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Mashcka [7]
3 years ago
14

According to a recent study, the average woman's leg hair grows an eighth of an inch per month. A new drug company believes that

women who daily take its drug will change their leg hair growth. Before putting its product on the market, the company plans on running a test of the effectiveness of the drug.
a. Which null and alternative hypotheses should the company use for this study?
Mathematics
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

Step-by-step explanation:

Null hypothesis should be: The average woman's leg hair grows an eighth of an inch per month: u = eighth of an inch

Alternative hypothesis: The average woman's leg hair growth is not an eighth of an inch per month after treatment: u ≠ eighth of an inch

This test after carrying out its treatment will be able to determine if the drug was effective or not

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A food packet is dropped from a helicopter and is modeled by the function f(x) = −15x2 + 6000. The graph below shows the height
Dafna1 [17]

The given function f(x)=-15x²+6000 represent a parabola or a quadratic equation.

Where x= time (in seconds) and f(x)= height (in feet).

Domain is the set of values of x at which the function must be defined. But there is no restriction for a quadratic function because it can take any value of x. Hence, domain of all quadratic functions or parabola are always

-∞≤x≤∞ or all real numbers.

So, domain of given function is " all real values of x".

3 0
3 years ago
Read 2 more answers
Rotate the following triangle 90 degrees.<br> A(4, -3) B(-12, 8) C(6, -4)
Snowcat [4.5K]

Answer:

given vertices of triangle ABC

A(4, -3) B(-12, 8) C(6, -4)

Rotating through 90°

P (x , y) -----> P' (y , -x)

A(4, -3) ------> A' ( -3 , -4 )

B(-12, 8) -----> B' (8 , 12 )

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4 0
2 years ago
What percent of $375 is $11.25 and what percent of $56.25 is $11.25?
Angelina_Jolie [31]

Answer:

3%percent of $375 is $11.25 and 20% of $56.25 is $11.25 .

Step-by-step explanation:

Formula

Percentage = \frac{Part\ value\times 100}{Total\ values}

First Part

As given

Total value = $375

Part value = $ 11.25

Put values in the formula

Percentage = \frac{11.25\times 100}{375}

Percentage = \frac{1125}{375}

Percentage = 3 %

Second Part

Total value = $56.25

Part value = $11.25

Put the values in the formula

Percentage = \frac{11.25\times 100}{56.25}

Percentage = \frac{1125}{56.25}

Percentage = 20%

Therefore 3%percent of $375 is $11.25 and 20% of $56.25 is $11.25 .

3 0
3 years ago
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Can the quadratic polynomial x2+kx+k have equal zeroes for some odd integer k&gt;1
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The only value that can be put in K that would have the same zeros would be 4 but 4 is not an odd integer. If there was an odd integer that the sum and product would be the same then it would lie on the x-axis. but only 4 fits the criteria.
7 0
3 years ago
Angelica has ten pounds of jelly beans. She wants to repackage the jelly beans into bags of size 2/3pound. How many basofiel bea
Tanzania [10]

Answer:

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Step-by-step explanation:

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<u>Number of bags required:</u>

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6 0
3 years ago
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