Answer:
The sum of the other 4 numbers is 
Step-by-step explanation:
Let
x------> the sum of 6 numbers
y-----> the sum of the other 4 numbers
we know that
-----> equation A
substitute the value of x in the equation A
2n-8+3n=37
5n -8=37
5n=45
n=9
Answer:
there would be 55 different combinations if there were 9 painting and there would be 49 different combinations if there were 8 paintings. i don't know what the first question means
Answer:
10 black marbles
Step-by-step explanation:
Let black marbles be=2x
Then white marbles=5x
Total marbles=7x which in turn is equal to 35. Hence x=5
Black marbles=2*5=10
H2H
An angle is formed by two rays with a common endpoint. The endpoint is the vertex. And the two rays are the sides
Example name - PQR Q is the certex
