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1 year ago

I NEED HELP ASAP PLEASE

Mathematics

1 answer:

11Alexandr11 [23.1K]1 year ago

8 0

The answr is 2 okay that’s the answer

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Find the measurement of n please.

mezya [45]

I think it’s C if you still need an answer but don’t trust me on that

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2 years ago

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P + nx=rx-e (solve for x)

lorasvet [3.4K]

Answer:

(p+e)/(r-n) = x

Step-by-step explanation:

p + nx=rx-e

Add e to each side

p +e+ nx=rx-e+e

p +e+ nx=rx

Subtract nx from each side

p +e+ nx - nx=rx-nx

p+e = rx -nx

Factor out x

p+e = x(r-n)

Divide each side by (r-n)

(p+e)/(r-n) = x(r-n)/(r-n)

(p+e)/(r-n) = x

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3 years ago

Find the area of a regular decagon with a 12.3 in, apothem and 8 in. sides.

EleoNora [17]

Answer:

Step-by-step explanation:

The area (A) of a regular decagon is

A = $\frac{1}{2}$ perimeter × apothem

perimeter = 10 × 8 = 80 in, thus

A = 0.5 × 80 × 12.3 = 492 in² → D

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3 years ago

Estimate the solution to the system of equations.

Katen [24]

Answer:

The solution is: x = -1, and y = 8/3

Step-by-step explanation:

Notice that the system of equations can be easily solved via the "elimination" method, by subtracting term by term one equation from the other. Doing such will remove completely the term in "y" (since the terms in "y" are exactly equal in both equations), and leave only an equation containing "x", for which the value can be solved:

$2x+3y=6\\-4x+3y=12\\\\ \\2x-(-4x)+3y-(3y)=6-12\\6x+0=-6\\x=-1$

Now we use this x-value in either equation to solve for y:

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3 years ago

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Which is the equation for the statement: The quotient of 1.2 added to a number and 5 is 3.6?

ANEK [815]

The answer is $\frac{x+1.2}{5} =3.6$
or (x + 1.2) ÷ 5 = 3.6

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2 years ago