How do you find the ratio of a fraction
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Probably the easiest way to write a ratio is in the form of a fraction.
A fraction IS a ratio.
It means (the top number) divided by (the bottom number), and
that's the ratio between them.
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A building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π meters.What is the area A of the cross section of the column?Give your answer in terms of pi.
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What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?
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Step-by-step explanation:
students did 30 years ago? 1) True 2) False
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The type of sampling used in this scenario is "simple random sampling." In other words, the type of sampling used in this scenario is simple random sampling because each contestant's name has an equal chance of being selected from the bag.
Simple random sampling is a method where each member of the population has an equal chance of being selected. In this case, all the contestant names are written on separate cards, and three names are picked from the bag. Since each card has an equal probability of being selected, this represents simple random sampling.
Other types of sampling, such as stratified sampling or cluster sampling, involve dividing the population into groups or clusters and selecting samples from those groups. However, since the scenario doesn't mention any specific grouping or clustering of the contestants, simple random sampling is the most appropriate classification.
Therefore, the type of sampling used in this scenario is simple random sampling because each contestant's name has an equal chance of being selected from the bag.
Learn more about different sampling here:
#SPJ2
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-- = --
11 121
11x 847 *divide
--- = -----
11 11
x = 77
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The method is to find the roots of the denominator.
x²-2x-15=x²+3x-5x-15=x(x+3)-5(x+3)=(x+3)(x-5)
Roots are x=-3 and x=5
Answer C
Answers
Answer:
4.6 Or 4.60
Step-by-step explanation:
Like the other person said, 4.56. The question says "round to the nearest tenth" so 4.56 rounds to 4.60
Hope it helps~
B)C = 10π; A = 20π
C)C = 10π; A = 25π
D)C = 5π; A = 25π
Answers
C = 2 • π • r
A = 25 π
C = 10 π
Your answer is C) 10π; A = 25π
Answer:
C) C = 10π ; A=25π
Step-by-step explanation:
We are ask to find the circumference and area of a circle with a diameter of 10 inches, but we are to leave our answer in terms of π
First lets start by calculating the circumference.
The formula for calculating circumference of a circle is;
circumference = 2πr where r=radius
But we were given diameter in the question to be 10, r = =
= 5
We can now proceed to insert our value into the equation
Circumference = 2 × π × 5 = 10π
Lets now go ahead to calculate the area of the circle
To calculate area of the circle, we use the formula;
Area = πr²
= π×5×5
=25π
Therefore C = 10π and A=25π