Answer:
a² + b² = 22
Step-by-step explanation:
Note that
(a + b)² = a² + 2ab + b², thus
a² + b² = (a + b)² - 2ab = 6² - (2 × 7) = 36 - 14 = 22
3/16 is the answer to your question.
Answer:
3 < x < 17
Step-by-step explanation:
Given 2 sides of a triangle then the third side x is
difference of 2 sides < x < sum of 2 sides , that is
10 - 7 < x < 10 + 7
3 < x < 17 ← is the range of values for the third side
First we calculate classroom surface:
35*40=1400 square ft
we know that for every 100 square ft 2 or 3 pots can be put
so 1400/100=14
14*2=28
14*3=42
we need 28 or 42 pots
Answer:
1 and 1/2 hours
Step-by-step explanation:
because half of 3 is 1.5 and 1.5 as a fraction is 1 and 1/2