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violet

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There are 45 boys and 54 girls in your school's senior class. What is the ratio of boys to girls?
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There are 45 45 boys and 54 54 girls in your school's senior class. What is the ratio of boys to girls?
1 answer
Natalie is paid a regular hourly wage of $20 per hour for working up to and including 40 hours in one week. For each additional hour she works in a week, Natalie is paid 1.5 times her regular hourly wage. This week, Nata...
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Jacob was riding the bus to a band competition. At 2:00 PM, he noticed a mile marker labeled 112 on the side of the highway. Exactly 15 minutes later, he saw another mile marker labeled 97. What was the average speed of...
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Jacob was riding the bus to a band competition. At 2:00 PM, he noticed a mile marker labeled 112 on the side of the highway. Exactly 15 minutes later, he saw another mile marker labeled 97. What was the average speed of...
1 answer
Click on the word in each statement that lets you know you're working with rates. Select all that apply. The arctic tern travels approximately 44,000 miles each year. The humpback whale migrates roughly 25,000 miles per...
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An object is placed in front of a convex mirror. The reflected image of the object will be a real image that appears to be behind the mirror. real image that appears to be in front of the mirror. virtual image that appea...
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Rosa writes a story in which the main character turns into a mouse. Which object could she include in her story so the character can see his own face and confirm he has really turned into a mouse? an ironed bedsheet a po...
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In an area of the deep ocean, hot magma emerges from a crack in Earth’s crust. Which statement describes what will happen to the seawater above the crack as a result of convection? Water molecules will break apart and fl...
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Which best explains how fiber-optic technology benefits the field of medicine? It allows doctors to view internal body structures to help them diagnose illnesses. It helps surgeons make more accurate repairs to broken bl...
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Why do nuclear power plants use fission instead of fusion? Scientists have not yet gotten a fusion reaction to happen on Earth. Per gram of fuel, fission releases more energy than fusion. The energy from fusion cannot ye...
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Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending? analog digital radio infrared
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Samantha is observing a salt crystal under a microscope. She wants to view more details by enlarging the image of the crystal. Which would allow her to do this? increasing the amount of light that shines on the crystal d...
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Which best compares radiation and conduction? Both transfer thermal energy from warm objects to cooler objects. Both can transfer energy through empty space. Both transfer thermal energy by electromagnetic waves. Both in...
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Hamid is viewing an image of a bird produced by a set of concave lenses. What must be true about the image? It is a virtual image. It is upside down. It is larger than the actual bird. It is capable of being projected.
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Which best explains why a black T-shirt gets warmer in the Sun than a white T-shirt? Darker colors reflect more energy from colliding particles than lighter colors do. Darker colors absorb more energy from colliding part...
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Jan is holding an ice cube. What causes the ice to melt? Thermal energy from the ice is transferred to the air. Thermal energy from Jan’s hand is transferred to the ice. The air absorbs thermal energy from Jan’s hand. Ja...
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Pravat exerts a force of 30 N to lift a bag of groceries 0.5 m. How much work did Pravat do on the bag? Note : Work = Force x Distance 0 J 15 J 30 J 60 J
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The diagram shows a clear glass lens. A thin double concave lens. Which best describes what happens when light rays move from air, through the lens, and back to air? The light rays refract toward a central axis. The ligh...
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Brian creates the diagram below to organize his notes on nuclear fission and fusion. Which label belongs in the region marked X? produces neutrons forms heavier atoms joins two nuclei forms lighter nuclei
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Which object reflects light with the longest wavelength? a yellow book a violet flower a blue paper a green leaf
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A circuit contains two lamps connected in series. What would happen to the brightness of each lamp if two more lamps were added? Explain.
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A rectangular box of lines and an extra vertical line near the right end of the box has circles with X's in them on the right side, on the extra line, and on the top side between the extra line and a stack of vertical li...
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Janelle wants to buy some strings of decorative lights for her home. She is trying to decide between two strings of lights that are wired differently. How should Janelle’s lights be wired, and why?
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Fill in the word that completes each statement. Current cannot flow through a circuit when the switch is . Current flows through a circuit and all of the bulbs are lit only when the switch is .
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