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Alenkasestr [34]
3 years ago
8

How to classify a system and give the number of solutions

Mathematics
1 answer:
Leokris [45]3 years ago
3 0
1) consistent system. at least one solution.

2) inconsistent system. no solutions (the lines are parallel)

3) dependent system. equations have same slope and y-intercept(same line)independent system.

4) equations have different slopes(2 intersecting lines)

im not sure if thats what you were looking for

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Fill in the other coordinate for the line 7x - 5y = 21: (4, )
garri49 [273]
7x - 5y = 21....(4,?)...so sub in 4 for x and solve for y
7(4) - 5y = 21
28 - 5y = 21
-5y = 21 - 28
-5y = - 7
y = 7/5

check..
7(4) - 5(7/5) = 21
28 - 35/5 = 21
28 - 7 = 21
21 = 21 (correct)

the other coordinate is 7/5......(4,7/5)
8 0
2 years ago
The cost y (in dollars) of renting a segway for x hours is y=30x+25. Find the initial fee and the cost per hour.
Hitman42 [59]

Given:

The cost y (in dollars) of renting a segway for x hours is

y=30x+25

To find:

The initial fee and the cost per hour.

Solution:

We have,

y=30x+25       ...(i)

The slope intercept form of a linear equation is

y=mx+b      ...(ii)

where, m is slope is b is y-intercept or initial value.

From (i) and (ii), we get

m=30,b=25

The value of m is 30, so the slope is 30. It means cost per hour is $30.

The value of b is 25, so y-intercept is 25. It means the initial fee is $25.

8 0
3 years ago
PLEASE HELP!!!!!!! :/
gregori [183]
The answer is 45 when you substitute all the variables in
5 0
2 years ago
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What decimal number is equivalent to73/100
SOVA2 [1]

0.73 is your answerrrrrrrr

7 0
3 years ago
Read 2 more answers
30 POINTS!!!!
DerKrebs [107]

Answer:

B

Step-by-step explanation:

B because only one of the spinners can land on purple

8 0
2 years ago
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