Answer:
option d. perimeter of quadrilateral=35
If the number of positive signs is even and the number of negative signs is odd then it is negative and vice versa. If the number of positive signs is even and the number of negative signs is even then the answer is odd. If the number of positive and negative signs are odd then the answer is always negative.
25/25
1/1
2/2
7/7
18/18/
100/100
Tom started with 20 newspapers on the morning and returned with 8 newspaper.
<h3>Equation</h3>
Equation is an expression used to show the relationship between two or more variables and numbers
Let x represent the amount of newspaper Tom started with.
He Delivered 10 newspapers on Flinders Street, hence:
He Delivered 6 newspapers on Collins Street, hence:
He Picked up 20 newspapers from the newsagent and Delivered 15 newspapers on Lonsdale Street, hence:
- = x - 16 + 20 - 15 = x - 11
He returned home there were eight newspapers in his bag. Hence:
x - 11 = 8
x = 20
Tom started with 20 newspapers on the morning and returned with 8 newspaper.
Find out more on equation at: brainly.com/question/2972832
Answer:
0.45
Step-by-step explanation:
All you do is simplify
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