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kicyunya [14]
4 years ago
12

(9c-8d)+(2c-6)+(‐d+3)​

Mathematics
2 answers:
nikklg [1K]4 years ago
5 0
I’m pretty sure you have to distribute the plus sign, so the answer is 11c-7d+9
Ganezh [65]4 years ago
3 0

Answer:

11c−9d−3

Step-by-step explanation:

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I need help finding this question out
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Step-by-step explanation:

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You need 25 pounds of potatoes. If each potato weighs 5 ounces, how many potatoes will you need?​
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7 0
3 years ago
Two cars leave the same location traveling in opposite directions. One car leaves at 3:00 p.m. traveling at an average rate of 5
zmey [24]

Since the first car travels 55 miles per hour and starts an hour early, by 4:00 it is 55 miles away from the other car. Therefore, the equation is 55+a(some value)+b(another value)=380. If a car travels 55 miles per hour, that means that we add 55 for each hour and 55*x (if x is the number of hours) is the distance traveled. We have accounted for the first hour, so this is similar to saying that they start 55 miles away at 4:00 and go from there. For the other car, since it travels 75 miles per hour, its distance in hours is 75*x (the amount of time spent should be the same if we start at 4:00). Therefore, since they travel away from each other, our total distance is 55+55x+75x=380. Subtracting 55 from both sides (and combining like terms), we get 130x=325. Next, we divide both sides by 130 to get 2.5 hours, or 2 hours and 30 minutes


hope that helps

5 0
4 years ago
Help with math pretty please!
alex41 [277]
<span>1. 
A.There are no participants who won exceptionally large or small number of matches.

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