2 years ago

Use the Pythagorean theorem to answer 4 5 and 6

1 answer:

4 0

Okay, the formula for this would be

$a^{2}$ + $b^{2}$ = $c^{2}$

Lets start with 4.

$7^{2}$ + $25^{2}$ = $c^{2}$

Simplify.

49 + 625 = $c^{2}$

674 = c

c = $\sqrt{674}$

c = 25.96

Which is ≈ 26

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Give an equation of a line that is parallel to −3x + 7y =4. Explain why your line is parallel to the given line and how you arri

koban [17]

Answer:

3x -7y = 0

Step-by-step explanation:

Parallel lines have the same slope.

Changing the constant in a linear equation like this only changes the y-intercept. It has no effect on the slope of the line. So, we can change the constant from 4 to 0 and we will have a line with the same slope, parallel to the original, but with a different y-intercept.

The "standard form" of the equation of a line has the leading coefficient positive. We can make that be the case by using the multiplication property of equality, multiplying both sides of the equation by -1.

Parallel line:

-3x +7y = 0

In standard form:

3x -7y = 0