Answer:
2(a+3b)-(b+c)=
2(4+3(2))-(2+3)=
2(4+6)-(5)=
2(10)-5=
20-5=
15
Step-by-step explanation:
Just google it its way easy
Answer:
87.9
Step-by-step explanation:
To get this answer, look at the equation provided.
If x is the amount of cookies and 2.93 is the amount a singular cookie costs, substituting x with the amount of cookies (30) and multiplying that with the cost (2.93) will provide you the final answer/price of 87.9.
Hope this helps!
The cumulative frequency of students who earned a score of 20 or lower on the quiz is option d) 68.
<h3>What is the frequency about?</h3>
The relative cumulative frequency of students in the question is seen as those who earned a score of 20 to be 0.68 or 68 %.
From the question, The cumulative frequency of students who earned a score of 20 or lower on the quiz is:
= 4+8+15+7
=34.
Total frequency is:
= 4+8+15+7+7+3+4+2
=50.
Therefore, the relative cumulative frequency is:
= 34/50
= 0.68
= 68%
Hence, The cumulative frequency of students who earned a score of 20 or lower on the quiz is option d) 68.
Learn more about cumulative frequency from
brainly.com/question/23895074
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