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Leviafan [203]
2 years ago
11

Find the height of the building below by using your knowledge of trigonometry.

Mathematics
1 answer:
Lilit [14]2 years ago
5 0

Answer:

50\sqrt{3}

Step-by-step explanation:

The figure represents a 30-60-90 special triangle

in this special right triangle the measure of sides lengths is represented by

a, a\sqrt{3}, and 2a

The side length that sees angle measure 30 is represented by a and here we see a = 50m

The height of the building, which sees angle measure 60, is equal to

50\sqrt{3}

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Answer:

b) use a two-sided test instead of a one sided test.

Step-by-step explanation:

If we are using a significance level of 0.05, then the two-tailed test assigns half alpha to test for statistical significance in one direction and half alpha to test statistical significance in the other direction. This implies that .025 is present in each tail of the test statistical distribution. When using the two-tailed test, regardless of the direction of the relationship you assume, we test the possibility of the relationship in both directions.

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3 years ago
If the measure of angle is 38 what is the measure of its complement
iragen [17]
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If y varies directly with x, find the value of y when x = 27 for the direct variation with the given information. y = 7 when x =
ElenaW [278]

Given:

y varies directly with x,

It is given that y = 7 when x = -9.

To find:

The value of y when x = 27 for the direct variation.

Solution:

It is given that y varies directly with x, so

y\propto x

y=kx             ...(i)

Where, k is the constant of proportionality.

It is given that y = 7 when x = -9. Putting these values in (i), we get

7=k(-9)

-\dfrac{7}{9}=k

Putting k=-\dfrac{7}{9} in (i), we get

y=-\dfrac{7}{9}x

Putting x=27,  we get

y=-\dfrac{7}{9}(27)

y=-21

Therefore, the required value is y=-21.

3 0
2 years ago
Solve for the variable -8 p -4p = -12 <br><br> A. 9 B. 1 C. -11 D. -3
murzikaleks [220]

Answer:

<h3>B. p = 1</h3>

Step-by-step explanation:

- 8p - 4p =  - 12 \\  - 12p =  - 12 \\ p =  \frac{ - 12}{ - 12}  \\ p = 1 \\

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2 years ago
The price of a computer tablet is $78.00 plus 7% sales tax. What is the sales tax on this computer tablet in dollars and cents?
Ksivusya [100]

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Step-by-step explanation:

can u mark Brainliest

6 0
3 years ago
Read 2 more answers
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