You applied the rule improperly. When dividing exponents, you subtract the exponent of the denominator <em>from</em> the exponent of the numerator, not the other way around. The exponent you should have gotten was
Subject:Mathematics
2 answers:
<h2><u>Question</u> :</h2>
The angle measure of a triangle are shown in the diagram.
What is the value of x?
<h2><u>Answer</u> :</h2>- value of x is 28°
- ∠A = 50°
- ∠B = (2x)°
- ∠C = (3x - 10)°
- Value of x = ?
As, In a triangle measure of all three angles is always 180°.
Hence, value of x is 28°.
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Equation :
[x(x+4)]/2=6 (as (b*h)/2=A)
x*x + 4*x -12 = 0
so, x = 2 units(as -6 is negative)
[x(x+4)]/2=6 (as (b*h)/2=A)
x*x + 4*x -12 = 0
so, x = 2 units(as -6 is negative)
The final answer is 10.9
Option D:
all real numbers
Solution:
<u>Definition of domain:</u>
The domain of the function is the set of all possible
x-values (independent variable).
<u>Definition of range:</u>
The range of a function is the set of all possible resulting values
of y-values (dependent variable).
i.e The range of a function is the resulting y-values we get after substituting all the possible x-values.
Given function:
Domain of y: (0, ∞) (or) {x | x > 0}
Range of y: (–∞, ∞) (or) {y | y > R}
i.e all real numbers
Option D is the correct answer.
Hence the range of y is all real numbers.