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andrezito [222]
3 years ago
15

Is (6,7) a solution to the inequality 15x+11y>12

Mathematics
2 answers:
astra-53 [7]3 years ago
8 0

Answer:

(6,7) is a solution

Step-by-step explanation:

To determine if (6,7) is a solution, we substitute the point in and see if the inequality is true

15x+11y>12

15(6) + 11(7) >12

90+77 > 12

167>12

This is true so (6,7) is a solution

Aleksandr [31]3 years ago
6 0

The point (6,7) means that x = 6 and y = 7 pair up together. Let's plug them into the inequality.

15*x + 11*y > 12

15*6 + 11*7 > 12 ... replace x with 6, y with 7

90 + 77 > 12

167 > 12 ... this inequality is true since 167 is larger than 12

Because the last inequality is true, this means the first inequality is true when (x,y) = (6,7).

Therefore, (6,7) is a solution to the inequality.

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Answer:

D. 1.38

Step-by-step explanation:

To compare numbers, start with the left side.

You are comparing these numbers with 1.32:

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Start with the leftmost digit, the 1. All numbers start with 1, so up to the units place, they are all the same. See below.

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A. 1.02

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Now compare the next digit which is the tenths place.

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