Is this question correct ?
Answer:
<em>Jack scored a total of -40</em>
Step-by-step explanation:
<u>Arithmetic</u>
Jack took a test where the correct answers are given as positive numbers and the incorrect answers are negative numbers.
The scores were
-65,-10,-15,20,30
The total score is the arithmetic sum of all scores, including their signs:
Total score: -65-10-15+20+30
Total score: -40
Jack scored a total of -40
The second one if im not wrong
Answer:
38.62
Step-by-step explanation:
You can figure this out by converting these to a positive number, then subtracting the lower number from the higher number.
Answer:
BD is 2x1
CA is 2x1
BC is 2x3
(i think)
Step-by-step explanation: