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gtnhenbr [62]
3 years ago
5

At the rate shown in the table, how many weeks did it take to sell 700 books? [Type your answer as a number.]

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0

Answer:

<h2> 10 weeks </h2>

I hope this help you

Yuri [45]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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Solve 2x + -3 = -23 algebraically
cestrela7 [59]

Answer:

x = -10

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the value of X?
scZoUnD [109]

Answer:

x = 5

Step-by-step explanation:

ABC is an isosceles triangle

So

<A = <C = 73

<B = 180 - 2 * 73

<B = 180 - 146

<B =  34

Given <B = 6x +4

So

6x + 4 = 34

6x = 30

 x = 5

5 0
3 years ago
Read 2 more answers
A report on consumer financial literacy summarized data from a representative sample of 1,663 adult Americans. Based on data fro
Tom [10]

Answer:

a) 95% Confidence interval = (0.536, 0.584)

This means that we are 95% confident that between 53.6% and 58.4% of Americans would give themselves grade of A or B on their financial knowledge of personal finance.

b) The result of the 95% confidence interval agrees with the claim that majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance because the interval obtained for possible values that the population proportion of Americans that would give themselves a grade of A or B on their financial knowledge of personal finance lies completely on the side that is greater than a proportion of 0.50 which indicates that truly, majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance.

Step-by-step explanation:

Confidence Interval for the population proportion is basically an interval of range of values where the true population proportion can be found with a certain level of confidence.

Mathematically,

Confidence Interval = (Sample proportion) ± (Margin of error)

Sample proportion = proportion of Americans in the sample that would give themselves grade of A or B on their financial knowledge of personal finance = p = (934/1663) = 0.56

Margin of Error is the width of the confidence interval about the mean.

It is given mathematically as,

Margin of Error = (Critical value) × (standard Error)

Critical value at 95% confidence interval for sample size of 1663 is obtained from the z-tables as the sample size is large enough for the sample properties to approximate the population properties.

Critical value = 1.960 (from the z-tables)

Standard error of the mean = σₓ = √[p(1-p)/n]

p = 0.56

n = sample size = 1663

σₓ = √[0.56×0.44/1663] = 0.0121723457 = 0.01217

95% Confidence Interval = (Sample proportion) ± [(Critical value) × (standard Error)]

CI = 0.56 ± (1.96 × 0.01217)

CI = 0.56 ± 0.0238532

95% CI = (0.5361468, 0.5838532)

95% Confidence interval = (0.536, 0.584)

b) The result of the 95% confidence interval agrees with the claim that majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance because the interval obtained for possible values that the population proportion of Americans that would give themselves a grade of A or B on their financial knowledge of personal finance lies completely on the side that is greater than a proportion of 0.50 which indicates that truly, majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance.

Hope this Helps!!!

5 0
3 years ago
4. If A = 45° and B = 30°, verify the following<br> (a) sin (A - B) = sinA.cosB - COSA, sinB.
noname [10]
Uhh enuhlish okkk hehehehe
7 0
3 years ago
What is the biggest possible answer you can get by putting
Arte-miy333 [17]

Answer:

9-4+(5x3)

Step-by-step explanation:

9-4+15

24-4

20

6 0
3 years ago
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