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3 years ago

Explain why it is Irrational

Mathematics

2 answers:

jekas [21]3 years ago

8 0

The answer should be B.

Hope it helped you.

mezya [45]3 years ago

8 0

It dosnt terminate like 100
10*10=100
there is one reason

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Lubov Fominskaja [6]

Answer:

I think its the last one because the problem is not air pollution related

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3 years ago

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LLoyd used 1/4 of chocolate to make 2/3 gallons of chocolate pudding. If Lloyd's recipe is for 1 gallon of pudding, how many pou

Evgesh-ka [11]

Answer:

1/8

Step-by-step explanation:

Llyod used 1/4 chocolates to make 2/3 gallons of chocolate pudding

= 1/4 ÷ 2/3

= 1/4 × 3/2

= 3/8

Therefore the number of pounds needed to make 1/3 of the recipe can be calculated as follows.

= 3/8 × 1/3

= 3/24

= 1/8

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3 years ago

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3 years ago

The meal costs $52.95 for 5 people. Jenna ordered a dessert for $2.50 if she deducts this amount from the total, how much will e

Lemur [1.5K]

$52.95 - $2.50 = $50.45

$50.45 divided by 5 (number of people) = $10.09 per person

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3 years ago

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US consumers are increasingly using debit cards as a substitute for cash and checks. From a sample of 100 consumers, the average

scoray [572]

Answer:

A. Margin of error = 128.79

B. The 99% confidence interval for the population mean is (7661.21, 7918.79).

Step-by-step explanation:

We have to calculate a 99% confidence interval for the mean.

The population standard deviation is know and is σ=500.

The sample mean is M=7790.

The sample size is N=100.

As σ is known, the standard error of the mean (σM) is calculated as:

$\sigma_M=\dfrac{\sigma}{\sqrt{N}}=\dfrac{500}{\sqrt{100}}=\dfrac{500}{10}=50$

The z-value for a 99% confidence interval is z=2.576.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_M=2.576 \cdot 50=128.79$

Then, the lower and upper bounds of the confidence interval are:

$LL=M-t \cdot s_M = 7790-128.79=7661.21\\\\UL=M+t \cdot s_M = 7790+128.79=7918.79$

The 99% confidence interval for the population mean is (7661.21, 7918.79).

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3 years ago