Answer:
Step-by-step explanation:
78 napkins with 4 at each table
78/4 = 19 with 2 napkins left
with 2 napkins left, he will need 2 more to finish the other table
Multiply by square root of 7 divided by the square root of 7 and this gives you (3 root 7 ) divided by 7.
Answer:
Step-by-step explanation:A = 35 given
C = 45 given
B = 180 -35-45= 100 three angles of triangle = 180
Answer:
x=5
Step-by-step explanation:
Set the 2 equations equal to each other and solve for x.
11x-28=7x-8
add 28 to both sides (-8+28=20)
11x=7x+20
subtract 7x from both sides (11x-7x=4x)
4x=20
divide both sides by 4 to isolate x (20/4=5)
x=5
