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gavmur [86]
3 years ago
11

Help please!!!!!!!!!

Mathematics
1 answer:
Triss [41]3 years ago
8 0
The answer is -4, hope this helped
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For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.
Lelu [443]
You are going to get the rate of the detects.
6 detects ÷ 114 light bulbs = 1/19 detects per light bulb

If there are 720 light bulbs, then the number of detects will be
720 light bulbs * 1/19 detects per light bulb = 37. 89 ≈ 38 detects
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Answer:

7a ( 1,1)

7b ∅  or no solution

Step-by-step explanation:

The solution to the system is where the two functions intersect

For 7a.  The parabola and the line intersect at (1,1)

For 7b  The parabola and the line do not intersect so there is no solution

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The number of intersections is the number of solutions

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C is the answer
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Larry is 10 years old and his sister is 7 years old. In how many years time will there total age be 25 years?
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