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guapka [62]
3 years ago
10

Write a verbal sentence to represent 3n-35=79

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0

Answer: three n minus thirty-five equals seventy-nine

Step-by-step explanation:

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A coffee mixture has beans that sell for $0.20 a pound and beans that sell for $0.68. If 120 pounds of beans create a mixture wo
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Let x be the number of pounds of the $1.35 beans. The cost of those beans is $1.35 * x, or 1.35x. 
<span>Let y be the number of pounds of the $1.05 beans. The cost of those beans is $1.05 * y, or 1.05y. </span>
<span>We know that 120 pounds of the mix sells for $1.15/pound, for a total of 120 * 1.15 = $138. </span>

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<span>We can rewrite the first as </span>
<span>x = -y + 120 </span>

<span>Now we can substitute (-y + 120) in for (x) in the second equation, because we just proved they're equal. </span>

<span>1.35(x) + 1.05(y) = 138 </span>
<span>1.35(-y + 120) + 1.05y = 138 </span>
<span>-1.35y + 162 + 1.05y = 138 </span>
<span>-0.3y + 162 = 138 </span>
<span>-0.3y = -24 </span>
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<span>And since x + y = 120, that means x = 40. </span>

<span>Check: </span>
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<span>Do those add up to our target total, according to the question, of 120 * 1.15 = $138? </span>
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3 years ago
Evaluate -5 to the power of 2​
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According to a survey of workers 6/50 of them walk to break 3/50 bike 10/50 carpool and 31/50 Drive alone what percent of worker
otez555 [7]

Answer:

Step-by-step explanation:

6+3=9/50

9/50 x  100=18 percent

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2 years ago
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