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omeli [17]
3 years ago
6

Determine whether the ratios 9/15 and 6/10 form a proportion.

Mathematics
1 answer:
lesantik [10]3 years ago
4 0
The ratio 9/15 and 6/15 form a proportion
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Can someone help me with this question?<br> 16 + (c + 17) = (16 + c) + 17
Furkat [3]

Answer:

c=∞

Step-by-step explanation:

Well first step we can add 16+17 on both sides

33+c=33+c

-33      -33

c=c

The answer is infinity

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2 years ago
How many different lunch combinations can be made from two sandwich choices three ide choices and three beverage choices if you
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3 years ago
How tall is a building that casts a 73 foot shadow when the angle of elevation of the sun is 29
Ilya [14]
We use trigonometry for this problem. You might have learned about SOH CAH TOA. In right triangles, when given an angle, you can name the three sides of the triangle a certain part: Opposite, Adjacent, and Hypotenuse.

For this problem, we are given the angle and the ADJACENT length (73). We want to find the OPPOSITE side's length.
TOA
We must use the tangent function.

TOA helps us remember this relationship:
tan( theta ) = opposite / adjacent.

Plug in our values:

tan(29 degrees) = opposite / 73

Multiply by 73 to isolate "opposite" and solve for it.

73 * tan(29) = opposite.

Using a calculator, the answer is approximately 40.46 ft.

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