On a map the distance from Springfield to pleasantville is 6 in. The map scale is 1/2 in. = 20 mi. Find the actual distance betw
2 answers:
Answer:
The actual distance is 240 miles.
Step-by-step explanation:
On a map distance from Springfield to Pleasantville is 6 inch.
Map scale is given as 1/2 in = 20 miles
We have to find the actual distance between Springfield and pleasantville.
∵ 1/2 inch = 20 miles
∴ 1 inch = = 20 × 2
∴ 6 inch = 20 × 2 × 6 = 240 miles
Therefore, actual distance between Springfield and pleasantville is 240 miles.
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Answer:
B
Step-by-step explanation:
the product (2x² - 3x - 8)(3x² + 5x + 1) is required
multiply each term in the second factor by each term in the first factor.
= 2x²(3x² + 5x + 1) - 3x(3x² + 5x + 1) - 8(3x² + 5x + 1) ← distribute
= 6 + 10x³ + 2x² - 9x³ - 15x² - 3x - 24x² - 40x - 8
collecting like terms gives
6 + x³ - 37x² - 43x - 8 → B