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Ad libitum [116K]

2 years ago

6

A wooded piece of land is 68 3/4 acres. If 4/5 of this land is cleared for development, how many acres of wooded land will remai

n?

1 answer:

kari74 [83]2 years ago

6 0

Answer:

13.75 or 13 3/4 acres

Step-by-step explanation:

68.75*0.2 = 13.75

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The population in the trapezoid-shaped region shown is about 7000 people. How many people are there per square mile?

svlad2 [7]

Answer:

250

Step-by-step explanation:

14 x 4 = 56

56 divided by 2 = 28

<h2>7000 divided by 28 = 250 </h2>

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2 years ago

Help on thishwwhejjddjhdhddhdhdj

QveST [7]

The answer is D.
The first one says you add -4 each time in the sequence.
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The third says you multiply by -2 each time in the sequence.
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Step-by-step explanation:

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2 years ago

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Hii! I need some help, would anyone mind helping me?

Kisachek [45]

Step-by-step explanation:

${x}^{2} - 14x - 25 {y}^{2} + 100y = 76$

Factor by grouping,

$( {x}^{2} - 14x) - (25 {y}^{2} - 100y) = 76$

Complete the square, with the x variables,

$( {x}^{2} - 14x + 49) - (25 {y}^{2} - 100y) = 125$

Factor out 25 for the y variables

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y) = 125$

Complete the square

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y + 4) = 25$

Simplify the perfect square trinomial

$(x - 7) {}^{2} - 25(y - 2) {}^{2} = 25$

Make the right side be 1 so divide everything by 25.

$\frac{(x - 7) {}^{2} }{25} - (y - 2) {}^{2} = 1$

Here our center is (7,2).

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2 years ago

Solve −3.5 = x 4 for x using the multiplication property of equality. x=

ss7ja [257]

Answer:

<em>The operation in the problem is</em>

Division

<em>The inverse operation is </em>

Multiplication

-14 = x

Step-by-step explanation:

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3 years ago

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