I need help with 31 and 32
1 answer:
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Answer:
The no. of variations in sign is 3
Step-by-step explanation:
Variation in sign occurs when every single time a negative product is produced by a pair of consecutive terms.
Therefore, the determination of the number of changes in sign in the given sequence is must.
Therefore, we take the product of the pair of consecutive terms as:
= - 3, variation in sign
= - 6, variation in sign
= 10, no sign variation
= - 20, variation in sign
= 24, no sign variation
Question is Incomplete;Complete question is given below;
Jerry sold 7/20 of the total number of tickets that were sold for the spring band concert. What percent of the total number of tickets did jerry sell.
Answer:
Jerry sold 35 % of the total tickets.
Step-by-step explanation:
Given:
Jerry sold tickets = of total number of tickets
We need to find the percent of the total number of tickets Jerry sold.
Solution:
to find the percent of the total number of tickets Jerry sold we need to multiply the fraction by 100 we get;
framing in equation form we get;
Percent of the total number of tickets Jerry sold =
Hence Jerry sold 35 % of the total tickets.