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alexdok [17]
4 years ago
13

the three expressions, sin-1, cos-1, and tan-1 are called _____ trig functions and are used to find the measure of the acute ang

les of a right triangle if you know the lengths of at least two sides.
Mathematics
1 answer:
geniusboy [140]4 years ago
8 0

Answer:

Inverse.

Step-by-step explanation:

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3 years ago
How to factor the gcf out of a polynomial
Ann [662]

Step-by-step explanation:

15x^6+6x^4+9x^3\\\\\text{Find GCF of 15, 6 and 9:}\\\\15=\boxed3\cdot5\\6=\boxed3\cdot2\\9=\boxed3\cdot3\\\\GCF(15,\ 6,\ 9)=\boxed3\\\\\text{Find GCF of}\ x^6,\ x^4\ \text{and}\ x^3:\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\x^6=x^{3+3}=\boxed{x^3}\cdot x^3\\\\x^4=x^{3+1}=x^3\cdot x^1=\boxed{x^3}\cdot x\\\\x^3=\boxed{x^3}\cdot1\\\\GCF(x^6,\ x^4,\ x^3)=\boxed{x^3}\\\\\text{Therefore}\\\\GCF(15x^6+6x^4+9x^3)=\boxed{3}\cdot\boxed{x^3}=3x^3\\\\15x^6+6x^4+9x^3=3x^3(5x^3+2x+3)

8 0
4 years ago
What is the axis of symmetry for f(x) = −5x2 − 20x − 10
Tasya [4]
<span>For this case we have the following function:
</span> f(x) = -5x^2 - 20x - 10&#10;
<span> To find the axis of symmetry, the first thing to do is to derive the function.
 We have then:
</span> f '(x) = -10x - 20 &#10;
<span> Equaling zero we have:
</span> -10x - 20 = 0 &#10;
<span> We clear the value of x.
 We have then:
</span> -10x = 20 &#10;&#10;x = -20/10 &#10;&#10;x = -2 &#10;
<span> Answer:
 The axis of symmetry is given by:
 x = -2</span>
6 0
3 years ago
Read 2 more answers
Please please please help
ra1l [238]

Answer:

The inverse of the function is ±sqrt( (x+4)/2

Step-by-step explanation:

Set the function equal to y

y = 2x^2 -4

Exchange x and y

x = 2y^2 -4

Solve for y

Add 4 to each side

x+4 = 2y^2 -4+4

x+4 = 2y^2

Divide each side by 2

(x+4)/2 = 2/2y^2

(x+4)/2 = y^2

Take the square root of each side

±sqrt( (x+4)/2 )= sqrt(y^2)

±sqrt( (x+4)/2 )= y

The inverse of the function is ±sqrt( (x+4)/2

6 0
4 years ago
Find the equation of the line that passes through points A and
scoray [572]

Answer:

y = 2x - 1 is the required equation

Step-by-step explanation:

slope(m) = (3-7)/(2-4)

m = -4/(-2)

so, m = 2

Now,

y = mx + b

or, y = 2x + b

so, 3 = 2*2 + b

or, 3 = 4 + b

so, b = -1

equation would be y = 2x - 1

6 0
3 years ago
Read 2 more answers
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