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professor190 [17]
3 years ago
5

Part A: Create a system of linear equations with no solution. In two or more complete sentences, explain the specific characteri

stics that you included in each equation to ensure that the system would not have a solution.
Part B: Using one of the equations that you created in Part A, create a system of linear equations that has one solution (x, y). Use substitution to solve the system.
Mathematics
1 answer:
djyliett [7]3 years ago
8 0
I need this problem solved in a mathematical equation type way, for AP/DC Physics.
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A submarine travels 19 miles in 1/2 hour. Write an equation to find out how long it will take the submarine to travel 57 miles a
egoroff_w [7]

Answer:

1 1/2 hours

Step-by-step explanation:

19m = 1/2h

57m = xh

19 = 1/2

57 = x

19x = 1/2 (57)

19x = 28.5

÷19. ÷19

x = 1 1/2

8 0
3 years ago
Jeff worked 4 2/3 hours in the morning and 3 3/4 hours in the afternoon. How many total hours did he work today?
Rainbow [258]
If you would like to know how many total hours did Jeff work today, you can calculate this using the following steps:

4 2/3 hours in the morning + 3 3/4 hours in the afternoon = 4 2/3 + 3 3/4 = 14/3 + 15/4 = 56/12 + 45/12 = (56 + 45) / 12 = 101/12 = 8 5/12 hours

Jeff worked 8 5/12 hours in total.
7 0
2 years ago
A scale mode of a building is 8 in. by 12 in. The scale is 1 in:15 ft. What are the dimensions of the actual building? (*you nee
VikaD [51]

Answer:

120 ft by 180 ft

Step-by-step explanation:

If every inch is 15 feet multiply 8 inches by 15 and then 12 by 15 to get your dimensions

15 * 8 = 120

15 * 12 = 180

120 x 180 feet

Convert to inches if needed.

1440 inches by 2160 inches

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2 years ago
A math test has 12 multiplication problems and 24 division problems.
OleMash [197]

Answer:

the answer is 1/2

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3 years ago
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On her way to visit her parents, Jennifer drives 265 miles in 5 hours. What is her average rate of speed in miles per hour?
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Answer:

53 miles per hour

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2 years ago
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