Hi,
We know that:
a² -- b² = (a -- b)(a + b).
With a = x, and b = 4, we have:
x² -- 16 = x² -- 4² = (x -- 4)(x + 4).
As simple as that. Have you understood ?
Green eyes.
The geometric mean between the measures of the two segments of the hypotenuse.
=3,915
product is use for multiplying
Answer:
76 cents
Step-by-step explanation:
23 inches = 92 cents
1 inches = 92 ÷ 23
= 4 cents
19 inches = 19 × 4
= 76
Answer:
8.18
Step-by-step explanation:
<u>r = square root of A/ pi </u>
R = square root 210/ 3.14
I hope the <u><em>formula</em></u> helped!