3 years ago

Which is the equation for the nth term of the geometric sequence-2, 8, -32, ... ?

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

4 0

Answer:

Step-by-step explanation:

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2. What is the value of x if the angles within a triangle are 2x +1, 7x-2 and 3x +5?

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Answer:

$x=14.67\\$ °

Step-by-step explanation:

The sum of all the three angles of any triangle is 180°

Putting sum of all the angles given equals to 180°

$(2x+1)+(7x-2)+(3x+5)=$ $180$ °

$2x+7x+3x+1-2+5=180$ °

$12x+4=180$ °

$x=\frac{180-4}{12}$

$x=14.67\\$ °

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In 20 seconds, a roller coaster goes up a 100-meter hill, then down 72 meters, and then back up a 48-meter rise. What integer re

Finger [1]

The question is an illustration of arithmetic operations.

The integer that represents the vertical rise is 76

Upward movements are represented with positive, while downward movements are represented with negative.

So, the given parameters are:

$Up = 100m$

$Down = -72m$

$Up= 48m$

The vertical rise is:

$Rise = Up_1 + Down + Up_2$

So, we have:

$Rise = 100m -72m +48m$

$Rise = 76m$

Hence, the integer that represents the vertical rise is 76

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Four students working in a group are trying to find a rational number between

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Step-by-step explanation:

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Which of the following points is the solution of the quadratic equation : 3x² - 5x-2=0

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