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3 years ago

14

How to discover the domain of the function?

2 answers:

Nimfa-mama [501]3 years ago

7 0

Answer:

set the bottom equal to zero and exclude the x value you find when you solve the equation.

Step-by-step explanation:

Mademuasel [1]3 years ago

6 0

Answer:

<em>Remember that domain = x. You can discover the domain by looking at where the smallest and largest points of a graph are according to the x-axis. For example, look at the graph below. The domain would be - </em>∞<em> to </em>+ ∞<em> because the parabola widens forever.</em>

<em />

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The Blue Diamond Company advertises that their nut mix contains (by weight) 40% cashews, 15% Brazil nuts, 20% almonds and only 2

jek_recluse [69]

Answer:

At the 0.05 level of significance, the claim made by Blue Diamond is true

Step-by-step explanation:

Given that the Blue Diamond Company advertises that their nut mix contains (by weight) 40% cashews, 15% Brazil nuts, 20% almonds and only 25% peanuts.

$H_0: The mix are as per percents given\\H_a:Atleast two differ from the above percent.$

(Two tailed chi square test at 5% significance level)

Chi square is calculated as (Obs_exp)^2/Expected

Cashews Brazil nuts Almonds Peanuts Total

Observed 5 6 6 3 20

Expected 40% 15% 20% 25% 1

Expected 8 3 4 5 20

Chi square 1.125 3 1 0.8 5.925

df = 3

p value = 0.1153

Since p value >0.0 we accept null hypothesis.

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3 years ago

$160 divided 5g unit rate

k0ka [10]

The answer is 32$ per gram. You just divide 160 by 5 to get the answer.

Hope that helps!!!

6 0

3 years ago

A lake was closed because of an accidental pesticide spill. The concentration of the pesticide after the spill was 848 parts per

DochEvi [55]

Answer:

Step-by-step explanation:

$a_{n}=a_{1}r^{n-1}\\0=848(0.75)^{n-1}\\or~(0.75)^{n-1}=0\\0.75$

$or~n \rightarrow 1+\infty\\or~n \rightarrow \infty$

Hence lake will never be free of pesticide.

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3 years ago

Read 2 more answers

I need not just the answer but the work written out

Mekhanik [1.2K]

Answer:

A(3) = -6 + (3 - 1) (5)

-6 + (2)(5)

-6 + (10)

4

A(4) = -6 + (4 - 1) (5)

-6 + (3)(5)

-6 + 15

9

A(10) = -6 + (10 - 1) (5)

-6 + (9)(5)

-6 + 45

39

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3 years ago

Please help me with this question <br><br> image attached

user100 [1]

I think the answer is 24

3 0

3 years ago

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