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miss Akunina [59]
2 years ago
14

Anyone know how to solve this? help!

Mathematics
1 answer:
oee [108]2 years ago
4 0
Okay I did the work and I think it’s either answer a or b but goodluck sorry

But I still don’t understand this.
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4<br> Find the perimeter of a<br> Square with a side<br> length of 7 meters.
11Alexandr11 [23.1K]

Answer: P=28 meters

Step-by-step explanation:

P=4 × a ⇒ a is the side length

P=4 × 7

P=28

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2 years ago
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You begin a hike in Death Valley, California, an elevation of -86 meters meters. You hike to a point of elevation at 45 meters.
KIM [24]
-41 would be your answer
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The water in a reservoir decreased by 47% during a drought. Before the drought, the reservoir held 44,580 acre ft (AF) of water.
yawa3891 [41]
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2 years ago
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lukranit [14]
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5 0
3 years ago
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Question 11. Really don’t understand, if you have an explanation I need one thank you
maxonik [38]

Answer:

m > 3 for 2 solutions.

m = 3 for one solution.

Step-by-step explanation:

mx^2 - 2mx + 3 = 0

For 2 solutions   the discriminant b^2 - 4ac > 0 so we have

(-2m)^2 - 4*m* 3 > 0

4m^2 - 12m > 0

4(m^2 - 3m) > 0

m^2 - 3m > 0

m(m - 3) > 0

m > 3  - this is the result for 2 solutions.

For one solution the discriminant = 0

so m(m - 3) = 0

and  m = 3 for 1 solution.

3 0
3 years ago
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