(e) A box contains 15 bulbs. 6 of the bulbs are spoilt. Two mentols are chosen at random from the box one after another, without replacement. Find the
probability that
Sebuah kotak mengandungi 15 biji mentol. 6 biji mentol
telah rosak. Dua biji mentol dipilih secara rawal daripada
kotak tersebut, satu demi satu, tanpa penggantian. Cari
kebarangkalian bahawa
(i) both of the mentols are spoilt.
kedua-dua biji mentol adalah rosak
(ii) one of the mentols are spoilt.
sebiji mentol adalah rosak
(iii) at least one mentol is spoilt.
sekurang-kurangnya sanı biji mentol adalah rosak.

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!