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2 years ago

Please help I will give brainliest!

Mathematics

2 answers:

sweet-ann [11.9K]2 years ago

6 0

Answer:

55.1

Step-by-step explanation:

dimaraw [331]2 years ago

4 0

Answer:

x = 55.065

Step-by-step explanation:

Side a = 87.49965

Side b = 55.06531

Side c = 68

Angle ∠A = 90° = 1.5708 rad = π/2

Angle ∠B = 39° = 0.68068 rad

Angle ∠C = 51° = 0.89012 rad

Area = 1,872.22068

Perimeter p = 210.56496

Semiperimeter s = 105.28248

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3 years ago

Help!! BRAINLIEST TOO!

natulia [17]

Answer:

36.5 inches

Step-by-step explanation:

Given

See attachment for the given data

Required

Which length is closest to 4.2lb

The given data is a linear dataset.

So, we start by calculating the slope (m)

$m =\frac{y_2 - y_1}{x_2 - x_1}$

Pick any two corresponding points from the table

So, we have:

$(x_1,y_1) = (8,1.21)$

$(x_2,y_2) = (12,1.63)$

So:

$m =\frac{y_2 - y_1}{x_2 - x_1}$

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The linear equation is then calculated using:

$y = m(x - x_1) + y_1$

This gives:

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Open bracket

$y = 0.105x - 0.84 + 1.21$

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To get the length closest to 4.2lb,

we set $y = 4.2$

Then solve for x

So, we have:

$y = 0.105x + 0.37$

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Collect like terms

$0.105x= 4.2 - 0.37$

$0.105x= 3.83$

Solve for x

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