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ycow [4]
2 years ago
10

Plz help i need help

Mathematics
1 answer:
Brums [2.3K]2 years ago
7 0
A(3,1) B(2,5) C(4,4)
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The sum of two numbers is 49 and the difference is 25 . What are the numbers?
OLEGan [10]

Answer:

x = 37 y = 12

Step-by-step explanation:

Let x be one number

Let y = other number

x+y = 49

x-y = 25

Add the equations together

x+y = 49

x-y = 25

---------------

2x = 74

Divide by 2

2x/2 = 74/2

x =37

x+y = 49

37+y = 49

Subtract 37 from each side

37+y-37 = 49-37

y = 12

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3 years ago
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Leni [432]

Answer:

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Step-by-step explanation:

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3 years ago
A line passes through the points (0, 4) and (1, 9). What is its equation in slope-intercept
Simora [160]

Answer:

y=5x+4

Step-by-step explanation:

First get slope:

(4-9)/(0-1) = -5/-1 = 5

The y-intercept is where the graph hits the y-axis. That is also the point on the graph where x = 0. We are already given that, with point (0,4).

The y-intercept is 4.

y = mx +b,  m is slope and b is the intercept.

y = 5x +4

7 0
3 years ago
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Step-by-step explanation:

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3 years ago
I need help answering the question
diamong [38]
385=15n+85
385-85=15n
300=15n
300/15=n
20=n
8 0
3 years ago
Read 2 more answers
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