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DiKsa [7]
3 years ago
8

Try some calculations using the keypad or your keyboard

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

the -3.2+8.1 is 4.9 I can't see the rest

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Can some one pls help
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I will try

Step-by-step explanation:

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2 years ago
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Given h(x) = -3x - 2 solve for x when h(x) = 1
solmaris [256]

Answer:

-5

Step-by-step explanation:

h(x) = -3x - 2

h(x) = 1

[ just put '1' in place of every 'x' ]

-3(1) -2
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I'm confused. Hopefully, you can help me.
valkas [14]

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C

Step-by-step explanation:

a straight line is 180, 180-40=140

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3 years ago
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A lighthouse operator sights a sailboat at an angle of depression of 12 degrees. If the sailboat is 80m away, how tall is the li
mart [117]
Check out the attached image for the drawing of how this would look. The drawing isn't 100% needed but it helps I think. 

Based on the figure shown in the attachment, we have a right triangle with the adjacent leg of 80 (this leg is closest to the bottom 12 degree angle) and an opposite leg of h

In short,
adjacent = 80
opposite = h

We'll use the tangent rule
tan(angle) = opposite/adjacent
tan(12) = h/80
80*tan(12) = h
h = 80*tan(12)
h = 17.0045249336018  <<-- see note below

So the lighthouse is roughly 17.0045249336018 meters tall

Answer: 17.0045249336018

Note: Make sure you are in degree mode. The value is approximate. Round this answer however you need to

4 0
3 years ago
Decimals equivalent to 7/18​
gayaneshka [121]

Answer:

0.388888...

Step-by-step explanation:

5 0
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