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Solve the following problems: 1. Inequalities: i) 4(2x+3) < 7−2x ii) 3x+2 > 2x+5. 2. Venn Diagram (Set Theory) with given values.
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4 partsStep-by-step solution
11 stepsHere are the solutions to the problems:
1. Inequalities
Part i· 4 steps
Solve .
Distribute the 4 on the left side.
Add $2x$ to both sides.
Subtract 12 from both sides.
Divide by 10.
The solution is .
Part ii
Solve .
Subtract $2x$ from both sides.
Subtract 2 from both sides.
The solution is .
2. Venn Diagram (Set Theory)
Let G be the set of people who watched GTV, K for KTV, and M for MTV.
Given:
Total people = 70
Part a
Illustrate the information in a Venn diagram.
First, calculate the "only" regions:
Next, calculate the number of people who watched only one channel:
The Venn diagram would show three overlapping circles for G, K, and M.
- The center intersection (G K M) would be 5.
- The intersection of G and K only would be 9.
- The intersection of K and M only would be 3.
- The intersection of G and M only would be 8.
- The G only region would be 10.
- The K only region would be 7.
- The M only region would be 6.
Part b(i)22
did not watch TV at all
Find the number of people who
Calculate the total number of people who watched at least one channel.
Subtract this from the total number of people interviewed.
The number of people who did not watch TV at all is .
Part b(ii)6
watched MTV only
From the calculations above, the number of people who watched MTV only is .
3. Ratio and Proportion
Lois and Gina share $100.00 in the ratio 2:5.
Find the total number of parts in the ratio.
Calculate Lois's share.
Calculate Gina's share.
Lois receives
\boxed{\28.57}\boxed{$71.43}$.4. Table Completion (Function Evaluation)
Complete the table for the relation from to .
-2 -1 0 1 2 3 4 5 The completed table is:
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