Step-by-step explanation:
2/3 is answer .........
Answer:
70%
Step-by-step explanation:
If you add the marbles together you will have 20 marbles.
The probability of choosing a marble that not blue is 14/20
If you converted that into a percent it would be 70%
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Answer:
A=45m²
Step-by-step explanation:
A=bh=9·5=45m²
First, convert the decimals into improper fractions. The fractions are:
31/10 and 10261/1000. To divide the fractions, change division into multiplication after flipping the numerator and the denominator of the second fraction. This comes out to be 31/10 *(times) 1000/10261.
31*1000 is 31,000 and 10*10261 is 102,610. This equals the fraction: 31,000/102,610. Simplify this.
Answer:
c, d
Step-by-step explanation:
a) There are more cars than bike so it should be the opposite for 10th grade students. Therefore, this choice is wrong.
b) There are more cars than any other choice for 11th graders. Therefore, it should be more than 1/2 of the 11th grade students travel by car not less than.
c) In 11th grade, 27 people ride bikes. In 9th grade, 20 people ride bikes. Therefore, more people from 11th grade are more likely to travel by bike. This means this option is correct.
d) 139 students are in 11th grade, 51 students are on 9th grade, 46 students are in 10th grade, and 44 students are in 12th grades. Because there are more students in 11th grade than any other grade, this option is also correct.
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