 1 cm : 50 KM if the distance on the map between Billings and bozeman in man measures 4
1. 3 answers
2. 97 views
The area of Egypt is approximately 390, 000 mi.. What is the number in scientific notation?39x10 4 3.9x10 4 39x10 5 3.9x10 5
1. 1 answer
2. 74 views
The cost of a half gallon of ice cream at your local store is $5.46 points write this as a unit rate.$2.73/1 gallon $5.46/ 1
1. 3 answers
2. 114 views
which equation represents five is 10 less than R5= r-10 5=10-r 5-10=r 0=5-10-r
1. 1 answer
2. 82 views
which of the following is an integer multiple of the unit fraction 1/4(1/4)3 1/3•1/4 2.4/4 5/4
1. 3 answers
2. 174 views
which of the following is an irrational number?4pi/pi v30 7.222… 33/v25
1. 3 answers
2. 72 views
A rectangle has a length of 17 cm and a height of 9.5 cm another rectangle has a length of 8.5 cm and a height of 4.75 cm are
1. 1 answer
2. 79 views
which statement about electromagnets is correctA north pole in the south pole attract each other two north poles attract each
1. 10 answers
2. 202 views
which is the best description of how to build an electromagnetattach one end of a wire to a Battery and attach the other end of
1. 1 answer
2. 140 views
what causes a maglev train to hover above the trackAttractive, Magnetic force Electric current Repellent, magnetic force Massive
1. 2 answers
2. 139 views
how does a maglev train move forward?Magnets in front of the train constantly Paul magnets in the train toward them The magnets
1. 1 answer
2. 239 views
A 12-V battery is connected to a light bulb with a resistance of 2Ω. What is the current in the circuit? **You must show all
1. 1 answer
2. 123 views
What materials generally act as a good conductors?a Organics b Gases c Nonmetals d Metals
1. 1 answer
2. 179 views
For a class project, Jerome builds a simple circuit with a battery and three light bulbs. On his way to school, Jerome drops his
1. 1 answer
2. 186 views
Which of the following would decrease the flow of current through the lights in the circuit shown above?a Decreasing the battery
1. 3 answers
2. 302 views
What is the energy conversion that happens inside a battery?a Electrical Energy to Kinetic Energy b Chemical Energy to
1. 1 answer
2. 159 views
Avery is experimenting with a simple circuit. She measures the current in the circuit three different times with a different
1. 1 answer
2. 305 views
Three light bulbs are connected in a series, as shown in the diagram.After the circuit is completed, the middle light bulb
1. 1 answer
2. 243 views
An electric flashlight can be charged by turning a crank. Identify the types and order of energy changes happening.a Mechanical
1. 1 answer
2. 225 views
A car radio with a resistance of 15 ohms draws a current of 0.87 amperes. What is the voltage of the car battery?a 5.8 volts b
1. 1 answer
2. 127 views
Using Coulomb's Law, if the size of one of the charges increases (and the distance remains the same), what happens to the
1. 1 answer
2. 196 views
Which of the following determines if a material is a conductor or an insulator?a proton movement b number of electrons c
1. 1 answer
2. 190 views
Crystal's class is studying parallel circuits. The teacher asks what will happen if one of the light bulbs break in a parallel
1. 1 answer
2. 310 views
How does increasing the distance between charged objects affect the electric force between them?a The electric force increases
1. 1 answer
2. 124 views
The drawing shows a student holding two negatively charged balloons. What is most likely to occur if the student brings the
1. 1 answer
2. 164 views
The diagram shows a wooden racetrack with a 500-g car positioned at the top of a slope. Which energy conversion takes place as
1. 1 answer
2. 177 views
What is another name for an object that uses up the electrical energy in a circuit?a Battery b Wire c Source d Load
1. 1 answer
2. 160 views
Which of the following statements regarding electric insulators is correct?a Electric insulators have high tensile strength. b
1. 1 answer
2. 139 views
If the distance between two objects is doubled, what happens to the gravitational force between them?a it decreases to 1/2 of
1. 1 answer
2. 116 views
In a parallel circuit with three lights on it, one light breaks. What happens to the intensity of the other two lights?a they
1. 1 answer
2. 128 views
Which of the following directly affects the strength of an electromagnet?a Length of core, type of force b Number of coils,
1. 1 answer
2. 183 views
Salt water is a good conductor. When salt is dissolved in water, which of following explains why it becomes a good conductor?a
1. 1 answer
2. 272 views
In a copper wire, the flow of current is made up of which of the following?a neutrons b protons c ions d electrons
1. 3 answers
2. 154 views
Sam, an electrician, wraps a copper wire with a thick plastic coating. What is he most likely trying to do?a keep a current from
1. 3 answers
2. 228 views
The mechanical advantage of a wheel and axle is the radius of the wheel divided by the radius of the axle.What is the mechanical
1. 1 answer
2. 106 views
The mechanical advantage of a wheel and axle is the radius of the wheel divided by the radius of the axle.What is the mechanical
1. 3 answers
2. 147 views
Dramatic Irony occurs when...* an unexpected surprise or twist is experienced in the plot. a character says one thing, but
1. 1 answer
2. 133 views
At the beginning of Act 1, Juliet's stongest relationship appears to be with whom?* Romeo Tybalt Lady Capulet Lord Capulet Nurse
1. 4 answers
2. 97 views
Which defines a concave mirror?A concave mirror curves inward with the edges of the mirror pointing towards the viewer. A
1. 1 answer
2. 72 views
Parallel light waves bounce off a smooth surface. Which behavior of light does this describe?absorption superposition reflection
1. 1 answer
2. 135 views
Which statement explains why white objects appear white and black objects appear black?White objects absorb all colors of light,
1. 1 answer
2. 92 views
Which statement correctly describes the refraction of light?As light waves enter a different medium, they bend towards the
1. 1 answer
2. 91 views
Which type of wave needs a medium to travel?light waves, because they travel by oscillating electromagnetic fields sound waves,
1. 1 answer
2. 97 views
What do both sound and light waves transfer?air air electricity electricity energy energy matter
1. 1 answer
2. 80 views
How does an increase in amplitude affect sound and light waves?louder sound and brighter light louder sound and longer
1. 1 answer
2. 101 views
What happens to the wavelength when the frequency increases?The wavelength stays the same The wavelength increases The
1. 1 answer
2. 94 views
Which of the following is true about sound waves?Sound moves faster in the ocean than in the air. Sound would move faster in a
1. 1 answer
2. 121 views
A person moves away from a stationary sound source. Which phrase describes the sound perceived by the person?lower pitch and
1. 1 answer
2. 93 views
A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving
1. 1 answer
2. 114 views
When a guitar string is plucked, what part of the standing wave is found at the fixed ends of the string?the harmonics the
1. 1 answer
2. 87 views
A person is singing in the shower. They notice that as certain notes become very loud, the shower walls vibrate. Which statement
1. 1 answer
2. 153 views
A piano tuner hears a beat frequency when using a tuning fork to tune a piano wire. The piano tuner should adjust the tension in
1. 1 answer
2. 108 views
In which case will a beat frequency most likely occur?two different instruments playing notes at very different frequencies two
1. 1 answer
2. 90 views
How can a person sing into a piano and cause a piano wire to vibrate?The person sings at the same frequency as the piano wire,
1. 1 answer
2. 81 views
What term is used to describe the combination of two traveling waves in the same material, which can be constructive or
1. 1 answer
2. 113 views
The wires in a piano vibrate, but fractions of the wire also vibrate at different frequencies than the whole wire. What is the
1. 1 answer
2. 93 views
Which characteristic is defined as the distance traveled by a wave crest in a given time?speed frequency amplitude wavelength
1. 1 answer
2. 134 views
Which term describes the distance from the crest of a wave to the next crest?frequency amplitude speed wavelength
1. 3 answers
2. 156 views
A surfer talks about riding a 20-foot wave. Which measurement of waves is the surfer describing?amplitude wavelength frequency
1. 1 answer
2. 100 views
What is the period of a wave with a wavelength of 8 cm and a frequency of 0.5 hertz?4 seconds 2 seconds 0.0625 seconds 0.125
1. 3 answers
2. 134 views
Two ropes are identical. A wave traveling through the first rope has a frequency of 1.5 hertz and a wavelength of 6 meters. What
1. 1 answer
2. 110 views
If the wavelength of a wave in a particular medium is tripled, what will happen to the frequency of the wave?It will become one
1. 1 answer
2. 108 views
If the speed of sound in air is 340 m/s, approximately how long will it take the sound of a clap of thunder to travel 2
1. 1 answer
2. 108 views
In music, the note G above middle C has a frequency of about 392 hertz. If the speed of sound in the air is 340 m/s, what is the
1. 1 answer
2. 118 views
Which statement correctly compares the speed of sound in solids and gases?The speed of sound is generally faster in solids than
1. 1 answer
2. 124 views
The speed of sound through diamond is about 12,000 m/s. The speed of sound through wood is about 3,300 m/s. Which statement
1. 2 answers
2. 145 views
A student conducts an experiment in which sound waves pass through air and then through water.Which statement describes the wave
1. 1 answer
2. 163 views
Which measure does not change when a wave moves from one medium to another?amplitude frequency speed wavelength
1. 7 answers
2. 112 views
The sound of a plucked guitar string travels through the air and strikes the eardrum of a person in the same room. How does the
1. 1 answer
2. 222 views
Two different types of rope with different properties are fused together to make one long rope. When a wave transfers from the
1. 6 answers
2. 119 views
The history of mankind is a history of repeated injuries and usurpations [seizures] on the part of man toward woman, having in
1. 1 answer
2. 121 views
can i ask you a question bot
1. 5 answers
2. 44 views
Use the image to answer the question.An illustration shows quadrant four of a coordinate plane where the x-axis ranges from 0 to
1. 25 answers
2. 379 views
answers for theWriting Informative Text Unit Test
1. 31 answers
2. 521 views
1. Which are blanket statements? Select the two correct answersA. The results of a recent study suggest that we should adjust
1. 1 answer
2. 31 views
1. Which are blanket statements? Select the two correct answersA. The results of a recent study suggest that we should adjust
1. 1 answer
2. 27 views
1. Why did puritan christians migrate from europe to the AmericansA. They accidentally discovered it while sailing to China. B.
1. 1 answer
2. 39 views
1. Analyze the maps to identify the connection between the growth of the Spanish Empire and the spread of Catholicism.A. After
1. 1 answer
2. 40 views
1. Analyze the table to determine which statement about the spread of Catholicism is true.A. Spain’s large navy conquered
1. 1 answer
2. 42 views

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