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nika2105 [10]
3 years ago
15

Help??????plssssssssss

Mathematics
1 answer:
Mama L [17]3 years ago
8 0

Answer:

Therefore,

Distance between XY is 878 ft and YB is 524 ft.

Step-by-step explanation:

Given:

BW = 1612 ft

∠ Y = 72°

∠ X = 49°

To Find:

XY = ?

YB = ?

Solution:

In right angle Triangle Δ WBY Tangent identity,

\tan Y= \frac{\textrm{side opposite to angle Y}}{\textrm{side adjacent to angle Y}}

Substituting we get

\tan 72= \frac{WB}{YB}=\frac{1612}{BY}

\therefore BY=\frac{1612}{3.077}=523.88=524\ ft...(approximate)

Similarly,

In right angle Triangle Δ WBX Tangent identity,

\tan X= \frac{\textrm{side opposite to angle X}}{\textrm{side adjacent to angle X}}

Substituting we get

\tan 49= \frac{WB}{XB}=\frac{1612}{XB}

\therefore XB=\frac{1612}{1.15}=1401.73=1402\ ft...(approximate)

Now For

XB = XY +BY.............Addition Property

Substituting we get

1402 = XY +524\\\\\therefore XY=1402-524=878\ ft

Therefore

Distance between XY is 878 ft and YB is 524 ft.

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Give two variables that exhibit a positive direct linear variation.
Ulleksa [173]

The two variables that exhibit a positive direct linear variation are x and y and the equation is y = 6x

<h3>How to give two variables that exhibit a positive direct linear variation.</h3>

A positive direct linear variation is represented as

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Where

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In this case,

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Say m = 6

So, we have

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Hence, the two variables that exhibit a positive direct linear variation are x and y and the equation is y = 6x

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DanielleElmas [232]
We're given the equation T = 3x + 2.
They're asking you to find the value of T when x = 1/3, so you all need to do is replace x by its value (in this case by 1/3) in the equation.

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yuradex [85]

Answer:

13. \frac{\sqrt[5]{x^4} }{x}.

14. v = \pm3\sqrt{5}

15. 2.

Step-by-step explanation:

13. x^{1/5} * x^{-2/5}

= x^{1/5 + (-2/5)}

= x^{1/5 - 2/5}

= x^{-1/5}

= \frac{1}{x^{1/5}}

= \frac{x^{4/5}}{x^{1/5 + 4/5}}

= \frac{x^{4/5}}{x}

= \frac{\sqrt[5]{x^4} }{x}.

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7 0
2 years ago
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