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3 years ago

HELP, Find x and the length of BD

Mathematics

1 answer:

maxonik [38]3 years ago

7 0

Answer:

BD=2x-16. x=16

Step-by-step explanation:

E is the midpoint, so BD=2(x-8)=2x-16

The top and bottom lines are equal: 2x-12=20

2x=32, x=16

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from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee

Snowcat [4.5K]

Answer:

The height of the building is $73.2\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

$tan(38\°)=\frac{BC}{AB}$

we have

$AB=63\ ft$

substitute and solve for BC

$tan(38\°)=\frac{BC}{63}$

$BC=(63)tan(38\°)=49.2\ ft$

Find the height of the building

The height of the building (h) is equal to

$h=BC+24=49.2+24=73.2\ ft$

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4 years ago

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sergejj [24]

Answer:

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Step-by-step explanation:

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4 years ago

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xz_007 [3.2K]

34-5x+2(x-2)=15

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34-5x+2x-4=15

30-3x=15

30-3x-30=15-30

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4 years ago

What is the linear function equation that best fits the data set?

slavikrds [6]

Answer:

Option 3

Step-by-step explanation:

Given data set is,

{(1.5, 1), (2.5, 3), (3, 3), (3, 5), (3.5, 5), (4.5, 7), (5, 7), (5, 9), (5.5, 9), (6.5, 11), (7.5, 13)}

By using linear regression calculator,

Equation of the linear function will be,

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3 years ago

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3 years ago