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3 years ago

6

The Wright brothers made the world's first flight in a power-driven airplane. The flight lasted for 12 seconds at an average spe

ed of 10 feet per second. The ratio of the airplane's wingspan to the distance flown was 1:3. How long was the wingspan?

1 answer:

Alona [7]3 years ago

4 0

Answer:

40

Step-by-step explanation:

120/3=40

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Which of the following is equivalent to (16^3/2)^1/2? 6 8 12 64

Pani-rosa [81]

$\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^{ n}} \qquad \qquad
\sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}\\\\
-------------------------------\\\\
\left( 16^{\frac{3}{2}} \right)^{\frac{1}{2}}\implies 16^{\frac{3}{2}\cdot \frac{1}{2}}\implies 16^{\frac{3}{4}}\qquad \boxed{16=2^4}\qquad (2^4)^{\frac{3}{4}}\implies 2^{4\cdot \frac{3}{4}}
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2^3\implies 8$

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3 years ago

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A family has an annual income of $25,200. Of this, 1/4 is spent for food, 1/5 or housing, 1/10 for clothing, one ninth for

STatiana [176]

Simply divide $25,200 by 5
$25200 \div 5 = 5040$

$5,400 was spent on housing

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2 years ago

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Which of the following is a solution of y - x < -3?

Mariulka [41]

Answer:

Option A. (6,2)

Step-by-step explanation:

We have the following inequality:

$y- x$

Solving for y we have:

$y$

The line that limits the region of inequality is

$y = x-3$

Then the region of inequality are all values of y that are less than $f (x) = x-3$

In other words, the points belonging to the inequality are all those that lie below the line.

To find out which point belongs to this region substitute inequality and observe if it is satisfied

A. (6,2)

$2$

$2$ <em> is satisfied</em>

B. (2, 6)

$6$

$6$ <em>it is not satisfied</em>

C. (2, -1)

$-1$

$-1$ it is not satisfied

<em>The answer is the option A</em>

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2 years ago

Three of the choices are ways to express 0.50. Which is NOT?

borishaifa [10]

Answer:

5/100

Step-by-step explanation:

5 over 100 is 5%, while the other options are 50%

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3 years ago

1/10 of the trees will be oak,3/10 will be pine ,and 2/10 will be willow what is the whole number

Margarita [4]

Add everything up together it equals 6/10 in simplest form it would be 3/5

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2 years ago