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HACTEHA [7]
3 years ago
6

Help, please!!!

Mathematics
1 answer:
Alchen [17]3 years ago
3 0
Akasmananzkz jskamanajaka I got a new phone call from my cousin dorm yesterday wewwwww
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The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below which expression represents th
Shalnov [3]

The ratio of the difference of the two means to Sidney’s mean absolute deviation is; 4/3.28

<h3>How to find the Mean Absolute Deviation?</h3>

From the given table, we see that;

Mean grade of Sidney = 82

Mean grade of Phil = 78.

Mean absolute deviation of Sidney = 3.28

Mean absolute deviation of Phil = 3.96.

The difference between the two means of Sidney and Phil = 82 - 78 = 4.

Thus, the ratio of the difference of the two means to Sidney’s mean absolute deviation is; 4/3.28

Complete Question is;

The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below. Means and Mean Absolute Deviations of Sidney’s and Phil’s Grades Sidney Phil Mean 82 78 Mean Absolute Deviation 3.28 3.96 Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Read more about Mean Absolute Deviation at; brainly.com/question/447169

#SPJ1

6 0
2 years ago
tessa wants to make a bandana for her dog by folding a square cloth into a 45-45-90 triangle. her dog's neck has a circumference
dexar [7]

Answer:

The side length of the square will be 11 cm.

Step-by-step explanation:

Tessa wants to make a bandana for her dog by folding a square cloth into a 45-45-90 triangle.

Her dog's neck has a circumference of about 32 cm. the folded bandana needs to be an extra 16 cm long so Tessa can tie it around her dog's neck.

So, the hypotenuse of the 45-45-90 triangle has a length of (32 - 16) = 16 cm.

As a 45-45-90 triangle is an isosceles right triangle with side length a cm (say), then

\sqrt{a^{2} + a^{2}} = 16

⇒ 2a² = 16² = 256

⇒ a² = 128

⇒ a = 8√2 cm.

Therefore, the side length of the square will be 8√2 cm ≈ 11 cm. (Answer)

8 0
4 years ago
What’s the slope?<br> the line has the given equation y+7=3/5(x-4)
V125BC [204]

Answer:

Slope 3/5

Step-by-step explanation:  

y=3/5x-47/5

3 0
3 years ago
5√-54 in simplest radical form
rjkz [21]

YOUR ANSWER IS 15i radical 6


7 0
3 years ago
A. y = z - xz + w<br> B. y = wz - x<br> C. y = wz - xz<br> D. y = x(w - z)
Alexeev081 [22]

Answer:

y=zw-zx in other words c

Step-by-step explanation:

w= zx+y/z

zw=zx+y

y=zw-zx

7 0
3 years ago
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