6x + x = 49
7x=49
x=7
Substitution:
6x=6X7=42
Ivan has 42 blue beads.
And, he has 6 red beads.
Answer:
0.16cm squared
Step-by-step explanation:
area is base times height
the base and height of a square is equal
so it would be 0.4 times 0.4
please mark as brainliest!!!<3
Factorising quadratic expressions
Multiply these brackets to remind yourself how to factorise.
<span><span>( x + 2 ) ( x + 5 ) = x2 + 7x + 10</span><span>( x + 2 ) ( x + 3 ) = x2 + 5x + 6</span><span>( x - 3 ) ( x - 5 ) = x 2 - 8x + 15</span><span>( x + 6 ) ( x - 5 ) = x2 + x - 30</span><span>( x - 6 ) ( x + 5 ) = x2 - x - 30</span></span>
Answer:
S=5
Step-by-step explanation:
Add 3 to the other side. That would make it 15, then divide 15 by 3. S= 5
