Answer:
the first one and the third one
Step-by-step explanation:
Answer:
$20
Step-by-step explanation:
7 x __=70
2 x ____=___
7 x 10 = 70
2 x 10
=20
Answer:
19.4
Step-by-step explanation:
16^2+11^2=377
then square 377 which will equal to
19.416 which can be rounded up to 19.4
Answer:
B
Step-by-step explanation:
easy
Answer:
k = 18
Step-by-step explanation:
Given that y varies inversely as x then the equation relating them is
y = 
← k is the constant of variation
To find k use the condition y = 3 when x = 6, that is
3 = 
( multiply both sides by 6 )
18 = k
The constant of variation is k = 18
