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vlada-n [284]
4 years ago
9

To determine expected frequency, calculate _______________________.

Mathematics
1 answer:
zalisa [80]4 years ago
5 0
A is the correct answer
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The answer should be a fraction
Vedmedyk [2.9K]
Ok so 40y2/50y3.... you are going to cancel out the common factor (10)  
 
4y2/5y3..
now apply the exponent rule, which is : xa /xb = 1/ xb-a

so...y2/y3 = 1/ y3 - 2 = 1/y

ANSWER : 4/5y
5 0
3 years ago
Read 2 more answers
Explain why Rolle's Theorem does not apply to the function even though there exist a and b such that f(a)
Anna35 [415]

Rolle's Theorem does not apply to the function because there are points on the interval (a,b) where f is not differentiable.

Given the function is f(x)=\sqrt{(2-x^{\frac{2}{3}})^{3}}  and the Rolle's Theorem does not apply to the function.

Rolle's theorem is used to determine if a function is continuous and also differentiable.

The condition for Rolle's theorem to be true as:

  • f(a)=f(b)
  • f(x) must be continuous in [a,b].
  • f(x) must be differentiable in (a,b).

To apply the Rolle’s Theorem we need to have function that is differentiable on the given open interval.

If we look closely at the given function we can see that the first derivative of the given function is:

\begin{aligned}f(x)&=\sqrt{(2-x^{\frac{2}{3}})^3}\\ f(x)&=(2-x^{\frac{2}{3}})^{\frac{3}{2}}\\ f'(x)&=\frac{3}{2}(2-x^{\frac{2}{3}})^{\frac{1}{2}}\cdot \frac{2}{3}\cdot (-x)^{\frac{1}{3}}\\ f'(x)&=\frac{-\sqrt{2-x^{\frac{2}{3}}}}{\sqrt[3]{x}}\end

From this point of view we can see that the given function is not defined for x=0.

Hence, all the assumptions are not satisfied we can reach a conclusion that we cannot apply the Rolle's Theorem.

Learn more about Rolle's Theorem from here brainly.com/question/12279222

#SPJ4

8 0
2 years ago
Find the sum of 8/10 + 7/10 ?
Annette [7]
15/10 reduces to 1 1/2

5 0
3 years ago
Read 2 more answers
Larry's Lemons is a street vendor business that sells lemonade and lemon bars. A cup of lemonade sells for $2 and a lemon bar se
maxonik [38]

We can let x and y represent cups of lemonade and numbers of lemon bars, respectively. Then the constraints are ...

  • x ≥ 150
  • y ≥ 0
  • 2x +1.5y ≥ 500
  • 0.25x +0.20y ≤ 100

A graph is shown in the attachment, with the ordered pairs plotted. It is not feasible to sell half cups of lemonade or half lemon bars, so the second and third choices must be excluded. The point (160, 110) falls outside the feasible region, so is not a correct choice.

The correct choices are ...

  • (150, 200)
  • (180, 100)

8 0
3 years ago
What is the simplest form of the square root 1764
Ludmilka [50]

Answer:

42



Hope this helps Buddy!



- Courtney


5 0
3 years ago
Read 2 more answers
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