3 years ago

The planet Mercury measures 4,879 kilometers from one side to the other. Earth

Mathematics

2 answers:

nikklg [1K]3 years ago

4 0

(12,756 kilometers) - (4,879 kilometers) = 7,877 kilometers

barxatty [35]3 years ago

3 0

12,756-4,879= 7,877 kilometers difference.

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5x +6y = 20 (1)

slega [8]

(2) + (2)

=> 8x - 6y = -46 ———(3)

(1) + (3)

=> 5x + 6y + (8x - 6y) = 20 - 46

=> 13x + (6-6)y = -26

=> 13x + 0y = -26

=> 13x = -26

=> x = -26/13

=> x = -2

=> 5(-2) + 6y = 20

=> 6y = 20 + 10

=> 6y = 30

=> y = 5

x = -2, y = 5 => C

4 0

1 year ago

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Y-int for 2n^2+5n-25=0

luda_lava [24]

The intercept is -25 because for a quadratic equation in the form
$ax {}^{2} + bx + c$
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5 0

2 years ago

Equation Given: <img src="https://tex.z-dn.net/?f=h%28t%29%3D-4.9t%5E%7B2%7D%2B358" id="TexFormula1" title="h(t)=-4.9t^{2}+358"

Vilka [71]

Answer:

At 3.44 seconds, the penny is at a height of 300 meters above the ground.

Step-by-step explanation:

Basically, we have to solve an equation here:

$-4.9t^{2} + 358 = 300$