Hi,
The like terms are 2xy, -xy and (1/2)xy, since they have the same variables and powers.
Volume of a volleyball (a sphere) = 4/3πr³
= 4/3π(11.4)³
= 1975.392π
= 6210 cm³ (to 3 significant figures)
The volume of a volleyball with a radius of 11.4 cm will be 6210 cm³.
<h2>ASA</h2><h2>the first answer for the second question angle JNK is congruent to angle KNJ</h2><h2 />
The length of BC is
.
Solution:
Given ABC is a right triangle.
AC is the hypotenuse and BD is the altitude.
AB and BC are legs of the triangle ABC.
AC = 16 and DC = 5
<u>Leg rule of geometric mean theorem:</u>



Do cross multiplication.



Taking square root on both sides.


square and square roots get canceled, we get

The length of BC is
.
Answer:
-40
Step-by-step explanation:
(-40) divided by 5 is (-8)