The cost of soup, s, varies directly with the number of cans, c. When c is 4, the cost is $3. Which graph represents the cost of
the soup?
2 answers:
we know that
A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form
In this problem
Let
x--------> the number of cans
y-------> the cost of a soup
so
when
substitute
the equation is
using a graph tool
see the attached figure
the answer in the attached figure
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Answer:
Step-by-step explanation:
Given the fraction
Consider its numerator and factor it:
You cann not take the cube root from you can only take the cube root from
, then the smallest whole number
such that
is a cube number is
When
Answer:
Fourth option.
Sixth option.
Step-by-step explanation:
We know that:
- Any number you can find on the number line, is a Real number.
- Integers contains positive numbers, negative numbers and zero. Every Integer is a Rational number.
- A Rational number is that number that can be written in the following form:
Where "a" and "b" are integers ().
- An Irrational number cannot be written as a simple fraction.
- A Whole number is any of the numbers {}. Every Whole number is a Rational number.
- Natural numbers contain the set of positive integers{} or to the set of nonnegative integers {
}, Every Natural number is a Rational number.
Based on this, since is in the form
where
and
, it is a Rational Number and therefore a Real number.