Answer: 1. [-8, 8]
2. [-27, 27]
Step-by-step explanation:
1. |X|≤8
x≤8 or x>=-8
-8<=x<=8 ==> [-8, 8]
2. |X|≤27
x≤27 or x>=-27
-27<=x<=27 ==> [-27, 27]
Answer: The square root of 140 is irrational.
Step-by-step explanation:
Take the square root of 140:
11.8321595662
This is an imperfect square root, and all imperfect square roots are irrational.
Answer:
523.33 mm³
Step-by-step explanation:
The volume (V) of a sphere is calculated using the formula
V = πr³ ← r is the radius = 5, thus
V = π × 5³
= ≈ 523.33 mm³
Answer:
$74.40
Step-by-step explanation:
Answer:
y=54/7
Step-by-step explanation: