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poizon [28]
4 years ago
12

Jeremy finds a set of plans to build a model airplane. Most, but not all, of the lengths given in the plans are direct measureme

nts. According to the plans, each horizontal stabilizer of the tail wing is made from a right triangle. The length of the leg of the triangle that touches the plane is AB = 8 inches, and cosA=817. To find the number of inches each horizontal stabilizer extends from the plane, find BC.
Mathematics
1 answer:
Karolina [17]4 years ago
6 0
The answer is 15.

If given the cos A = 8/17
<span>8 is the side containing angle A, 17 is the hypotenuse.  Using either Pythagoras or knowing Right Triangle triples you get 15

hope this helps</span>
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Select the correct answer.
maks197457 [2]

Answer:

See Explanation

Step-by-step explanation:

Your question is poorly formatted. However, I'm able to deduce that your question involves at least 2 algebraic fractions that needs to be simplified.

So, I'll make use of the following expression:

\frac{3n}{n + 3} + \frac{5}{n - 4}

When you follow the steps I'm about to provide, you'll arrive at the right answer

Required

Determine an equivalent expression

\frac{3n}{n + 3} + \frac{5}{n - 4}

Step 1: Take L.C.M of the denominators

LCM = (n+3)(n-4)

Step 2: Evaluate the fractions

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n(n-4)+5(n+3)}{(n+3)(n-4)}

Step 3: Open the brackets at the numerator

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n^2-12n+5n+15}{(n+3)(n-4)}

Step 4: Collect and evaluate like terms

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n^2-7n+15}{(n+3)(n-4)}

<em>Follow the above steps, and you'll be able to solve your question.</em>

6 0
3 years ago
A car has a gasoline
Delvig [45]

Answer:

Yes, look at the explanation:

Step-by-step explanation:

  1. Calculate how many miles a car can drive with 1 gallon: 285 miles ÷ 10 = 28.5 miles with one gallon
  2. Divide 500 by 28.5 to calculate how many gallons are needed: 500 ÷ 28.5 ≈ 17.543 - Therefore yes, it is possible because the car uses about 17.543 gallons of gasoline for 500 miles.
8 0
3 years ago
A tower is composed of a prism with a square base and a pyramid. The base length is 20 meters, and the height of the prism is 40
vovikov84 [41]

Answer:

a. 400√2 + 3,600 m2

Step-by-step explanation:

just answered this question  ;)

5 0
3 years ago
Read 2 more answers
6 8/9 times 36/31 .....
aivan3 [116]

Answer:

8

Step-by-step explanation:

First, convert the mixed fraction to an improper one:

\displaystyle{6\frac{8}{9}=\frac{62}{9}}

Then, multiply:

\displaystyle{\frac{62}{9}\times\frac{36}{31}}

Cross-reduce:

\displaystyle{\frac{2}{1}\times\frac{4}{1}}

And simplify:

\displaystyle{\frac{8}{1}=8}

8 0
3 years ago
If the volume of the pyramid shown is 12 centimeters cubed, what is its height?
Fiesta28 [93]

Answer:

6 cm

Step-by-step explanation:

5 0
3 years ago
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