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chubhunter [2.5K]
3 years ago
9

One number is 7 more than 3 times another number. Their sum is 63. Find

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer: 3x+7=a

a+X=63 a=63-x

Substitute into first formula

3x+7=63-x

4x=56

X=

26/2

X=13

A=50

Plug-in answers to check my work

50=3*13+7 46 not equal to 50

Post question on brainly

Phone sux

Step-by-step explanation:

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inna [77]

Answer:

  (3, 5, 2)

Step-by-step explanation:

Many authors interpret the triangle inequality to mean the sum of the two short sides must <em>exceed</em> the length of the long side. For side measures 2, 3, 5, the sum of the two short sides is <em>exactly equal</em> to the long side, in violation of the triangle inequality. Hence (3, 5, 2) is not a triangle.

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<em>Comment on the triangle inequality</em>

Other authors allow the "or equal to" case, meaning sides of lengths 2, 3, 5 will be considered to be a triangle because 2+3=5. This interpretation of the triangle inequality will result in <em>no solution</em> to your question.

A (3, 5, 2) "triangle" will look like a line segment of length 5. It will have an area of zero.

3 0
4 years ago
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kramer
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3 0
3 years ago
A hot air balloon can hold up to 300 pounds of weight. The balloon's pilot weighs 140 pounds. How many 20-pound bags of sand (b)
Anit [1.1K]

Answer:

8 sand bags

Step-by-step explanation:

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160 ÷ 20 = 8

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Cindy dissolves 19 1 /4 grams of drink mix in 1 3 /4 ounces of water. What is the unit rate in grams of drink mix per ounce of w
Korolek [52]

Answer:

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Step-by-step explanation:

Given:

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Find:

Unit rate in grams of drink mix per ounce of water = ?

Computation:

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