Answer:
x=90 degree
y=30 degree
Step-by-step explanation:
Answer:
B. Birr 750
Step-by-step explanation:
Therefore, 8% of Birr 750 is Birr 60.
The error that occurred is a systematic error.
<h3>
What is random error?</h3>
Random error is a type of error that causes one measurement to differ slightly from the next.
<h3>
What is systematic error?</h3>
Systematic error is a type of error that affects measurements in the same amount or by the same proportion, provided that readings are taken in the same way.
The three measurements 548.5 g, 548.9 g, and 548.7 g differ slightly but in the same amount and proportion.
Therefore, a systematic error occurred during the determination of the mass of the substance because the readings were taken in the same way and the measurement differ in the same amount.
Read more about error in measurement here:
https://brainly.in/question/9800276
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Answer:
21 is the answer
Step-by-step explanation:
The modulus ar absolute symbol...the two straight lines does not take into consideration the positive or negative signs and the answer always remains positive with the same numbers like in this case it is 21.
The answer is 72,
Work-
2(10-24•1/4)+8^2
2(10-6)+64
2(4)+64
8+64=72
