Answer:
(A)
Null hypothesis: Newspaper circulation in the city per day was = 15,000 in 2010
(B)
Alternative hypothesis: Newspaper circulation in the city today is > 15,000
(C)
Type 1 Error: This is the rejection of a true null hypothesis. It is the acceptance of the alternative hypothesis when the null hypothesis is true.
(D)
Type 2 Error: This is the non-rejection of a false null hypothesis. It is the acceptance of a null hypothesis when it is false.
Step-by-step explanation:
In statistical theory, the complete absence of any of these errors is virtually impossible.
What percent of the carbon-14 had been lost from the pollen?
(half-life of carbon-14 = 5730)
The acceleration of the object is 400 m/s²
To find the acceleration of an object when a 40 N force is applied to it with a mass of 0.1 kg on a frictionless surface, we can use Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
The formula for Newton's second law of motion is:
F = ma
where:
F is the net force,
m is the mass of the object,
a is the acceleration.
In this case, the net force is 40 N and the mass of the object is 0.1 kg.
Substituting these values into the formula, we get:
40 N = (0.1 kg) a
Solving for a, we get:
a = 400 m/s²
Therefore, the acceleration of the object is 400 m/s²
Read more about acceleration of object at: brainly.com/question/605631
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Answer:
400
Step-by-step explanation:
40 divided by .1
Proportion says that two ratios (or fractions) are equal.
7/9 and 5/7 is not a proportion
A proportion is when the ratios are the same.
To find a percentage, you will need to divide both numbers by each other. In this case, it would look similar to this:
Once you divide the two numbers, you should end up with a result of
Now, we are going to move the decimal two spaces to the right to end up with the result:
Now, we are going to remove the as it is no longer required. Next, add a percentage symbol to the last number, and remove the decimal from the number.
Now, you should end up with something like this:
Answer:
Value of b = 14
Step-by-step explanation:
The detailed calculations with steps is shown in the attachment.
Answer:
6x
Step-by-step explanation:
2x*3x=6x