Questions and answers by

Miea

Questions (38)

Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with
1. 3 answers
2. 16 views
What is another way to write the expression 2(x+1)(x+2) ?(1 point) Responses 2x2+3x+2 2 x squared plus 3 x plus 2 2x2+6x+4 2 x
1. 1 answer
2. 15 views
Which expression is equivalent to (z+4)(z−4) ?(1 point) Responses z2+4z−4z−16 z squared plus 4 z minus 4 z minus 16
1. 1 answer
2. 13 views
Use the Distributive Property to verify which expression is equivalent to (x−5)(x−3) .(1 point) Responses x2−2x+15 x
1. 1 answer
2. 24 views
Use the Distributive Property to find which expression is equivalent to 9x2−25 .(1 point) Responses (4.5x+12.5)(4.5x−12.5)
1. 1 answer
2. 19 views
According to the Distributive Property, which is a way to rewrite the algebraic expression (3x−1)(x−4) ?3x2+6x+4
1. 1 answer
2. 12 views
Identify two expressions that will be equivalent to 2x2−8x−10 when distributed. Enter the option with the lesser number
1. 1 answer
2. 16 views
From first to last, order the steps to prove that expression A is equivalent to expression B.Expression A: (x+4)(x−2)
1. 1 answer
2. 15 views
Use the Distributive Property to rewrite the polynomial (x+8)(x−2) .__x^2 +__x + __
1. 1 answer
2. 15 views
Which of the following belongs in an objective summary?A. statistical data from the text B. important supporting details C.
1. 1 answer
2. 20 views
Which of the following belongs in an objective summary?statistical data from the text important supporting details related
1. 1 answer
2. 15 views
Which of the following belongs in an objective summary?(1 point) Responses the text’s details the text’s central idea the
1. 1 answer
2. 34 views
Which of the following defines the atomic number of an atom?the number of electrons, protons, and neutrons the number of protons
1. 1 answer
2. 10 views
Which element has six valence electrons?phosphorus (P) carbon (C) lead (Pb) oxygen (O)
1. 1 answer
2. 14 views
Which property do the elements in each column of the representative elements series of the periodic table have in common?number
1. 1 answer
2. 19 views
What information does an introduction provide for readers?A. An introduction helps readers identify the claim or central idea.
1. 1 answer
2. 44 views
What information does an introduction provide for readers?An introduction helps readers identify the claim or central idea. An
1. 1 answer
2. 32 views
Which of the following correctly demonstrates the Associative Property of Addition?m⋅(x⋅y)=(m⋅x)⋅y y−(x+1)=(y−x)+1
1. 1 answer
2. 17 views
Which of the following correctly demonstrates the Associative Property of Addition?m⋅(x⋅y)=(m⋅x)⋅y m times left
1. 1 answer
2. 10 views
Which of the following expressions could you rewrite using the Associative Property?A. (9⋅5)⋅(8⋅3) B. (5+8)⋅3 C.
1. 1 answer
2. 13 views
Which of the following expressions could you rewrite using the Associative Property?(1 point) Responses (9⋅5)⋅(8⋅3)
1. 1 answer
2. 25 views
Which statement describes the properties of lanthanoids and actinoids?They are brittle and dull, and they tend to conduct both
1. 1 answer
2. 14 views
How does mercury differ from other metals?It is not solid under normal conditions. It does not conduct electricity. It does not
1. 1 answer
2. 11 views
What is unique about how the periodic table of the elements is organized?Elements with similar properties are grouped together
1. 1 answer
2. 38 views
The Nike of Samothrace, a famous Greek sculpture, was inspired by _______.birds in flight love war The people of Greece
1. 1 answer
2. 15 views
Two-Dimensional materials are _______.(1 point) Responses materials only used during the Renaissance materials artists avoided
1. 1 answer
2. 27 views
humanoid figures in words of art are ________modeled after their artist depicted as having human characteristics or form
1. 1 answer
2. 16 views
_________ is the degree of light or dark in artworkValue Texture Contrast Space
1. 1 answer
2. 21 views
Which step contains an error using the Commutative Property of Addition in verifying 8+x2+17x−x2+4=10+4x2+10x−4x2+2+7x ?Step
1. 1 answer
2. 14 views
Substituting 1 for x in the equation 5x + 3=x⋅5 + 3 is a test case for which property?The Associative Property of Addition The
1. 1 answer
2. 8 views
Use the Commutative Property to determine the missing step in proving the equivalence of 12a+10+a=10+a+12a .Step 1: [missing]
1. 1 answer
2. 28 views
Which of the following correctly demonstrates the Commutative Property of Addition?(1 point) Responses 123+456=579 abcxyz=zyxcba
1. 1 answer
2. 20 views
Which of the following correctly demonstrates the use of the Commutative Property of Multiplication?3(b10+4)=3(4+b10)3
1. 1 answer
2. 13 views
An equation can be broken down into expressions, terms, variables, constants, and coefficients.In the equation 0.4−7x=3 , what
1. 1 answer
2. 40 views
Given the equation 8x−3y=2x+9y , which of the following statements is correct?Responses There are four variables. 8, −3, 2,
1. 1 answer
2. 16 views
Julio and Ashley went to the drive-in theater. They paid an entry fee for the car and individual entry fees for themselves.
1. 1 answer
2. 21 views
Which of the following bonds is the strongest?1. hydrogen bonds 2. covalent bonds 3. metallic bonds 4. valence bonds
1. 1 answer
2. 8 views
Which of the following bonds is the strongest?hydrogen bonds covalent bonds metallic bonds valence bonds
1. 1 answer
2. 8 views