Answer:
-40
Step-by-step explanation:
Multiply both sides by the reciprocal of 9/10 to get rid of the fraction
×
×y=-36 ×
y=-36×
y=
y=-40
Keep in mind that whenever you have a variable inside an expression, you have to think of it as a placeholder, hiding a certain value which we haven't specified yet.
Expressions with variables are a mean to express the generic idea underneath the expression, rather than its particular value.
So, an expression like x-7 represents the idea of subtracting 7 from a particular number. Once you give a specific value to x, the expression will become an actual subtraction between numbers, and you will be able to compute its value.
So, we have several values for x, which are several ways to turn our "abstract" subtraction into an actual, computable subtraction.
If
, the expression becomes
and it evaluates to
.
If
, the expression becomes
and it evaluates to
.
If
, the expression becomes
and it evaluates to
.
If
, the expression becomes
and it evaluates to
.
If
, the expression becomes
and it evaluates to
.
Answer:
trees
Step-by-step explanation:
Trees are renewable resources. Trees can be planted, grown up, and harvested for timber. Forests are a different thing, however. A forest is a mature ecosystem.
A -5/8
B -15/24
because -30/48 divided twice will equal -15/24 which explains the second answer and -15/24 divided by three will equal -5/8