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In the system of equations below, k is a constant. If the system has infinitely many solutions, what is the value of k? 3x - 7y = k -6x + 14y = 20 a) k = 10 b) k = -10 c) k = 20 d) k = -20
asked
Nov 19, 2024
Mathematics
high-school
1
answer
121k
views
What is the mass number (atomic mass) of oxygen and sulfur atoms? Option 1: Oxygen - 16, Sulfur - 32 Option 2: Oxygen - 15, Sulfur - 33 Option 3: Oxygen - 18, Sulfur - 34 Option 4: Oxygen - 14, Sulfur
answered
Oct 28, 2024
Chemistry
high-school
1
answer
169k
views
Simplify the expression. -9(a + b) - 3a
asked
Oct 13, 2024
Mathematics
high-school
1
answer
83.7k
views
Explain how life in cities improved in the late 1800s and early 1900s. be sure to describe innovation in public transportation and travel as well as how technology helped solve some of the problems of
answered
Aug 27, 2024
History
high-school
1
answer
54.8k
views
A car traveling with an initial speed of 25 m/s decelerates at −5 m/s2 to a complete stop. What best approximates the distance the car travels during its deceleration?
answered
Aug 9, 2024
Physics
high-school
1
answer
90.5k
views
Once you've made a perception, you should evaluate its accuracy. A) True B) False
answered
May 7, 2024
Social Studies
high-school
1
answer
22.5k
views
Explain the roles of African Americans and women in the military in World War II. What prejudice did these groups face?
asked
Oct 14, 2023
History
college
1
answer
226k
views
15) The U.S. Constitution establishes a federal system of government. Which statement best describes a federal system of government? A) a Bill of Rights protects individual liberties C) the people elect
asked
Jul 24, 2023
Social Studies
college
1
answer
33.9k
views
A rectangular prism has a length of 20 inches, a width of 11 inches, and a height of 13 inches. What is the volume in cubic inches of this rectangular prism?
asked
Jul 15, 2023
Mathematics
college
1
answer
180k
views
What is the product? [4 2] x
asked
Jun 24, 2023
Mathematics
college
1
answer
153k
views
On March 8, 2017, one South African rand was worth 0.08 U.S. dollars.(a) On that date, how many dollars was 168.18 rand worth?Round your answer to the nearest hundredth of a dollar.dollars(b) On that date,
asked
Apr 18, 2023
Mathematics
college
1
answer
144k
views
Solve the system of equation by substitution. y=-3x+20y=-2x+12
asked
Apr 11, 2023
Mathematics
college
1
answer
44.6k
views
Please answer with show work. Trigonometry!
asked
Mar 1, 2023
Mathematics
high-school
1
answer
195k
views
The language of Nubia was similar to the launguage of ______ a france b egypt c mexico
answered
Mar 1, 2023
History
college
2
answers
161k
views
If you are to write a novel and you want to pattern it from someone else work what do you call this
answered
Jan 17, 2023
English
college
1
answer
151k
views
What is the first term in the sequence for which d = -2 and a7 = 3? a. -6 c. 15 b. 12 d. -12
answered
Dec 26, 2022
Mathematics
high-school
2
answers
107k
views
COMPRÉ 30 LIBROS A 40 BS CADA UNO ; VENDÍ UNOS CUANTOS A 360 BS, A 36 BS CADA UNO. ¿ EN CUANTO DEBO VENDER CADA UNO DE LOS RESTANTES DE LOS LIBROS PARA NO PERDER NI GANAR NADA?
answered
Sep 11, 2022
Mathematics
high-school
1
answer
214k
views
Biggest county in Florida
asked
Aug 14, 2022
Geography
college
2
answers
194k
views
Un numero entero y racional
answered
Aug 12, 2022
Mathematics
college
1
answer
177k
views
An egg is dropped into a highly concentrated Kool-Aid solution made of 99% Kool-Aid powder and 1% water. What process would you expect to occur across the egg membrane?
asked
Jul 13, 2022
Biology
middle-school
1
answer
153k
views
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