3 years ago

which statements correctly describe the association between the variables A and B ? select each correct answer.

Mathematics

1 answer:

Alecsey [184]3 years ago

7 0

The answer should be b or a I think it’s a because I ddI Thai

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Riley and Rhoda plan to buy 2 bags of dog of food and a dog collar (x). Each bag of dog food costs $7 and the dog collar costs $

Sergio [31]

Let:

T = Total money they have

Dc = Dog collar

x = Number of bags of food

$\begin{gathered} 2x+Dc\le T \\ 2x+4.5\le30 \end{gathered}$

Let's solve the inequality:

$\begin{gathered} 2x+4.5\le30 \\ \text{subtract 4.5 from both sides:} \\ 2x+4.5-4.5\le30-4.5 \\ 2x\le25.5 \\ x\le\frac{25.5}{2} \\ x=12.75\approx12 \end{gathered}$

This means that they can buy 12 bags of food at most.

Since they plan to buy 2 bags of food:

$\begin{gathered} 2(7)+4.5\le30 \\ 14+4.5\le30 \\ 18.5\le30 \end{gathered}$

This means they can do it and have $ 11.5 to spare

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10 months ago

An economist conducts a nationwide survey to study the financial perceptions of US adults. Specifically, he asks a random sample

katen-ka-za [31]

Answer:

a) (0.806, 0.852)

b)Margin of error ≤ 0.01

1.96*√{0.5*(1–0.5)/n} ≤ 0.01

√n ≥ 98

n ≥ 9604

• Smallest sample size = 9604

Step-by-step explanation:

I found this on Chegg

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2 years ago

At haley's bakery over the course of a year she sold 81 birthday cakes for $66 a cake. At the end of the year she determined tha

svetlana [45]

Answer:

=594

Step-by-step explanation:

(81)(66)(1)

=594

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3 years ago

At a pizza shop 80% of customers order pizza

Marta_Voda [28]

Answer:

Your question is no completed

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Yvettes younger brother just turned 3 years old Fred's brother is now 30 month old whose brother is older

grin007 [14]

1 year = 12 months
3 years = 36 moths

Yvette's brother is 36 months old and Fred's is 30 months old. Yvette's brother is 6 moths older than Fred's brother.

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2 years ago