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2 years ago

When 25 is added to a number the result is 59 less than 4 times the number.

2 answers:

6 0

X - the number

The expression:
$x+25=4x-59$

The solution:
$x+25=4x-59 \\
x-4x=-59-25 \\
-3x=-84 \\
x=\frac{-84}{-3} \\
x=28$

The number is 28.

3 0

$25+x=4x-59 \\ 3x=84 \\ x=28$

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andrew-mc [135]

Answer:

The angle of depression from Platform A to Platform B is $43.1^{\circ}$

Step-by-step explanation:

Refer the attached figure

The horizontal distance between the platforms is 500 feet i.e. BC = 500

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$Cos \theta = \frac{Base}{Hypotenuse}\\Cos \theta = \frac{500}{685}\\\theta = cos^{-1}(\frac{500}{685})\\\theta = 43.11^{\circ}$

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lesantik [10]

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