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3 years ago

6

The formula p=69.1/a+2.3 models the relationship between atmospheric pressure p in inches of mercury and altitude a in miles. At

which location does the model predict the pressure to be about 23.93 in of mercury? Hint 1mile=5280 feet

2 answers:

mihalych1998 [28]3 years ago

7 0

5he answer is 49.75 hope it help

tino4ka555 [31]3 years ago

3 0

Answer is 49.75 hope that helps!

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Find the length of midsegment YZ in trapezoid ABCD when A(-5,-6) B(-6,-2) C(-4,0) and D(3,2)

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Option C

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Since, Y and Z are the midpoints of sides AB and CD of the given trapezoid.

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By the theorem of midsegment,

m(YZ) = $\frac{1}{2}(AD+BC)$

By using expression for the length of a segment between two points,

Length of a segment = $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

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AD = $\sqrt{(3+5)^2+(2+6)^2}$

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AD = $\sqrt{128}$

AD = $8\sqrt{2}$

Distance between B(-6, -2) and C(-4, 0)

BC = $\sqrt{(-6+4)^2+(-2-0)^2}$

BC = $\sqrt{8}$

BC = $2\sqrt{2}$

Therefore, m(YZ) = $\frac{1}{2}(8\sqrt{2}+2\sqrt{2})$

= $\frac{1}{2} (10\sqrt{2})$

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Option C will be the answer.

7 0

3 years ago