Answer:
52
Step-by-step explanation:
Answer:
B. Pie chart.
Step-by-step explanation:
In this question, the students are asked what political party they belong. The best display format would be one in which the graph can be divided into parts, or percents, according to the percentage of students belonging to each political party. The graph that best describes this, distributing a group into parts, is a pie chart, and thus, the correct answer is given by option b.
Scatterplot is used when two variables correlate together, that is, there is a relationship between them, which we don't have between the number, or proportion of students belonging to each political party. Stemplot are used when there is a high number of quantitative data, which we do not have here.
Answer:
a gain of 3 points
Step-by-step explanation:
8 5/8+ 1 3/8=10
13-10=3
hope this helps
Answer:
Their mass at the start was 400 kg.
Step-by-step explanation:
Given:
The tyres on a car during a grand prix race are reduced in mass by 3%. Their mass is 388 kg at the end of the race.
Now, to find the mass at the start.
<u>Let the mass at the start be 
.</u>
According to question:
⇒
⇒
⇒
<em>Dividing both sides by 0.97 we get:</em>
⇒
Therefore, their mass at the start was 400 kg.
