1 The temperature outside Jude\'s house was 3.7 degrees Celsius. It then decreas

Question

1 The temperature outside Jude's house was 3.7 degrees Celsius. It then decreased by 4.2 degrees Celsius. Which expressions can be used to find the final temperature in degrees Celsius? Select all the correct expressions A. 3.7+4.2 B. 3.7-4.2 C.-3.7 +-4.2 D. 3.7-4.2 E. 3.7 +-4.2 2. Select all of the situations that could be represented by the product of two numbers equal to 20. A. The change in the balance of a checking account after a man spends $4 dollars a day for five days B. The miles traveled after a sailor makes two trips of 10 miles each. C. The total number of pages read if 8 students read two and a half pages. D. The difference in altitude after a kite loses altitude four times by s feet each time. E. The amount of sugar in a recipe if it calls for 2 cups per pitcher and Martha is making 10 F. The total charge created from twenty electrons each with a ("1) charge.

Explanation / Answer

1. given

the temperature outside was -3.7 celsius and given temperature increased by 4.2

so temperature will be - 3.7 - 4.2

hence B

2. given product has to be 20

hence

a. given he spends $4 for 5 days => total = 4 * 5 = -20

b. given total distance for miles hence total distance = 20 miles

c. 8 students read 2 and half => answer = 8 * 5/2 = 20

d.given 4 times by 5 feet => total = 4 * 5 =-20

e. given 2 cups per pitcher and 10 pitchers => total = 2 * 10 = 20

f. total charge by 20 electrons = 20 * 1 = -20

hence a,d,f

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