Answer:
14.286% savings
Step-by-step explanation:
299.99 / 349.99 = 0.8571..
1-0.8571= 14.286
Answer:
51
Step-by-step explanation:
5x^2 - x + 9
5(3^2) - 3 + 9
5(9) + 6
45 + 6
= 51
Answer:
Step-by-step explanation:
Question: 5/8 + 3/10
Answer: 25/40 + 12/40 = 37/40
Explanation: Find the least common denominator of each fraction
According to this problem, the least common denominator is 40
The common denominator you can calculate as the least common multiple of the both denominators - LCM of 8 and 10 is 40
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Answer:
-31.2x + 28.7y + 10.5
Step-by-step explanation:
Step 1: Write expression
2.5(4.2 + 7.4y) - 3.6(8x - 4.5y) - (2.4x + 6y)
Step 2: Distribute
10.5 + 18.5y - 28.8x + 16.2y - 2.4x - 6y
Step 3: Combine like terms
-31.2x + 28.7y + 10.5
Answer:
If the mean of four numbers is 7, we know that their sum is 7 * 4 = 28. We can use this information to find the last number. If the fourth number is x, we can write:
2 + 5 + 17 + x = 28
24 + x = 28
x = 4
