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skelet666 [1.2K]
3 years ago
6

25. Write an expression for the number of gallons of paint needed for an area of A ft.

Mathematics
1 answer:
Levart [38]3 years ago
4 0

Answer:

Multiply length x width to get the square footage of trim to be painted. Divide the total by 400 to get the number of gallons of paint you'll need for one coat. You'll likely need less than a gallon for a standard room, so consider buying trim paint in a quart or two

Step-by-step explanation: i don't know this is confusing....

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I just took a screenshot of it, but I have no idea how to do this
Marianna [84]

Answer:

84°

Step-by-step explanation:

Solve for n. Note that the angle measurements of a circle will equal 360°. Set all the angles = 360°.

7n + 12 + 13n - 16 + 6n = 360

Combine like terms:

(7n + 13n + 6n) + (12 - 16) = 360

26n - 4 = 360

Isolate the variable, n. Note the equal sign, what you do to one side, you do to the other. First, add 4 to both sides:

26n -4 (+4) = 360 (+4)

26n = 360 + 4

26n = 364

Next, divide 26 from both sides:

(26n)/26 = (364)/26

n = 364/26

n = 14

Next, plug in 14 for n in the angle measurement, 6n:

6n = 6(14) = 84°

Note that these are central angles, which means that the arc's will be the same measurement as the angle's measurement.

arcBC = 84°

84° is your answer.

~

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3 years ago
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Semenov [28]

Answer:

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Answer:

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Step-by-step explanation:

An interior angle and its exterior angle are supplementary (they add up to 180°).

I would really appreciate it if you would mark me brainliest!

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Answer:

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Step-by-step explanation:

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