1.
2. Common sense property
3. Distributive property…
4. Is transitive property
6. Relfexive
Brainliest woooo
10, 2, 5 hope this helps you
Answer:
r=a.b/(a+b)
Step-by-step explanation:
1/r = 1/a + 1/b
1/r = (b+a)/(a.b)
r/1= r = a.b/(a+b)
Answer:
3 ft
Step-by-step explanation:
a^2 + b^2 = c^2.....a and b are the legs and c is the hypotenuse
4^2 + b^2 = 5^2
16 + b^2 = 25
b^2 = 25 - 16
b^2 = 9
b = sqrt 9
b = 3 <== vertical height is 3 ft
Answer:
positive (20)
Step-by-step explanation:
(−5)(−4)
= 20