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Veronika [31]
3 years ago
5

Can someone pls help out

Mathematics
1 answer:
weqwewe [10]3 years ago
6 0

Answer:

A. 99.87%

Step-by-step explanation:

i don't explain things good

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Vika [28.1K]
Irrational would be the correct answer
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Solve the equation (7x = 49)?
nekit [7.7K]

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x = 7

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The measure of 13 of the 14 angles of a 14-gon add up to 2016 what must be the 14th angle measure be
Leya [2.2K]

There is a way to solve for the interior angles of the polygon add up to, by using the expression: (Note: n being the side:  (n - 2)180

solve for the 14 angles first. Plug in 14 for n

14 - 2 = 12

12 x 180 = 2160

All of the angles combined together = 2160°. Note that it is given to us that 13 of the angles = 2016°

Solve for the last angle. Set the last (14th) angle as x:

x + 2016 = 2160.

Isolate the x. Note the equal sign, what you do to one side, you do to the other. Subtract 2016 from both sides

x + 2016 (-2016) = 2160 (-2016)

x = 2160 - 2016

x = 144

Answer: The 14th angle must be 144°

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4 years ago
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What does P.E.M.D.A.S mean?
yKpoI14uk [10]

Answer:

Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction.

This is the order you use when you need PEMDAS. For example, in this question:

(2 * 3) + 5(3)

First, you solve the parenthesis: 2 * 3 = 6

Next, you solve for multiplication: 5(3) = 15

Finally, you add: 6 + 15 = 21

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3 years ago
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