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Anna007 [38]
3 years ago
5

a bag containing some widgets weighing 81 kg. when 2 of the widgets are removed, the weight of the bag drops to 73kg. the bag wi

eghs 1 kg when empty. how many widgets are left in the bag after the 2 were removed
Mathematics
1 answer:
Sloan [31]3 years ago
3 0
First I find the individual widget weight

81 - 73 = 2x
8 = 2x
x = 4

Then I find how many widgets were left

73 - 1 = 4y
72 = 4y
18 = y

Y is the amount of widgets left, therefore the amount left is 18
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Answer:

28cm

Step-by-step explanation:

138-110=28

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2 years ago
If f(x)= (3x+7)^2, then f(1) = ?
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To find f(1), substitute 1 for x.

f(1) = (3(1)+7)²
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f(1) = 10²
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Find the slope of the line that contains (6,-4) and (-4,-4)
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Answer:y = -4

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Let 6 be x2, -4 be x1, y2 be -4, and y1 being -4, plug these numbers in.

-4-(-4) / 6- (-4)

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The final answer is then y = -4

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