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2 years ago

Use two unit multipliers to convert 135 square miles to square feet

1 answer:

5 0

You only need one of them:

   (135 mile²) x (5,280 feet/mile)²

   = (135 mile²) x (27,878,400 feet²/mile²)

   = (135 x 27,878,400) mile² - feet² / mile²

   = 3,763,584,000 feet²

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In which geometry is there no line parallel to a given line through a point not on the line?

tangare [24]

Answer:

Given a line and a point not on it, no lines parallel to the given line can be drawn through the point. you get an elliptic geometry.

Step-by-step explanation:

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2 years ago

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Solve the system equations and choose the correct ordered pair <br><br> 3x+2y=12<br> 6x+3y=21

Harrizon [31]

Answer:

(2, 3).

Step-by-step explanation:

3x+2y=12

6x+3y=21 Multiply the first equation by 3 and the second by 2:

9x + 6y = 36

12x + 6y = 42 Subtract:

-3x = -6

x = -6/-3 = 2.

Plug x = 2 into the first equation:

3(2) + 2y = 12

2y = 12 - 3(2)

2y = 6

y = 3.

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2 years ago

Create a memory device to help you remember the quadratic formula. The device could be a song, drawing, rhyme, mnemonic device,

Lostsunrise [7]

Answer:

q-u-a-d-r-a-t-i-c f-o-r-m-u-l-a

Step-by-step explanation:

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3 years ago

1. Select all values of x that are solutions to the equation: -2(x + 4)(3x - 18) = 0A) -6B) -4C) -2D) OE) 2F) 4G) 6

navik [9.2K]

$\begin{gathered} -2(x+4)(3x-18)=0 \\ \text{There are two factors here which are} \\ -2(x+4)\text{ and} \\ (3x-18) \\ \text{This means, either} \\ 2(x+4)=0 \\ 2x+8=0 \\ 2x=-8 \\ \text{Divide both sides by 2} \\ x=-4 \\ OR \\ 3x-18=0 \\ 3x=18 \\ \text{Divide both sides by 3} \\ x=6 \\ \text{Therefore,} \\ x=-4\text{ or} \\ x=6 \end{gathered}$

x = -4 OR x = 6

The correct options are B and G

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1 year ago

92, 63, 22, 80, 63, 71, 44, 35 <br> Mean:? Median:? Mode:? Range:?

Nutka1998 [239]

Answer:

−

Step-by-step explanation:

subtract and add

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1 year ago

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