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Salsk061 [2.6K]
Answer:
14x^2 - 21
Step-by-step explanation:
The area is
7 * (2x^2 -3)
Distribute
7*2x^2 -7*3
14x^2 - 21
Answer: 34/100
Step-by-step explanation:
it is 34% out of 100, so it is 34/100. Reduced is 17/50
18%, because 50 - 100, meaning 1 is 2% so 9x2 is 18
Answer:
17
Step-by-step explanation:
- midpoint means half
- Let's name side 15 as A,11 as B and 8 as C
- 0.5 of A is 0.5×15=7.5
- 0.5 of B is 0.5×11=5.5
- 0.5 of C is 0.5×8=4
- Perimeter of small triangle =A+B+C
- 7.5+5.5+4=17