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3 years ago

15

Simplify the following rational expression.

2 answers:

Reptile [31]3 years ago

4 0

I believe it’s choice c.

patriot [66]3 years ago

4 0

I think the answer is c

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Solve the system of equations. x+2y=6; 3x-14y=8 please help

ira [324]

Let x = 6 = 2y so
3(6 - 2y) + 14y = 8 so
18 - 6y + 14y = 8 so
8y = -10 and
$y = \frac{ - 10}{8} = - \frac{5}{4} \\ \\ since \: x = 6 - 2y \\ 6 - 2( \frac{ - 5}{4}) = x \: so \\ x = 6 + \frac{10}{4} = \frac{24}{4} + \frac{10}{4} = \frac{34}{4} = \frac{17}{2}$

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3 years ago

The cost of a meal at a fast food restaurant is $4.89 for a sandwich, $3.79 for a salad, and $2.79 for a drink. John states that

mote1985 [20]

John's statement is false because the meal would cost around $12 (specifically $11.47)

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3 years ago

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92x12 rounder both factors

Elena-2011 [213]

Answer:

90 and 10

Step-by-step explanation:

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3 years ago

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The Statue of Liberty weighs about 2.04 x 105 kg. The Washington Monument weighs about 9.07 x 107 kg. About how many more kilogr

AleksAgata [21]

Answer:

$9.05 * 10^{7} kg$

Step-by-step explanation:

Given

$Statue\ of\ Liberty\ =\ 2.04 * 10^5 kg$

$Washington\ Monument\ =\ 9.07 * 10^7 kg$

To get the number of kilograms the Washington Monument weighs more than the Statue of Liberty, we simply calculate the difference;

Difference = Washington Monument - Statue of Liberty

$Difference = \ 9.07 * 10^7 kg - \ 2.04 * 10^5 kg$

Expand $10^7$

$Difference = \ 9.07 * 10^{5+2} kg - \ 2.04 * 10^5 kg$

$Difference = \ 9.07 * 10^{5} * 10^2 kg - \ 2.04 * 10^5 kg$

Take out the common factor in the above expression

$Difference = 10^{5}\ (\ 9.07 * 10^2 kg - \ 2.04\ kg)$

$10^2 = 100;$ <em>so we have</em>

$Difference = 10^{5}\ (\ 9.07 * 100 kg - \ 2.04\ kg)$

$Difference = 10^{5}\ (\ 907 kg - \ 2.04\ kg)$

$Difference = 10^{5}\ (904.96\ kg)$

Open bracket

$Difference =904.96 * 10^{5} kg$

Write in standard form

$Difference =9.0496 * 10^2 * 10^{5} kg$

$Difference =9.0496 * 10^7 kg$

$Difference =9.05 * 10^7 kg$ (Approximated)

Hence, he Washington Monument weigh more than the Statue of Liberty by about $9.05 * 10^{7} kg$

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3 years ago

The cruise ship has traveled 180 knots in 9 hours. How fast is the ship traveling per hour?

tatuchka [14]

Answer:

20

Step-by-step explanation:

7 0

4 years ago