Answer:
x=2
Step-by-step explanation:
1+4x=7+x
↦4x-x=7-1
↦3x=6
↦x=6/3
↦x=2
.°. x=2
Hope you understand it
Replacing for values of a and c in the equation
a=20
c=8
m=4a+2c
m=4(20)+2(8)
m=80+16
m=96
Answer:
Hello the answer is
diameter = 49cm;
radius = diameter/2 = 24.5cm;
circumference = 2πr ≈ 153.94 = 154cm
1 revolution = 154cm
50 revolution = 7700cm = 77m
I hope I am correct. also please mark brainliest
Step-by-step explanation:
Answer:
Length of beads altogether in the necklace = 3.75 cm
Step-by-step explanation:
Length of the beads used in a necklace =
cm
Number of beads used in the necklace = 3
Therefore, length of beads in the necklace = Length of each bead × Number of beads used
= 
= 
= 3.75 cm
Length of the beads altogether in the necklace = 3.75 cm
<span>( 2x - 9 ) ( x + 6 )
( 2x ) ( x ) + ( 2x ) ( 6 ) + ( - 9 ) ( x ) + ( - 9 ) ( 6 )
2x² + 12x - 9x - 54
2x² + 3x - 54.</span>