3 years ago

I need help with this geometry

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

Answer:

-6

Step-by-step explanation:

To find the slope the the formula is y=mx+b

m means slope so -6 is the slope

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For each 3 mm of coloured fabric Alex uses to make his curtains, he also uses 2 cm of white

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Step-by-step explanation:

=) 2 cm = 20 mm

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3 years ago

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DochEvi [55]

Answer:

Step-by-step explanation:

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3 years ago

A man standing on a lighthouse at a height of 124 feet sights two boats directly in front of him. One is at an angle of depressi

Ksivusya [100]

Answer:

$125\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ABC find the length side BC

we know that

$tan(62\°)=\frac{124}{BC}$

$BC=\frac{124}{tan(62\°)}$

step 2

In the right triangle ABD find the length side BD

we know that

$tan(33\°)=\frac{124}{BD}$

$BD=\frac{124}{tan(33\°)}$

step 3

we know that

The distance between the two boats is the length side CD

$CD=BD-BC$

substitute the values

$CD=\frac{124}{tan(33\°)}-\frac{124}{tan(62\°)}=125\ ft$

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3 years ago