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3 years ago

Someone actually please help me thank you

Mathematics

2 answers:

Nikitich [7]3 years ago

8 0

Since a straight line will always be 180,
If you take 69+x=180 it will make this a lot easier
Simply rearrange it to get x=180-69 and you’ll get 111
Hope this helps

CaHeK987 [17]3 years ago

6 0

Answer:

b+69=180 because they are angles on a straight line.

To find b you group like terms or subtract 69 from both sides

b+69-69=180-69

b=180-69

b = 111°

Step-by-step explanation:

I hope it helps

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alexandr402 [8]

Answer:

17 green frogs

Step-by-step explanation:

You need to multiply the decimal form of 20% by 85.

To find the decimal form of a percent you take the decimal (20.00) and move it twice to the left (20.00 ---> .2000)

Now, multiply by .2 by 85

(.2)(85) = 17

Therefore, 17 frogs in the pond of 85 frogs are green

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3 years ago

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2,508 divided by 152 is equal to 16.5
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3 years ago

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Alexandra [31]

Answer:

Step-by-step explanation:

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3 years ago

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Natasha2012 [34]

9514 1404 393

Answer:

31.243 units

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationships between sides and angles in a right triangle. Using the attached figure, it is convenient to find the length of BE as an intermediate step in the solution.

Sin = Opposite/Hypotenuse

sin(30°) = BE/100

BE = 100·sin(30°)

Then ...

Tan = Opposite/Adjacent

tan(58°) = BE/x

x = BE/tan(58°) = 100·sin(30°)/tan(58°)

x ≈ 31.243 . . . . units

_____

Comment on the figure

The intermediate problem in creating the figure was to locate point D. That was accomplished by locating point C on a line at an angle of 58° CCW from the horizontal, using point B as a center. Then D is the intersection of BC with the x-axis. BE is drawn perpendicular to the x-axis.

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3 years ago