2 years ago

Which expression shows the prime factorization of 56?

Mathematics

1 answer:

Iteru [2.4K]2 years ago

5 0

Answer:

2³×7

Step-by-step explanation:

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Which of the following ordered pairs a solution to the equation?

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For this case we can propose a system of equations:

x: Let the variable that represents the number of small cookies

y: Let the variable that represents the number of large cookies

According to the statement we have:

$x + y = 130\\2x + 3y = 310$

We multiply the first equation by -2:

$-2x-2y = -260$

We have the following equivalent system:

$-2x-2y = -260\\2x + 3y = 310$

We add the equations:

$-2x + 2x-2y + 3y = -260 + 310\\y = 50$

We look for the value of the variable "x":

$x = 130-y\\x = 130-50\\x = 80$

Answer:

They sold 80 small cookies and 50 large cookies

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2 years ago

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Space is a way of joining together points, lines and...

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3 years ago

2 PUNTS

xz_007 [3.2K]

Answer:

x^2 + y^2 = 4

Step-by-step explanation:

The center-radius form (formally called the standard form) of a circle is

(x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius.

So if we replace (h,k) with (0,0) since the center is the origin and r with 2 since the radius is 2 we get:

(x-0)^2+(y-0)^2=2^2

Let's simplify:

x^2 + y^2 = 4

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Step-by-step explanation:

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