Answer:
see explanation
Step-by-step explanation:
(a)
Note the squared value in column 3 which is the square of 1 more than the row number, that is
row 2 → (2 + 1)² →3²
row 3 → (3 + 1)² → 4²
Find the square root of 676 = 26 → (25 + 1)² = 26²
Hence the row number is 25
(b)
The pattern in column 1 is [ row number × (row number + 2 ) + 1 ]
row number is n then n(n + 2) + 1 = n² + 2n + 1
Answer:
Cost of tickets: $7. Equation: 40 = 4x + 12.
Step-by-step explanation:
I need -487 time to regroup.
i did 426 - 913 = -487
Answer:a
Step-by-step explanation:
Cause boys is 2/5 and girls are 3/5
Answer:
2) 62.5 wpm
3) 12.7 miles per gallon
4)18 commercials per hour
5) 22.9 ounces per dollar
Step-by-step explanation:
2) 500 words / 8 minutes = 62.5 words per 1 minute
3) 216 miles / 17 gallons = 12.7 miles per gallon
4) 36 commercials / 2 hours = 18 commercials per hour
5) 64 oz / $2.79 = 22.9 oz per $1