Discover Fun & Interactive Middle School Learning Resources

21. Which type of reaction is shown below?BaCl2(aq) + K2CO3(aq) BaCO3(s) + 2 KCl(aq)A)DecompositionB)Double replacementC)Single replacementD)Combustion
2 Answers
Given a rectangle with the following dimensions: Area = 100 units squared Length = x + 10 units Width = x units Find the value of x by completing the square method
1 Answer
Sweating when it is hot outside is an example of which characteristic of life?
2 Answers
Tambin en espaol en mi diario todos los das y con Carlos hablar espaol en la casa. mucho espaol!
2 Answers
Plz help. Im trying but I cant. Figure this one out. Mainly because the equations arent lined up accordingly with the variables
1 Answer
3Select the correct answer.In right triangle ABC, 2C is a right angle and sin A = sin B. What is m ZA?A.30B.45C.60D.75
1 Answer
It takes 3 men 8 hours to paint a house. At the same rate, how long will it take 9 men to paint 3 such houses? ( with explanation )
1 Answer
Elastic energy is stored when an object is stretched. Is this an exampleof potential or kinetic energy?A. NeitherB. BothdC. KineticOD. PotentialReset Selection
1 Answer
You have left the carton of milk out of the refrigerator overnight and it hasspoiled. This is an example of aA. Physical propertyOB. Physical changeOC. Chemical propertyD. Chemical changeReset Selection
1 Answer
Which type of graph is typically not used for quantitative data?Select one: A Box plot B Circle Graph C Dot plot D Bar graph E Histogram
1 Answer
Will give brainliest to best answer Calculate
2 Answers
Which of the following statements is the most likely explanation for plant withering due to leaky membranes in cold temperatures?A. Too many H+ ions accumulate inside the thylakoid, so ATP synthase makes too little ATP.B. Too many H+ ions accumulate inside the thylakoid, so ATP synthase makes too much ATP.C. H+ ions do not accumulate inside the thylakoid, so ATP synthase makes too little ATP.D. H+ ions do not accumulate inside the thylakoid, so ATP synthase makes too much ATP.
1 Answer
Will give brainliest to bets answer Simplify
1 Answer
Write an equation in slope-intercept form for a line that passes through the two points (-2,-5) and (-4,3). Show your work.
1 Answer
An element is:A. A compound formed when different atoms react and form bonds with each other.B. A pure chemical compound consisting of multiple atomic numbers.C. A pure chemical substance consisting of one type of atom.D. Two or more compounds that are mixed together but not chemically bonded.Reset Selection
1 Answer
Use proportional reasoning to determine the value of a in the proportion shown below. Three-fifths = StartFraction a + 5 Over 25 EndFraction
2 Answers
Solving a Proportion Use proportional reasoning to determine the value of a in the proportion shown below. Three-fifths = StartFraction a + 5 Over 25 EndFraction a = 1 a = 25 a = 10 a = 15
2 Answers
Zinc (Zn) reacts with hydrochloric acid (HCI) and produces hydrogengas. This is an example of:A. A new substance is formedB. A change in composition at the atomic level.C. All of theseD. A chemical change.Reset Selection
1 Answer
The domain of a function is always equal to which one of the following options?
2 Answers
2 PcWhat energy transfer is occurring when you make a call on a phone?A. electrical to chemicalB. heat to soundC. electrical to soundOOD. chemical to lightReset Selection
1 Answer
WILL GIVE BRAINLIEST AND 25 POINTS! And Hektor knew the truth inside his heart, and spoke aloud: No use. Here at last the gods have summoned me deathward. I thought Deiphobos the hero was here close beside me, but he is behind the wall and it was Athene cheating me, and now evil death is close to me, and no longer far away, and there is no way out. The Iliad of Homer, Richard Lattimore What does Hektor realize in this passage? A. Achilles is vulnerable B. Athene tricked him C. Deiphobos helped him What ancient Greek belief do Hektors thoughts most clearly reflect? A. the importance of courage B. the influence of the gods C. the value of strength
2 Answers
What energy transfer is occurring when you make a call on a phone?A. electrical to chemicalB. heat to soundC. electrical to soundD. chemical to lightReset Selection
2 Answers
3( - 3) - 2( 4) = 4
2 Answers
29. Which of the following substances are soluble in water? Select all that apply.A)NaclB)AgNO3C)AgelD)KNO
2 Answers