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Reika [66]
4 years ago
7

What is the mean for 63,54,49,62,48,53,50?

Mathematics
2 answers:
Ira Lisetskai [31]4 years ago
4 0

Answer:

54.14

Step-by-step explanation:

Add them all up then divide by 7 because that is the number of numbers in the data set and you get a long decimal but I just rounded to the hundredths place

ddd [48]4 years ago
4 0

Answer:

54.1428

Step-by-step explanation:

To find the mean is to find the average of a group of numbers. To find it you add up all of the numbers in the set, and then divide by the number of numbers in the set. 63 + 54 + 49 + 62 + 48 + 53 + 50 = 379. Because the set has seven numbers in the set, you divide 379 by 7. This will give you the mean or average, which is 54.1428

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Consider the graph of the cosine function shown below.
nata0808 [166]

Answer:

a. Amplitude: 4

Period: 1

b. The maximum values occur at \theta=0,1,2

The minimum values occur at \theta=\frac{1}{2},\frac{3}{2}

The zeros occur at \theta=\frac{1}{4},\frac{3}{4},\frac{5}{4},\frac{7}{4}

Step-by-step explanation:

We can see from the graph that;

-4\le f(x) \le 4.

This implies that;

|A|=4.

The amplitude is 4.

The function also completed one full cycle on the interval [0,1]

The period is

T=|1-0|=1

The maximum values occur at \theta=0,1,2

The minimum values occur at \theta=\frac{1}{2},\frac{3}{2}

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This is where the graph intersected the x-axis.

7 0
3 years ago
What comes next in this pattern? 7/2, 6/3, 5/4, ... 4/9 4/7 4/5
VARVARA [1.3K]

Answer:4/3

4/3

Step-by-step explanation:

3 0
2 years ago
Point K(–2, 1) is rotated 90° about the origin. What are the coordinates of K′?
yarga [219]

Answer:

The co-ordinates of K¹( -1 , -2 )

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the point K( -2,1 )

<em>when rotating a point 90° about the origin </em>

Given  point A(x,y) transformation  to  A¹( - y,x )

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<u><em>Final answer</em></u>:-

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4 0
3 years ago
Hello. please help me step by step, thank you.
sweet [91]

Answer:

Step-by-step explanation:

he uses 3/4 cup of butter in each batch...and he made 2 1/2 batches..

so he used :

2 1/2 * 3/4 =

5/2 * 3/4 =

15/8 =

1 7/8 cups of butter <====

8 0
3 years ago
Widths of two similar rectangles are 21ft and 18ft. What is the ratio of the perimeter? Of the areas?
ad-work [718]
Ratio of perimeters is a : b:

21:18

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"7 ^2: 6^2"

Which simplifies to: 49:16


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6 0
3 years ago
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