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3 years ago

What is the value of the expression (-8/9) + (-2/3) x (-4 1/2)

Mathematics

1 answer:

geniusboy [140]3 years ago

6 0

$\frac{4}{9}$

I hope this this is what you need ..

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The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane. For a standard wing area, the

xxMikexx [17]

Answer:

Y=s^2/36 and y=5.7;14.3 ft

Step-by-step explanation:

The question was not typed correctly. Here, a better version:

The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane for a standard wing area, the function A(s)=s^2/36 can be used to find the aspect ratio depending on the wingspan in feet. If one glider has an aspect ratio of 5.7, which system of equations and solution can be used to represent the wingspan of the glider? Round solution to the nearest tenth if necessary.

Y=s^2/36 and y=5.7;14.3 ft

Y=5.7s^2 and y=36; s=2.5ft

Y=36s^2 and y=0; s=0.4 ft

Y=s^2/36 +5.7 and y=0; s=5.5 ft

In the function A(s)=s^2/36 A(s) represents the aspect ratio and s the wingspan. If one glider has an aspect ratio of 5.7, then A(s) = 5.7. We want to know the wingspan of the glider. Replacing A(s) by Y we get the following system of equation:

Y=s^2/36

with y = 5.7

5.7 = s^2/36

5.7*36 = s^2

√205.2 = s

14.3 ft

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4 years ago

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The experimental probability there will be fewer than 20 customers on the forty-first day is 5/8, .625, 62.5%.

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Answer:

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pentagon [3]

9514 1404 393

Answer:

A = {put, the, cake, in, basket}

B = {is, the, cake, in, basket}

C = {no, the, cake, in, basket}

D = { }

Step-by-step explanation:

A = (A -B) ∪ (A∩B) ∪ (A∩C}

A = {put} ∪ {the, cake, in, basket} ∪ {the, cake, in, basket}

A = {put, the, cake, in, basket}

B = (B -A) ∪ (B -C) ∪ (B∩A) ∪ (B∩C)

B = {is} ∪ {is} ∪ {the, cake, in, basket} ∪ {the, cake, in, basket}

B = {is, the, cake, in, basket}

C = (C -B) ∪ (C∩A) ∪ (C∩B)

C = {no} ∪ {the, cake, in, basket} ∪ {the, cake, in, basket}

C = {no, the, cake, in, basket}

D = { } . . . . not defined anywhere

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3 years ago