Write the difference 20 – (–48) as a sum. Then simplify.

Mathematics

2 answers:

nadezda [96]3 years ago

6 0

The solution of 20–(–48) is 68.

<u>Solution:</u>

To write the difference 20–(–48 ) as sum and simplify,

Multiplication of two negative sign becomes positive. When multiply a negative number by another negative number, the product becomes positive. ⟹20 – (–48)= 20 + 48

Hence the difference 20 – (–48 ) can be written as sum ( 20 + 48 ).

For simplification we add 20 and 48, 20 + 48 = 68.

Salsk061 [2.6K]3 years ago

4 0

Answer:

20-1(-48)Distribute

20 + 48 add

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Write the equation of the line given points (-4,6) and (-8,10)

Advocard [28]

Answer:

the equation of the line in slope-intercept form is: $y=-x+2$

Step-by-step explanation:

First start by finding the slope of the segment that joins those two points using the general formula for the slope of the segments between two points $(x_1,y_1)$ and $(x_2,y_2)$ on the plane:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

Then for our case, calling (-4, 6) = $(x_1,y_1)$ and (-8, 10) = $(x_2,y_2)$ , we have:

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{10-6}{-8-(-4)}\\Slope=\frac{4}{-8+4}\\Slope=\frac{4}{-4}\\Slope= -1$

Now, knowing this, we can find the equation of the line by using the "point-slope" form of a line [of slope "m" and going through the point $(x_0,y_0)$ that tells us: