Each day it decrease $2. So just multiply $2 x 4 days. It changed a total of $8.
"The product of two irrational numbers is SOMETIMES irrational." The product of two irrational numbers, in some cases, will be irrational. Hope this helps ya out! -Ella
Answer:
a) PR = 17 cm, b) QR = 6 cm
Step-by-step explanation:
∠Q=90, so PQ and QR are legs, and PR is hypotenuse.
Pythagorean theorem PQ² + QR² = PR²
a) PQ² + QR² = PR²
8² + 15² = PR²
PR² = 289
PR = 17 cm
b) PQ² + QR² = PR²
8² + QR² = 10²
64 + QR² = 100
QR² = 36
QR = 6 cm
