3 years ago

You solved a linear system with two equations and two variables and got the equation -6=-6

Mathematics

1 answer:

frez [133]3 years ago

6 0

Answer:

Infinite solutions

Step-by-step explanation:

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Add Linear Expression. (8x + 9 ) + (- 6x -2 )

BartSMP [9]

Answer:

2x+7 is the answer......

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18 - 6 + 2 ... what is the answer!!??

vlabodo [156]

The answer is 14 that's it

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An object is dropped from 39 ft below the tip of the pinnacle atop of 363 ft tall building. The height h of the object after t s

Ksenya-84 [330]

Answer:

4.5 seconds pass before reaching the ground

Step-by-step explanation:

The height of the object is given by the following equation:

$h(t) = -16t^{2} + 324$

How many seconds pass before reaching the ground

It hits the ground when h(t) = 0. So

$h(t) = 0$

$-16t^{2} + 324 = 0$

$16t^{2} = 324$

$t^{2} = \frac{324}{16}$

$t = \pm \sqrt{\frac{324}{16}}$

$t = \pm 4.5$

There are no negative instants of time, so only the positive answer interests to us.

4.5 seconds pass before reaching the ground

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3 years ago

one day at 3 a.m. the temperature was -13 in Klondike Alaska at 10 am it was 22 degrees . what was the average change in tempera

Hitman42 [59]

The average change of temperature per hour is the difference in temperature divided by the difference in hours.

3 a.m. 10 a.m. ----> difference in time: 10 - 3 = 7
-13 22 ----> difference in temperature: 22 - (-13) = 35

average change of temperature per hour: 35/7 = 5

Answer: 5 degrees per hour

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4 years ago

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If sin (x-3)° = cos (2x + 6)°, then what is the value of x? * 10 points

lys-0071 [83]

Answer:

x= -9

Step-by-step explanation:

Sin is equal to cos. x-3=2x+6 and you solve.

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