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Phoenix [80]
2 years ago
12

Can someone help me simplifytan^2x + 6 tan x - 3

Mathematics
1 answer:
Triss [41]2 years ago
4 0

Substitution z = tan(x), then you can write:

z^2 + 6z - 3

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Solve<br> 8 - (2x - 9) = 17-24
Nikolay [14]

Answer:

x=12

Step-by-step explanation:

8-(2x-+9)=17-24

8-2x=17-24-9

8-2x=-7+-9

8-2x=-16

-2x=-16-8

-2x=-24

x=-24/-2

x=12

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Step-by-step explanation:

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Find the positive square root of 217.05 and 100.2001......with division method​
Alina [70]

The square root of 217.05 is 14.73 and the square root of 100.2001 is 10.01.

<h3>How to depict the square root?</h3>

It should be noted that square root is factor of a number that when multiplied by itself will give the original number.

In this case, the square root of 217.05 is 14.73 and the square root of 100.2001 is 10.01.

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7 0
2 years ago
Find the length of the third side to the nearest tenth.
Grace [21]

Answer:

Hypotenuse=2 units

Step-by-step explanation:

The given triangle is a right angled triangle:

The length of the third side of a right angled triangle can be find by using the Pythagorean Theorem:

Where,    

          Hypotenuse^2=Perpendicular^2+Base^2

Perpendicular= 2 units

Base=2 units

Hypotenuse^2=2^2+2^2\\\\Hypotenuse^2=4+4\\\\Hypotenuse^2=4\\\\Hypotenuse=\sqrt{4} \\\\Hypotenuse=2

The hypotenuse of the triangle is also equals '2'

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Which table shows a proportional relationship between x and y?
rodikova [14]
The answer is D because there all different
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