Problem page isabel runs 7 miles in 50 minutes. at the same rate, how many miles would she run in 75 minutes?
1 answer:
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1. Cross cancel
2. Multiply numerators
4*x²-16 = 4x²-64
3. Multiply denominators
2x+8*1 = 2x+8
4. Divide
5. Simplify
2(x-4)
Answer is 2(x - 4)
Answer:
Step-by-step explanation:
If ' n ' is the cardinal number of a set, the number of subsets of a given set can be obtained by using the formula 2ⁿ
Given,
N = { 1 , 42 , 65 , 12 , 31 , 27 }
where n ( total number of elements ) = 6
So, the number of possible subsets of set N :
= 2ⁿ
= 2⁶
= 2 × 2 × 2 × 2 × 2 × 2
= 64
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