They are perpendicular because when you change 2x+8y=16 to slope intercept form it becomes y= -1/4x+2 and the slope (-1/4) is the negative reciprocal of 4, which is the slope for your other equation.

Please comment if you have any questions :)

6 0

3 years ago

Which of the following correctly relates the measures of the measures of the measures of the diameter (d) and radius (r) of a ci

yaroslaw [1]

Hey!

Diameter is ½ of the radius. To find the radius when you have the diameter, divide by 2.

For example, if the diameter is 12, the the radius would be:

$12 \div 2 = 6$

<em>That means your answer will be C.</em>

$\framebox{Answer is C) r = d/2}$

4 0

3 years ago

Read 2 more answers

20% of the shoes in a factor are black. One shoe is chosen and replaced. A second shoe is chosen and replaced. Then a third shoe

Dafna1 [17]

The probability that none of the shoes are black is 51.2%.

If 20% of the shoes are black, then 80% of the shoes are not black. To find the probability that three shoes are not black, we have to multiply 80% by itself 3 times.

0.8 x 0.8 x 0.8 = 0.512 = 51.2%

4 0

3 years ago

URGENT,!?? To decrease an amount by 4% what single multiplier would you use?

Olegator [25]

We would use for the first part 0.96
Second part we would multiply 500 by 1.046
Multiplying 6 kilometers per hours by 2 1/3, we would get 12 + 2 = 14 km

7 0

3 years ago