In the data set below, what is the lower quartile?89 99 95 87 78.4 96

Answers

Answer 1

Answer: put the numbers in order...
78.4 , 87, 89, 95, 96, 99

Q1 (lower quartile) = 87
Q2 (median) = (89 + 95) / 2 = 184/2 = 92
Q3 (upper quartile) = 96

Answer 2

Answer: The lower quartile is 87.

Hope This Helps You!
Good Luck Studying :)

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What is the answer to 15=k+8.2

Answers

you answer is K= 7.8

Hi there! :)

Answer:

K=6.8

*The answer must have a decimal point.*

Step-by-step explanation:

First, you switch sides.

$k+8.2=15$

Then, you subtract by 8.2 from both sides of an equation.

$k+8.2-8.2=15-8.2$

Subtract by the numbers from left to right.

$15-8.2=6.8$

Final answer is k=6.8

Hope this helps!

Thanks!

Have a nice day! :)

-Charlie

Write the number as hundredths in fraction form and decimal form. 9/10

Answers

0.09

hope this helped!!

Find the radius of the circle whose equation is x² - 10x + y² - 10y = -1.1
7
49

Answers

Answer:

radius = 7 units

Step-by-step explanation:

We are given the equation;

x² - 10x + y² - 10y = -1

We are required to determine the radius of the circle;

We are going to use completing square method to solve for the radius and the center of the circle.

First we make sure the coefficient of x² and y² is 1

x² - 10x + y² - 10y = -1

Then we add the square of half the coefficient of x and y on both sides of the equation;

That is;

$x^2- 10x+((-10)/(2))^2 + y^2+- 10y +( (-10)/(2))^2= -1 +((-10)/(2))^2+ ((-10)/(2))^2$

Simplifying the equation, we get;

$(x-(10)/(2))^2 + (y-(10)/(2))^2= -1+25+25$

Thus;

$(x-(10)/(2))^2 + (y-(10)/(2))^2= 49$

That is;

$(x-5)^2 + (x-5)^2 = 49$

The equation of a circle is written in the form of;

$(x-a)^2+(x-b)^2=r^2$

Then (a, b) is the center and r is the radius.

Therefore;

In our case; $(x-5)^2+(y-5)^2=49$

Then, center = ( 5, 5)

radius = √49

= 7 units

in Farm A, 4/5 of the number of sheep are equal to 1/2 of the number of sheep in farm B. The total number of sheep in farm A and farm B is 845. How many sheep are there in Farm B?

Answers

I believe if I have done this right the answer will be 1352

The scale on the map is 1 cm to 10 km. The distance from Clevend to Cincinnati is 40cm. The scale on the second map is 1 cm to 50 km. What is the distance from Clevend to Cincinnati on the second map? Explain your reasoning

Answers

1cm *10 = 10km
40cm * 10 = 400 km

50km/50 = 1cm
400km/50 = 8cm

A: 8cm

Describe how you would rewrite the fractions 1/6 and 1/4 with their least comon denominator.

Answers

1/6 - 6,12,18,24 (we counted by 6's, 2 times to get 12)
1/4 - 4,8,12,16 (we counted by 4's, 3 times to get 12)

12 is the LCD (Lowest Common Denominator) of the 2 fractions
*Now that we have the denominator, we need to find the numerator

1/12 - 1x2 (why 2? well because we had to count by 6's, 2 times to get 12)
1/4 - 1x3 (why 3? well because we had to count my 4's, 3 times to get 12)

2/12 and 3/12 is the answer

I hope you get it!!

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