is an irrational number ⇒ answer B
Step-by-step explanation:
Let us explain the meaning of:
- A rational number is a number that can be written as a fraction
- An irrational number is a number that cannot be expressed as a fraction
Examples:
Rational numbers : 10 , 
, 0.333
Irrational numbers : π , √8 , ∛25 , (2 + √5) , 
∵ 
∵ 3 is a rational number
∴ 
is a rational number
∵
∵ There is no square root of 8
∴ is an irrational number
∵ 0.3333 can be expressed as 
∴ 0.3333 is a rational number
∵ 
is a fraction
∵ All fractions are rational numbers
∴ is a rational number
is an irrational number
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Answer
24
Step-by-step explanation:
2:2 = 8
45 / 5 = 168
168 - 45 = 123
123 - 45 = 78
78 take away the 7 is 8 , 8 x 5 = 40 / 8 = 24
Answer:
Step-by-step explanation:
Now, Finding the New selling price
Finally, finding the Cost price :
We have, Profit % = 8 %
Therefore, the cost price of the jewellery is Rs 40000
Hope I helped!
Best regards! :D
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P(x) that will be R(x) - C(x):
Note the use of parentheses! Without them we would not realize that both the 21 and the 98 should be subtracted.
Now that we have our profit function, we can see that:<span>Its graph will be a parabola because of the squared term.The parabola will open downward because of the negative coefficient, -2, in front of the squared term.The highest point (which would be the maximum profit) on the downward parabola would be the vertex of the parabola.</span>From the above we now know that we want to find the vertex of the profit parabola.
The x coordinate of the vertex of a parabola will be -b/2a where the "b" is the coefficient of the x term and the "a" is the coefficient of the x squared term. From p(x)= -2^2 + 34x-98
we can see that your "a" is -2 and your "b" is 34. So the x coordinate of the vertex (which is where the maximum profit is) will be: -34/-2=17
Answer:
<h2>7x + 3</h2>
Step-by-step explanation:
The circumference of any polygon is equal to the sum of the lengths of the sides of this polygon.
Therefore
P = 2x + (x + 5) + (4x - 2) <em>combine like terms</em>
P = (2x + x + 4x) + (5 - 2)
P = 7x + 3
