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11111nata11111 [884]
4 years ago
11

R + 4 > 8; r =2 is a solution

Mathematics
1 answer:
tiny-mole [99]4 years ago
7 0

Answer:r>4

Step-by-step explanation: You just subtract four from both sides

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Answer:

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Step-by-step explanation:

what do we have to do ? I assume we need to find the crossing point between the 2 lines.

when looking at the graphic, we can already rule out the first, third and fourth option.

none of the coordinates of that point is larger than 1 in any direction or smaller than 0.5.

so, just by looking at things I immediately "bet" on answer option 2 (0.88, 0.65).

but let's check.

y = -2x/5 + 1

y = 3x - 2

for the crossing point both functions must produce the same functional value.

=>

-2x/5 + 1 = 3x - 2

-2x/5 + 5/5 = 15x/5 - 10/5

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x = 15/17 = 0.88...

y = 3×0.88... -2 = 0.65...

hurray, our original observation and "suspicion" is confirmed.

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3 years ago
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3 years ago
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