Answer:
y = 4
Step-by-step explanation:
-12= -3y
Divide both sides of the equation by
the same term
Simplify
Divide the numbers
Cancel terms that are in both the
merator and denominator
Move the variable to the left
y = 4
D. Because a number is irrational if it doesn't terminate or if it repeats over and over
Rectangular pyramid and triangular pyramid.
This is a square with area 36 in^2
So dimensions are 6 * 6 ins and perimeter = 24 ins.
Answer:If she buys 60 tiles, the cost at both shops is the same.
If she buys less than 60 tiles, then the second shop is cheaper.
If she buys more than 60 tiles, then the first shop is cheaper.
Step-by-step explanation:
Explanation:
Let the number of tiles be
x
At the first shop: Cost =
$
0.79
×
x
+
$
24
=
0.79
x
+
24
At the second shop: Cost =
$
1.19
×
x
=
1.19
x
If the cost is the same:
1.19
x
=
0.79
x
+
24
←
solve for x
1.19
x
−
0.79
x
=
24
0.4
x
=
24
x
=
24
0.4
x
=
60
tiles
If she buys less than 60 tiles, then the second shop is cheaper.
If she buys more than 60 tiles, then the first shop is cheaper.
