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3 years ago

How do you check your work after finding x

Mathematics

1 answer:

Sergio039 [100]3 years ago

3 0

Answer:

replace the x with (*answer)

example 2x+5=13

say your answer is 4 then change it to 2(4)+5=13

and solve it should make the sum

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find an equation of the line satisfying the given condition in standard form . Through {0, -35/3} ; slope 7/3

Nostrana [21]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis.

According to the statement data we have:

$m = \frac {7} {3}$

Thus, the equation is of the form:

$y = \frac {7} {3} x + b$

We substitute the given point and find the cut-off point:

$- \frac {35} {3} = \frac {7} {3} (0) + b\\- \frac {35} {3} = b$

Finally, the equation is:

$y = \frac {7} {3} x- \frac {35} {3}$

We manipulate algebraically to obtain the standard form:

We multiply by 3 on both sides of the equation:

$3y = 7x-35\\3y-7x = -35$

We multiply by -1 on both sides:

$7x-3y = 35$

Answer:

$7x-3y = 35$

6 0

4 years ago

If f(x) = 5x, what is f-1x

Georgia [21]

Answer:

The inverse function is 1/5x

Step-by-step explanation:

f(x) = 5x

We want to find the inverse

y = 5x

Exchange x and y

x = 5y

Solve for y

Divide by 5

1/5x = y

The inverse function is 1/5x

7 0

4 years ago

What two equations are in this graph (slope intercept form if you can)

xenn [34]

Answer:

use rise over run! this means "rise" (being the change in y, going up or down) divided by the "run" (being the change in x, going from left to the right).

Step-by-step explanation:

3 0

3 years ago

One maid can clean the house four times faster than another. Working together they can clean the entire house in 4 hours. How lo

stich3 [128]

5 hours long would it take the faster maid cleaning alone.

What is a linear equation in math?

A linear equation only has one or two variables.
No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.

Suppose, time taken by faster maid be x , hours.

So, time taken by slower maid ,

$x_{2} = 4x_{1}$ ( 4 time faster maid )