When the value of x is 3, evaluate;
Substitute for the value of x into the parenthesis;
ANSWER:
The expression equals 40 (when x = 3)
Last year, there were 381 students at Woodland Middle School. This year, there are 419 students. What is the percent of change?
1 answer:
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We are given
g is weight of pepperoni in grams
C is the total cost
if each gram costs $5.65
So, 1 gram cost =$5.65
so, g gram cost is
we can term it as C
which means total cost
so, total cost is
or we can write as
................Answer
Using multiplication signal rules, it is found that:
A: Emma's statement is always false.
B: The result is always negative.
C: Emma's statement is always true.
The rule used for this exercise is as follows:
- When two numbers of different signals are multiplied, the result is negative.
- When two numbers have the same signal, the result is positive.
Part A:
- Three numbers are multiplied, all negative.
- The multiplication of the first two result in a positive number.
- Then, this positive number is multiplied by a negative number, and the result will be negative, which mean that Emma's statement is always false.
Two examples are:
Part B:
The rule is that the result is always negative.
Part C:
- The multiplication of the first two negative numbers result in a positive number.
- Then, this positive number is multiplied by another positive number, and the result will be positive, which mean that Emma's statement is always true.
Two examples are:
A similar problem is given at brainly.com/question/24764960