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3 years ago

(EXTRA POINTS) Which of the following relations is a function? file in question

Mathematics

1 answer:

Taya2010 [7]3 years ago

6 0

I think it is a I am not sure though

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What is the difference between the mean and median (rounded to the nearest tenth) of these numbers 6,6,6,7,7,7,8,8,8,9

Nadusha1986 [10]

The median is the moddle number of a data set. If the number of numbers is even add the 2 middle numbers and divide by 2.

Median = (7+7)÷2 = 7

The mean is the averagw value in a data set. You find it be adding all the numbers and then divide the answer by the number of numbers.

Mean: (6+6+6+7+7+7+8+8+8+9) ÷ 10

= 72 ÷ 10 = 7.2

Happy to help! Marking my answer as the Brainliest would really be aprreciated.

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3 years ago

Alec's total payment for his loan was $19,440. what was his monthly payment if he paid it off after making 60 monthly payments?

horsena [70]

I think the answer is $324

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3 years ago

Is a simple random sample is valid true or never true or always or sometimes

hodyreva [135]

Sometimes because it might not always be true

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3 years ago

What is the inverse of f(x)=(3x+2)/(5x-2)?

yKpoI14uk [10]

Answer:

y= 2x=2/5x - 3

Step-by-step explanation:

swap the variables: y=3x+25x−2 becomes x=3y+25y−2.

Now, solve the equation x=3y+25y−2 for y.

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3 years ago

The diagram shows a square ABCD with sides of length 20cm. it also shows a semi circle and an arc circle AB is the diameter of t

Brut [27]

Answer:

Area of Shaded Region $=50\pi$ cm^2$

Area of Semicircle $=50\pi$ cm^2$

$\dfrac{\text{Area of Shaded region}}{\text{Area of Square}}=\dfrac{ \pi}{8}$

Step-by-step explanation:

Area of Shaded Region = Area of Sector - Area of Semicircle

<u>Area of Sector</u>

Radius of the sector =20cm

$=\frac{90}{360}X\pi *20^2\\ =100\pi cm^2$

<u>Area of Semicircle</u>

Since AB is the diameter of the semicircle

Radius of the Semicircle=20/2=10cm

Area of semicircle

$=\frac{\pi r^2}{2}\\ =\frac{\pi *10^2}{2}\\=50\pi cm^2$

Therefore, area of Shaded Region

$=100\pi -50 \pi\\=50\pi$ cm^2$

Area of Square =20 X 20 $=400 cm^2$

$\dfrac{\text{Area of Shaded region}}{\text{Area of Square}} \\=\dfrac{50 \pi}{400} \\=\dfrac{ \pi}{8}$

4 0

3 years ago