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2 years ago

8

When the angle of elevation of the sun is 50 degrees, a flagpole casts a shadow that is 16.8 feet long. What is the height of th

e flagpole to the nearest foot?

1 answer:

____ [38]2 years ago

6 0

The answer is 50 degrees angle

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How fast does a driven gear turn if it has 25 teeth (t) and is driven by a10-tooth driver gear (T) at 250 RPM?

vazorg [7]

Given:

The number of teeth = t = 25

The gear is driven by a 10-tooth driver gear (T) at 250 RPM

Let the speed = s

So, using the ratio and proportion

$\frac{25}{s}=\frac{10}{250}$

Solve for s:

$\begin{gathered} 10s=25\cdot250 \\ \\ s=\frac{25\cdot250}{10}=25\cdot25=625 \end{gathered}$

So, the fear will be driven by 625 RP

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6 months ago

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. What is the area of

jekas [21]

Answer:

area=56000 yards²

Step-by-step explanation:

first divide 280 by 7 and get 40

scale factor is 40

5x40=200

200x280=56000

area=56000 yards²

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2 years ago

Find the missing side lengths. All answers should be in fully simplified form.<br> a=?<br> b?

Alekssandra [29.7K]

Answer:

a=8 b=6

Step-by-step explanation:

Using the Pythagorean theorem, a^2+b^2=c^2, and in this case, a^2+b^2=10^2 = 100

so a^2+b^2=100

8^2+6^2=100

64+36=100 ✔

and since A is longer than B, a=8, b=6

7 0

2 years ago

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What does x equal in the expression (8x - 11)

marta [7]

Step-by-step explanation:

$8x - 11 = 0$

$8x = 11$

$x = \frac{11}{8}$

4 0

2 years ago

This is harder so i put more points

Inessa [10]

Answer:

Sheet metal costs <u>$20</u> per square foot.

Step-by-step explanation:

7.6x - 2.3x = 106

We are finding the value of x.

5.3x = 106

Divide both sides by 5.3.

x = 106 ÷ 5.3

x = 20

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1 year ago

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