4 years ago

X+y=14; 2x-2y=14 inconsistant, dependent or neither

Mathematics

1 answer:

hammer [34]4 years ago

4 0

You looking for x and y right ?

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Simplify the expression. (5+i)(2-7i)

scZoUnD [109]

Answer:

17-33i

Step-by-step explanation:

Multiply using the foil method than combined the real and imaginary parts of the expression

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3 years ago

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Ilia_Sergeevich [38]

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3 years ago

Question 4. Which percent is equivalent to 3/8? A) 375% B) 3.75% C) 37.5%

amm1812

3/8 = 0,375
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4 years ago

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DaniilM [7]

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Step-by-step explanation:

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3 years ago

What is the slope of the line that passes through (2, 12) and (4, 20)?On the graph of the equation 3x + 2y = 18, what is the val

Paha777 [63]

Answer: The slope of the line that passes through (2, 12) and (4, 20) is 4.

The value of the y-intercept is 9.

Step-by-step explanation:

Slope of line passing through (a,b) and (c,d) = $\dfrac{d-b}{c-a}$

Then, the slope of the line that passes through (2, 12) and (4, 20) = $\dfrac{20-12}{4-2}$

$=\dfrac{8}{2}=4$

So, the slope of the line that passes through (2, 12) and (4, 20) is 4.

To find the y-intercept of 3x + 2y = 18, first write in slope intercept form y=mx+c ( where c= y-intercept ).

$2y=-3x+18\\\\\Rightarrow\ y=-\dfrac{3}{2}x+9$

By comparison, c= 9

Hence, the value of the y-intercept is 9.

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3 years ago