Help ! The answer is given but I need to explain how I got it

Mathematics

1 answer:

horsena [70]2 years ago

6 0

Area ( If you know the circumference) :
C^2 / (4×3.14) Brackets are important!
So you have to type :
53.38^2/(4×3.14)
= 226.865

You might be interested in

(6) Find the area of the triangle. If you get stuck, consider drawing a rectangle

masha68 [24]

Answer:

we need the options

Step-by-step explanation:

what are the numbers

4 0

2 years ago

Select the correct answer. This graph represents a quadratic function. What is the value of a in this function’s equation?

Aloiza [94]

Answer:

i'm not sure but i think the answer is D

Step-by-step explanation:

the answer will be either A or D because the shape of the graph shows that the value of a is negative

6 0

3 years ago

The distribution of the test statistic for analysis of variance is the F-distribution. true or false

lubasha [3.4K]

Answer:

True. See explanation below

Step-by-step explanation:

Previous concepts

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"

If we assume that we have $k$ groups and on each group from $j=1,\dots,k$ we have $k$ individuals on each group we can define the following formulas of variation: