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3 years ago

Please help me . There is the picture

Mathematics

1 answer:

kiruha [24]3 years ago

5 0

THE ANSWER FOR THIS IS 5^1

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A team of psychologists studied the effect of multitasking on the completion of cognitive tasks. A group of 40 women participate

kakasveta [241]

Answer: Matched-pairs t-test

Step-by-step explanation:

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3 years ago

The proper natation for a normal distribution with a mean of 250 and a standard deviation of 25 is?

Zolol [24]

N(250,25)
That's all it is

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3 years ago

Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?

stiv31 [10]

Given equation of the Circle is ,

$\sf\implies x^2 + y^2 = 25$

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

$\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2$

Here we can say that ,

• Radius = 5 units

• Centre = (0,0)

Finding distance between the two points :-

$\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }$

Here we can see that the distance of point from centre is less than the radius.

Hence the point lies within the circle .

5 0

3 years ago

Read 2 more answers

What is the solution of the equation 4p/6+27

anyanavicka [17]

The answer is 36 I'm pretty sure

7 0

3 years ago

A water balloon shaped like a sphere is filled with water. The water balloon has a diameter of 3 inches. Which measurement is cl

melisa1 [442]

Answer:

Option A. 14.13 cu. in

The volume of the water balloon is 14.13 in³

Step-by-step explanation:

First we calculate the radius

r = 3in / 2

To calculate the volume of a sphere we have to use the following formula:

V = volume

r = radius = 1.5in

π = 3.14

V = ⁴⁄₃πr³

we replace with the known values

V = ⁴⁄₃ * 3.14 * (1.5in)³

V = 4.187 * 3.375 in³

V = 14.13 in³

The volume of the water balloon is 14.13 in³

8 0

3 years ago