Questions and answers by

ASTRANGEPERSON

Questions (244)

Recognize which statement correctly describes the matrix.L=⎡135297⎤ Responses Matrix L has the dimensions 2×3. Matrix upper
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Use the table to answer the question.Brain Size (g) Body Size (kg) Badger 53 6 Caribou 288 110 Dog 70.2 8.5 M=Hedgehog 3.5 0.93
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You are collecting data on plant growth. There are 10 plants, and you measure each one every week for 4 weeks. What matrix
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QuestionB=[212](1 point) Matrix B has the dimensions _____×_____ (fill in blanks) .
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Matrices PracticeComplete this assessment to review what you've learned. It will not count toward your grade. 4 of 54 of 5 Items
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Use the table to answer the question.Test 1 Test 2 Test 3 T= Kinley 74 99 93 Paul 65 85 96 Jasmine 88 85 84 Sonya 84 96 92 Leon
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nd the average number of offspring in their litters. They find that, on average, horses gestate 340 days and have a litter of 1;
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QuestionGiani is collecting data about people’s grocery shopping habits. He asks 25 people about the distance they travel to
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During the Progressive Era, how did the government work to reduce corruption during elections?(1 point) Responses It adopted the
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Which is an event of the Progressive Era enacted by the local government in South Carolina?(1 point) Responses The first Grange
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A diagram depicting one of the seasons shows the Northern Hemisphere tilted toward the sun. Which season is it in the Northern
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Reason for the Seasons Quick Check3 of 43 of 4 Items Question A diagram explaining the cause of the seasons shows the Earth in
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Animation shows a complete revolution of the Earth around the sun. What happens during this time?(1 point)Responses The moon
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QuestionA model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these
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What does it mean to be in the path of totality?(1 point)Responses You are on part of Earth that is in the penumbra of the
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When do total lunar eclipses occur?(1 point)Responses infrequently during the new moon infrequently during the new moon every
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When Earth, the moon, and the sun align, which order would lead to a solar eclipse? (1 point)Responses sun–Earth–moon
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During a lunar eclipse, what is the penumbra?(1 point)Responses It is the part of Earth’s shadow where the sun is completely
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What is a similarity between the first-quarter moon and the third-quarter moon? (1 point)Responses The moon is always waning in
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What is a difference between a waxing crescent and a waning gibbous? (1 point)Responses A. waxing crescent occurs during the
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Moon Phases Quick Check3 of 43 of 4 Items Question What is a difference between a waxing crescent and a waning gibbous? (1
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Moon Phases Quick Check2 of 42 of 4 Items Question Where is the moon located in relation to Earth and the sun when it is a
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QuestionWhich phase of the moon is seen when the moon is located between Earth and the sun?(1 point) Responses full moon full
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Using Trend Lines Quick Check5 of 55 of 5 Items Question Use the image to answer the question. A coordinate plane of quadrant 1
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The population growth of a state since 2000 in millions of people is represented by a linear model. Using the trend line,
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The population growth of a city since 1900 is represented by a linear model. Interpret the slope and the y-intercept.(1 point)
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You work for a manufacturing company on a production line that manufactures cell phones. You are paid $20 a day plus $1.50 for
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Use the tables to create scatterplots and determine which scatterplot shows a linear association.(1 point)Responses x 5.0 4.6
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Correlation Quick Check4 of 54 of 5 Items Question Use the tables to create scatterplots and determine which scatterplot shows a
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Use the tables to create scatterplots and determine which scatterplot shows a linear association.(1 point)Responses x 5 8 2 4 6
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Interpret the scatterplot to determine what type of association the scatterplot shows.(1 point)(points on scatterplot:) 1 week -
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Which space exploration activity has most helped astronomers determine the age of the moon?(1 point)Responses placement of
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Introduction to Space Quick Check2 of 42 of 4 Items Question What is the purpose of the NASA Star Finder?(1 point) Responses To
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Leona wants to investigate middle school students’ study habits. She thinks that there is a relationship between the amount of
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A company sells various sized jewelry boxes that are in the shape of cubes. Which volume of cubes has rational number side
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A company sells various sized jewelry boxes that are in the shape of cubes. Which volume of cubes has rational number side
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Triangle P is similar to triangle Q. Triangle P has two angles with measures of 41°and 82° . Which two angle measures could be
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A system of equations is shown below. Which statement about the ordered pair (-7, -3) is true?3x+3y=−30 2x+y=−17 (1 point)
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k has had 199,792,458 visitors since it opened. Which number, written in scientific notation, is the best approximation of the
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The best way to avoid food poisoning is to(1 point) Responses follow food safety rules. follow food safety rules. only wash
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The Walker and Baldwin families ordered lunch at the refreshment stand at the basketball game. The Walker family ordered 4 hot
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Kristin bought two sunflower plants. Plant A is 8 inches tall and is growing at a rate of 3 inches per week. Plant B is 12
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Miles and Emma are buying jam and pies at a farm stand. Mrs. Moore sells all jars of jam for the same price. She also sells all
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Miles and Emma are buying jam and pies at a farm stand. Mrs. Moore sells all jars of jam for the same price. She also sells all
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Use the elimination method to solve the follow system of equations.9x−7y=22 x+3y=−24 This question requires you to show your
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Tatum wants to solve the following system of equations by using the elimination method. What integer should she multiply the
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Which of the following systems of equations has the solution (-2, 1)?This question requires you to show your work. (1 point)
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Solve the system of equations by substitution.−4x+4y=−40 y=3x−4 This question requires you to show your work. (1 point)
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Determine the number of solutions of this system of linear equations:x+2y=−4 4x+8y=−16 This question requires you to show
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Determine the number of solutions of this system of linear equations:−x+y=3 −2x+2y=3 This question requires you to show your
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Solve the system of equations graphed below.(1 point) Responses (0,−5) open paren 0 comma negative 5 close paren (−5,2) open
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The Baynard High School Boosters are selling hot dogs and pretzels at the concession stand. They have 300 hot dogs and pretzels
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QuestionThe Spanish Club at Santa Fe Middle School wants to sell mini quiches to raise money for a field trip. The culinary
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Solve this real-world problem using a system of equations. The O’Donnells are having a birthday party for their son, and they
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Solve this real-world problem using a system of equations. The O’Donnells are having a birthday party for their son, and they
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The Jackson Jammers are giving away bags and caps at their next game. The bags, b, cost them $10 each, and the caps, c, cost
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The senior class at Hartford High School is planning their prom. They’ve narrowed the location down to two choices. The Regal
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Akeem wants to have a lemonade stand at the community fair. It costs him $2 to make each cup of lemonade plus a $40 renter's fee
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Mrs. Gonzalez is going to rent a car for a business trip for one week. The total cost, C, for Top-Notch Car Rental is $150 plus
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At the Henderson Middle School awards ceremony, the principal is going to honor outstanding students with gift cards. The gift
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How many solutions does the system have?12x−15y=18 4x−5y=6 (1 point) Responses one solution one solution two solutions two
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How many solutions does the system have?12x−15y=18 4x−5y=6 (1 point) Responses one solution one solution two solutions two
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Solve the system of equations.3x−4y=40 5x−5y=55(1 point) Responses (18, 7) left parenthesis 18 comma 7 right parenthesis
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Solve the system of two equations using elimination with multiplication.4x−6y=−48 −2x+4y=30 (1 point) Responses (−3, 6)
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How many solutions does the system of equations have?8x−6y=48 8x+6y=48 (1 point) Responses one one two two infinite infinite
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Solve the system of two linear equations.−3x−4y=−23 3x−5y=5 (1 point) Responses (−5, 2) left parenthesis negative 5
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How many solution(s) does the system of equations have?−5x+y=−18 10x−2y=36(1 point) Responses none none one one infinite
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Solve the system of equations.−4x+6y=38 x−5y=−20(1 point) Responses (−35, −3) left parenthesis negative 35 comma
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Solve the system of equations.3x+y=2 7x−4y=30 (1 point) Responses (2, −2) left parenthesis 2 comma negative 2 right
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Solve the system of equations.2x+6y=−18 x=5y−1(1 point) Responses (4, 1) left parenthesis 4 comma 1 right parenthesis (5.25,
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Solve the system of two equations using substitution.y=2+3x 4x−3y=−16 (1 point) Responses (2, 8) left parenthesis 2 comma 8
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Solve the system of equations.5x+2y=14 x−6y=22 (which one)
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Solve the system of equations.8x−3y= −22 y=10+4x
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Determine the number of solutions to this system of linear equations:y=x+5 y=−x+5(1 point)
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Why do the stars and the constellations in the sky appear to change positions throughout the night and throughout the year?(1
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How do railroads continue to play a role in South Carolina’s economy today?(1 point) Responses Trains are the most widely used
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QuestionHow has the creation of ports impacted South Carolina’s economy? (1 point) Responses They provide recreational
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Why were interstate highways initially built?(1 point) Responses to accommodate the increasing number of automobiles to
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What post-war industry became more important in South Carolina due to new roads?(1 point) Responses tourism tourism agriculture
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In what case did the Supreme Court rule that primary elections had to be open to all races?(1 point) Responses Briggs v. Elliott
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QuestionWhat group made up most of the membership of the Dixiecrats? (1 point) Responses former Confederates former Confederates
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Which of the following tactics was NOT used by civil rights groups?(1 point) Responses organizing sit-ins organizing sit-ins
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After World War II, what type of laws did Congress concentrate on passing?(1 point) Responses civil rights civil rights homeland
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QuestionA function of the female reproductive system is to provide a nourishing environment in which a fertilized ________ can
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During puberty, you may find yourself on a roller coaster, one minute you feel like crying and the next minute you are on top of
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QuestionAfter neglecting to look before diving into the pond, your friend hits his head on a rock and disrupts his
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10 of 2110 of 21 ItemsQuestion When you are walking, you rely on this part of your brain to keep you balanced and your muscles
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QuestionIf you touch a pot that just came off the stove and it is hot, your body sends ______ to the brain so that you move your
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QuestionDuring the exchange of air in your lungs, your body seeks to keep oxygen and release ______________ which will then exit
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It is the middle of the winter and like everyone else you have caught a cold, your body relies on your ___________ to help boost
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QuestionThe blood vessels that return blood to the heart from the rest of the body are (1 point) Responses capillaries.
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Your elbow and knee are examples of(1 point) Responses ligaments. ligaments. joints. joints. cartilage. cartilage. angles.
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The peppered moth is a species of European night-flying moth. Prior to the industrial revolution in Europe, the majority of
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What two factors keep Earth in orbit and around the Sun and the Moon in orbit around Earth?(1 point) Responses force and speed
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Static electricity happens when electrons pass from one object to another, such as from your hair to a comb as you comb your
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Infant car seats are made to face the rear of the car. This is safer in a front end collision because of Newton's First law.
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A farmer is using a new strain of genetically modified corn. The corn contains genes from the fungus Bacillus thuringiensis.
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An onion farmer finds that, after long drought, some of his onion plants are still alive. Which best explains why these onion
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An organism lives in an isolated lake located in a deep cavern. The lake is static, or unchanging, due to isolation. What method
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Kira and Jaden conducted an experiment to test which soil would be BEST for growing plants. They used sand, silt, and clay. They
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