Answer:
$43 + $6l
Step-by-step explanation:
Hello!
She spends $43 and bus several $6 laces.
We don't know how many she buys, but we know that we can represent that number using <em>l</em>.
That means she spends $43 + $6l.
The algebraic expression is $43 + $6l.
We can determine the price if we know the number of laces she buys. We can simply plug in the number of laces she bought, and we can plug it in for l in the equation.
Answer:
Step-by-step explanation:
pyrhagoras theorem
a^2+b^2=c^2
(
)^2+b^2=7^2
33+b^2=49
b^2=49-33
b=
b=4
therefore the length of the third side is 4
Answer:
3x^2-8x-3y
Step-by-step explanation:
combine like turms and rearrange
Answer:
12
Step-by-step explanation:
The solution to this equation is C (6)
3x - 3 = 15
3x = 15 + 3
3x = 18
3/3 x = 18/3
x = 6