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3 years ago

What is the successor of the natural number 2012?

2 answers:

8 0

If I understand the question properly, I'd say that 2012's successor is 2013 because it's just the next natural number.

I hope that's what you meant :)

andriy [413]3 years ago

4 0

The succesor of the natural number 2012 is 2013.

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(2.0 x 104)(3.02 x 109) simplified form

kykrilka [37]

Answer:

68469.44

Multiplication is commutative so can be multiplied anyway

(2.0× 109)(3.02×104)

2.0 can be written as ( 20÷ 10) and 3.02 can be written as (302÷ 100)

(2× 109){(3.02÷ 100)× 104]

(218)(7852÷ 25)

68469.44

5 0

3 years ago

The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?

ozzi

Answer:

15 inches

Step-by-step explanation:

42 = 2L + 2(6)

first, we need to isolate L.

solve 2(6) to make this easier

42 = 2L + 12

42 - 12 = 2L + 12 - 12 ( this cancels out 12. )

30 = 2L

30 ÷ 2 = 2L ÷ 2 ( this cancels out 2. )

15 = L

8 0

3 years ago

This graph shows how far a hurricane travelled in 4 h. What was the hurricane’s average speed in kilometres per hour?

Maksim231197 [3]

Answer:

<h2>The hurricane's speed was 200kmph</h2>

at average

Step-by-step explanation:

The way how we can find this is <em>simple</em>. If we look at the graph, we see that in 1 hour, the hurricane traveled at a constant rate of 200kmph

Hence, the hurricane's average speed was 200kmph

7 0

2 years ago

A researcher for paint company is measuring the level of a certain chemical contained in a particular type of paint. If the pain

Flauer [41]

Answer:

get noob

Step-by-step explanation:

4 0

3 years ago

aren wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 51

torisob [31]

Answer:

The 95% confidence interval for the number of chocolate chips per cookie for Big Chip cookies is between 4.68 and 13.52.

Step-by-step explanation:

We have the standard deviation of the sample, so we use the students' t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 51 - 1 = 50

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 50 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.95}{2} = 0.975([tex]t_{975}$ ). So we have T = 2.01

The margin of error is:

M = T*s = 2.01*2.2 = 4.42

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 9.1 - 4.42 = 4.68

The upper end of the interval is the sample mean added to M. So it is 9.1 + 4.42 = 13.52

The 95% confidence interval for the number of chocolate chips per cookie for Big Chip cookies is between 4.68 and 13.52.

8 0

3 years ago