What is 2800m into km

1 answer:

6 0

I am assuming that means meters and not miles, if it is meters 2800 meters = 2.8 Kilometers. If it is miles then 2800 Miles = 4506.163.

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How do you solve this math problem-2(x+3y)=18

ss7ja [257]

Greetings!

Solve for <em>x</em>.
$-2(x+3y)=18$
Distribute the Parenthesis. <em>How?</em> Multiply all of the terms inside the parenthesis by the number outside the parenthesis.
$(-2)*x+(-2)*3y=18$
$-2x-6y=18$
Add 6y to both sides.
$(-2x-6y)+6y=(18)+6y$
$-2x=18+6y$
Divide both sides by -2.
$(-2x)/-2=(18+6y)/-2$
The Answer Is:
$x=-9-3y$
$x=-3y-9$

Hope this helps.
-Benjamin

7 0

3 years ago

15 Points!

Nezavi [6.7K]

Replace f(x) with 0 and swith the equation around to solve for x

x^4 - 32x^2 - 144 = 0

Factor the left side:

(x+6) (x-6) (x^2+4)

so far we have x+6 = 0, x = -6
x -6 = 0, x = 6

solve x^2 +4 = 0
x^2 = -4
x = sqrt(-4)
x = 2i, -21

The answer is B) 2i, 6, -6

8 0

3 years ago

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HELP W MATH PLEASE!!

icang [17]

Answer: 75

8 + 7 = 15

15 * 5 = 75

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3 years ago

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Without graphing, classify the following system as independent, dependent, or inconsistent. y=-3x+4 and 6x+2y=8