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3 years ago

What is the median ofthe data setgiven below? 42, 20, 12, 15, 18, 15, 29, 33?

1 answer:

3 0

12, 15, 15, 18, 20, 29, 33, 42

18 and 20 are in the middle, add and divide to find the answer.

18 + 20 = 38

38 / 2 = 19

19 is the median.

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What is the equation of the line h Th ya has a y intercept of (0,-3) and passes through the point (-9,-9)

Nikolay [14]

Answer:

The line equation is given as: 3 y = 2 x - 9

Step-by-step explanation:

Here, Y intercept is at point ( 0.-3)

So, at x = 0, y = -3

or, C = -3

Also, the point on the equation line is (x,y) = (-9,-9)

Now, by SLOPE INTERCEPT FORM of a line equation,we get:

y = m x + C : m = slope of line ......... (1)

So, substituting the values of C and (x,y) , we get:

-9 = m (-9) + (-3)

or, -9 + 3 = - 9 m

or, m = -6/-9 = 2/3

or, m = 2/3

Now, substitute the value of m back in to the line equation (1)

$y = m x + C \implies y = (\frac{2}{3}) x - 3\\\implies 3y = 2x - 9$

Hence, the line equation is given as: 3 y = 2 x - 9.

5 0

4 years ago

Am i correct? What is the answer to the next one?

podryga [215]

Answer:

With base of 3: $3^{4}$

With base of 9: $9^{2}$

Step-by-step explanation:

Use 3 and 9 as the base of the power.

$3^{4} =81\\9^{2} =81$

8 0

3 years ago

Mia bought a 100-pound bag of dog food h he gave his dog the same amount each week the dog food lasted 8weeks how much did He gi

Nana76 [90]

Answer:

12.5 pounds

Step-by-step explanation:

If he has 100 lbs of dog food, and you need to evenly distribut it, do

100/8 =12.5

4 0

3 years ago

Would you rather lose the ability to cry or cry every day for 20 minutes randomly?

AlladinOne [14]

Answer:

Lose the ability to cry because i dont cry that much

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

a film canister in the shape of a cylinder has a height of 8 centimeters and a volume of the film canister. write an equation fo

uranmaximum [27]

Answer:

Part a) The equation for the volume of the film canister is

$32\pi=\pi r^{2}(8)$

Part b) The radius of the film canister is $2\ cm$

Step-by-step explanation:

The complete question is

A film canister in the shape of a cylinder has a height of 8 centimeters and a volume of 32π cubic centimeters.

a. Write an equation for the volume of the film canister.

b. What is the radius of the film canister?

Part a) Write an equation for the volume of the film canister

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$

where

r is the radius of the circular base

h is the height of the cylinder

we have

$V=32\pi\ cm^3$

$h=8\ cm$

substitute

$32\pi=\pi r^{2}(8)$ ----> equation for the volume of the film canister

Part b) What is the radius of the film canister?

we have

$32\pi=\pi r^{2}(8)$

$32\pi=8\pi r^{2}$

Simplify

Divide by 8π both sides

$4=r^{2}$

square root both sides

$r=2\ cm$

8 0

3 years ago