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3 years ago

What is -3x+y=-11 in slope-intcerper form

1 answer:

4 0

The general form of the equation of a straight line is ax+by+c=0

slope = -a/b

so the slope in your equation = 3

to get the y-intercept put x = 0

y = -11

the equation is y = 3x -11

you can also get it by isolating the y , it will give you the same equation

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James used substitution to solve this system of equations which equation could be the result of his first step?

vaieri [72.5K]

Answer: OPTION D.

Step-by-step explanation:

<h3> The compete exercise is: "James used substitution to solve this system of equations. Which could be the result of his first step</h3><h3> $\left \{ {{2x+3y=12} \atop {y=x+1.5}} \right.\\\\\\A.y=2x+3y\\B.y=2x+3y+1.5\\C.2x+3x+1.5=12\\D.2x+3(x+1.5)=12$ "</h3>

Given the sytsem of equations:

$\left \{ {{2x+3y=12} \atop {y=x+1.5}} \right.$

1- Solve for one of the variables from any equation and substitute it into the other equation.

2- Solve for the other variable in order to get its value.

3- Substitute this value back into one of the original equations. and find the value of the other variable.

In this case youu can observe that the second equation is already solved for "y", therefore, in order to use the Substitution Method, the first step is: Substitute the second equation into the first one.

Therefore, the equation that could be the result of James' first step is:

$2x+3y=12\\\\2x+3(x+1.5)=12$

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4 years ago

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NemiM [27]

Answer: base times height divided by two

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3 years ago

Percent decreasebetween80 and 70

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You basically do 80-70 as the numerator of a fraction which should equal 10 and then the denominater should be 80 so you then do 10 divided by 80 and multiply your answer by 100 Hope This Helps You

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3 years ago

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Answer:

Step-by-step explanation:

A factor is a number that can evenly divide into another number.

Let’s list all the factors of both numbers.

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Now find the GCF, or greatest common factor. The biggest number that is a factor of both 26 and 14 is 2.

Therefore, the GCF of 26 and 14 is 2.

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<h2> HOPE THIS HELP PLEASE TOUCH THANKS.</h2>

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