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Questions (47)

Use the following multiplication problem to show how multiplying polynomials is a closed system. (x2−1)(−2x+5)
1. 3 answers
2. 82 views
in 1–2 sentences, explain why the following operation is a closed system under subtraction. (9x2+17x+13)−(2x2+12x+11)
1. 3 answers
2. 24 views
Use the Distributive Property to prove that these algebraic expressions are equivalent. Explain your answer in one sentence for
1. 1 answer
2. 42 views
Use the Associative Property to demonstrate that Expression 1 is equivalent to Expression 2.Expression 1: 22r−13 Expression 2:
1. 3 answers
2. 34 views
Using the Commutative Property, prove that these algebraic expressions are equivalent. In 1–2 sentences, explain your result.E
1. 1 answer
2. 54 views
Which of the following correctly simplifies (9x2+17x+13)−(2x2+12x+11) ?(1 point) Responses 12x2+2 12 x squared plus 2
1. 1 answer
2. 22 views
Add the polynomial expressions 5z−2z2−4z+5 and 6z2+3−7z .(1 point) Responses 4z2−z+8 4 z squared minus z plus 8
1. 1 answer
2. 22 views
Which of the following simplifies to the same expression as 4x2−3x2+5x−24 ?(1 point) Responses (x+8)(x−3) left parenthesis
1. 1 answer
2. 18 views
Which expression is equivalent to −3x−5 ?(1 point) Responses (x−7)+(2−4x) (−4x−6)+(2+5x) −1+3x−(2x+6)
1. 1 answer
2. 18 views
Which expression correctly demonstrates the Commutative Property of Multiplication?(1 point) Responses15⋅x⋅4=4+15+x
1. 1 answer
2. 43 views
Antoine goes to the mall to buy new shoes and jerseys. He pays a set rate per pair of shoes and a set rate per jersey, and he
1. 1 answer
2. 134 views
_______ refers to implied motion. (1 point) Responses Movement Variety Emphasis Rhythm
1. 1 answer
2. 19 views
_____ occurs when similar elements are combined in a way to accent their similarities. (1 point) Responses Emphasis Harmony
1. 1 answer
2. 27 views
Frank grew up listening to the radio in the 1940s and 1950s. Getting his news from NPR is still one of his favorite things to do
1. 1 answer
2. 26 views
The Public Broadcasting Act of 1967 changed radio news by creating what?(1 point) Responses Public Broadcast System
1. 1 answer
2. 41 views
Kai works for United Press International. How will the story Kai writes about an attempted coup in Brazil be used by newspapers
1. 1 answer
2. 30 views
One of Miko’s favorite rituals is sitting down every morning with a cup of coffee to read the morning paper. What is one
1. 1 answer
2. 37 views
In the 1800s, Frederik Douglass started publishing a newspaper called The North Star. What was its intent?to give people daily
1. 1 answer
2. 39 views
What is one type of magazine genre? (1 point) Responses contests contests entertainment entertainment radio radio social media
1. 1 answer
2. 36 views
Alma is working on a newspaper story about a shooting in Miami. However, she is based in Minneapolis and can’t travel to be on
1. 1 answer
2. 33 views
Half of the income for magazine publishers comes from what?subscriptions advertising newsstand sales investors
1. 1 answer
2. 24 views
Write an equivalent expression to 𝑥+(𝑦+𝑧), using the Associative Property of Addition.
1. 3 answers
2. 23 views
Use the Commutative Property of Multiplication to rewrite the algebraic expression: x^10⋅y^20
1. 3 answers
2. 25 views
TNCA is having a play. The student tickets will cost less than the adult tickets. The total earnings from the play can be
1. 1 answer
2. 23 views
Use the list to answer the question.potassium, Group IA calcium, Group IIA iodine, Group VIIA neon, Group VIIIA Which two
1. 1 answer
2. 29 views
Which information about an atom can a period number give you?(1 point) Responses how many energy levels it has the number of
1. 1 answer
2. 31 views
When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?The
1. 1 answer
2. 23 views
Based on the naming rules for ions, which of the following is a negatively charged ion (not a polyatomic ion)?chlorite chlorine
1. 1 answer
2. 31 views
"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy If human-managed bees and bee-friendly flowers are acting as
1. 1 answer
2. 47 views
"Black Panther" Comic Books Belong in Classroom"by David Cutler Opinion: Why ‘Black Panther’ and other comic books belong in
1. 1 answer
2. 41 views
"Why Journalism Has A Gender Problem"by Corinne Segal The journalism industry is severely lacking in leadership by women and
1. 1 answer
2. 21 views
“How a Children’s Toy Could Help Fight Malaria”by Jason Daley One of the most basic and necessary pieces of equipment in a
1. 1 answer
2. 34 views
Find the product: W×G W=3x−2 and G=4x−1(1 point) Responses 12x2−5x−2 12x2−11x+2 7x2−9x−2 x2−10x+2
1. 1 answer
2. 26 views
Johnny wonders if he can relate the sum and difference of two polynomials, using the equations shown. -(K + F) = K - F.Are the
1. 1 answer
2. 29 views
The result of adding 2 polynomials results in another polynomial, meaning that polynomials are closed under addition.True or
1. 1 answer
2. 41 views
Pick the expression for that has the same number of terms as the following expression: 2x2−3x−37x2+3 6x2−9x−8 4x 4x −4
1. 1 answer
2. 25 views
Use the Distributive Property to rewrite the expression and then simplify. 2(x2−x)+6x−3−7xA. −x−3 B. 2x2−x−3 C.
1. 1 answer
2. 46 views
Use the Distributive Property to rewrite the expression and then simplify. 2(x2−x)+6x−3−7x−x−3 2x2−x−3
1. 1 answer
2. 34 views
What are the different types of terms that appear in the polynomial expression?(Select all the apply) 2(x2−x)+6x−3−7x
1. 1 answer
2. 22 views
Between which types of elements do ionic bonds occur, and how do electrons act within the bond?metals and metals, electrons
1. 1 answer
2. 39 views
Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible?An attraction between a
1. 1 answer
2. 30 views
Use multiplication to find the product that demonstrates the Closure Property of multiplication of polynomials.(12x2−3)(4y3+5x
1. 1 answer
2. 42 views
Which of the following responses demonstrates that polynomials form a closed system under multiplication?(x22)(1x)
1. 1 answer
2. 40 views
Multiply to simplify the polynomial expression (r−1)(r2−2r+3) .
1. 5 answers
2. 35 views
Which elements on the periodic table are the least reactive? \(1 point) Responses the group with helium at the top the group
1. 1 answer
2. 37 views
20% of the books in a library are fiction. and the rest are non fiction. When 30% of the fiction books and 15% of the non
1. 1 answer
2. 859 views
A quarterback throws a football toward a re-ceiver with an initial speed of 25 m/s, at an angle of 29◦ above the horizontal.
1. 0 answers
2. 521 views

Answers (6)

can you break it down simpler
can you explain why ?
can you break down in a simpler way and make the answer clearer
can you break it down simpler
can u do this only with the numbers
do this again

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