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3 years ago

Una compañía que vende juegos electrónicos por Internet cobra los gastos de envío que se presenta

Mathematics

1 answer:

Debora [2.8K]3 years ago

7 0

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klio [65]

When in doubt, draw a picture. The vertex of the equation is at (3,0) and the y-intercept is at (0,4.5). The answer is D

7 0

3 years ago

Find the surface area of the sphere

Leokris [45]

Answer:7857.14cm square

Step-by-step explanation:

surface area of a sphere =4*22/7*25*25=7857.14cm square

8 0

3 years ago

The pair of figures is similar. Find the missing side.<br> X = 5<br> x = 4<br> x = 12<br> x = 20

shusha [124]

Answer:

X = 5

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Solve for x. Write the smaller solution first, and the larger solution second. (x−7)(−4x−2)=0

Fed [463]

Solve for x:
(-4 x - 2) (x - 7) = 0

Split into two equations:
-4 x - 2 = 0 or x - 7 = 0

Factor constant terms from the left hand side:
-2 (2 x + 1) = 0 or x - 7 = 0

Divide both sides by -2:
2 x + 1 = 0 or x - 7 = 0

Subtract 1 from both sides:
2 x = -1 or x - 7 = 0

Divide both sides by 2:
x = -1/2 or x - 7 = 0

Add 7 to both sides:
Answer: x = -1/2 or x = 7

5 0

4 years ago

Solve each equation by completing the square. n^2 - 6n + 6 = -2

Law Incorporation [45]

<h3><u>Explanation</u></h3>

Separate the constant out of expression.

$( {n}^{2} - 6n) + 6 = - 2$

Find the constant that makes the expression able to be squared. You have to subtract the separated constant by new constant as well.

$( {n}^{2} - 6n + 9) + 6 - 9 = - 2 \\ {(n - 3)}^{2} - 3 = - 2 \\ {(n - 3)}^{2} = 1$

Square Root both sides to get rid the squared expression. Make sure to write plus or minus.

$\sqrt{ {(n - 3)}^{2} } = + \sqrt{1} \\ \sqrt{ {(n - 3)}^{2} } = - \sqrt{1} \\ n - 3 = 1 \\ n - 3 = - 1$

$n - 3 = 1 \: \: \: or \: \: \: n - 3 = - 1 \\ n = 1 + 3 \: \: \: or \: \: \: n = - 1 + 3 \\ n = 4 \: \: \: or \: \: \: n = 2$

<h3><u>Answer</u></h3>

$\large \boxed {n = 4,2}$

3 0

3 years ago