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Simplify the algebraic expression by combining like (or similar) terms. 2x+3y2−3−y2+x−3 2 x + 3 y 2 − 3 − y 2 + x − 3
asked
Feb 27, 2019
Mathematics
middle-school
1
answer
5
votes
226k
views
Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have? If the variable n represents the number of nickels, then which of the following
asked
Feb 19, 2019
Mathematics
middle-school
2
answers
3
votes
33.8k
views
Which of the following is a characteristic of science? It asks questions about the natural world. It asks questions that cannot be tested. It is done by only one scientist at a time. It uses opinions to
asked
Dec 27, 2018
Biology
middle-school
2
answers
2
votes
174k
views
You have learned that earth lithosphere is made up of many plates.How do you think this fact might help scientist solve the mystery of the moving continents
asked
Oct 20, 2018
Geography
middle-school
1
answer
1
vote
230k
views
Prove that sinA-sin3A+sin5A-sin7A/cosA-cos3A-cos5A+cos7A= cot2A
asked
Sep 25, 2018
Mathematics
high-school
1
answer
1
vote
126k
views
Some colonists celebrated the dramatic act of defiance known as the
asked
Jul 22, 2018
History
middle-school
2
answers
3
votes
57.3k
views
_______ includes the physical and intellectual contributions people make while working. Government Capital Labor Entrepreneurship
asked
Jul 9, 2018
Business
college
2
answers
4
votes
694
views
Explain how the product compares to the factor 6/4
asked
Jun 28, 2018
Mathematics
middle-school
1
answer
1
vote
94.9k
views
How does health affect the endocrine system?
asked
Jun 25, 2018
Health
college
2
answers
2
votes
85.1k
views
Which word best completes the conversation? Carla: Ayer te mandé un correo electrónico. ¿Lo ______________? Jaime: Sí, recibí tu correo electrónico. Answer choices: *mandaste*recibieron*mandaron*recibiste
asked
Apr 8, 2018
Spanish
high-school
2
answers
0
votes
87.3k
views
When the hydronium and hydroxide ions combine, what forms?
asked
Nov 26, 2017
Health
high-school
1
answer
3
votes
197k
views
What is stream-of-consciousness writing? A. writing that uses only very formal words B. writing that represents the flow of thoughts and images in a character’s mind C. writing composed of complex sentences
asked
Mar 21, 2017
English
high-school
2
answers
4
votes
45.5k
views
How did America and Britain solve the problem of the Berlin blockade?. . by transporting essential supplies to West Berlin using cargo planes. . by using North Atlantic Treaty Organization troops to break
asked
Mar 18, 2017
History
high-school
2
answers
5
votes
179k
views
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