Mathematics High School

The average January surface water temperatures (°C) of Lake Michigan from 2000 to 2009 were 5.07, 3.57, 5.32, 3.19, 3.49, 4.25, 4.76, 5.19, 3.94, and 4.34.


The mean value of these temperatures is 4.312.


What is the variance of this data set?
Will give Brainliest

The Average January Surface Water Temperatures (C) Of Lake Michigan From 2000 To 2009 Were 5.07, 3.57,

Answers

Answer 1

Answer:

0.5192

Step-by-step explanation:

Answer 2

Answer:

UwU

Step-by-step explanation:

Related Questions

The temperature in Baku, Azerbaijan dropped over five hours from zero degrees Fahrenheit to negative fifteen degrees Fahrenheit. If the temperature dropped the same amount each hour, how much did the temperature change each hour?

Answers

Answer:

its either 3 or -3 hopefully someone in the comments can tell which

Step-by-step explanation:

EASY QUESTION**

Just give me any equation with two turning points and intercepts the x axis three times

Answers

f(x)= -x^3+x ( don’t add the ^ but replace it with the 3 if you know what i mean )

HELP ME FOR BRAINLESS Mr. Erikson plans to tile the floor of the hallway in a school, as shown in the
diagram below. Intersecting sides of the diagram meet at right angles.
O
150
14 ft
5 ft
O
154
O
162
15 ft
O
174
CLEAR ALL
Bft
The tiles are squares measuring one foot on each side. What is the
minimum number of tiles that Mr. Erikson needs in order to tile the floor?

Answers

The minimum tiles Mr. Erikson needs to buy is 150.

answer this for brainilest and 11 points

Answers

Answer:

(9, - 13.5 )

Step-by-step explanation:

Since the dilatation is centred at the origin then multiply the coordinates by the scale factor, then

R (6, - 9 ) → R' (1.5(6), 1.5(- 9) ) → R' (9, - 13.5 )

From the set {7, 15, 18), which of the values can be substituted for c to make the
equation true.

90 - 2c = 60

A. 7
B. 18
C. none of these
D. 15

Answers

Answer:

D. 15

Step-by-step explanation:

90 - 30 = 60

2 • 15 = 30

the answer is 15

PLEASEE help I’m stuck on this

Answers

Answer:

x = √149

Step-by-step explanation:

Compartmentalize the odd figure into a rectangle (with sides 3 and 7) and a triangle (with sides 10 and x). Now, that you have a triangle, you can use the rectangle underneath to find the bottom side of the triangle--it is 7. The triangle that has been formed is a right triangle, so we can use the Pythagorean Theorem to find x, which is the hypotenuse.

10² + 7² = x²

100 + 49 = x²

149 = x²

√149 = x

Answer:

7√2

Step-by-step explanation:

Remark

Draw another line parallel to 7.

Move to the other end of 3

that makes the vertical leg on the left 10 - 3 = 7

You now have a smaller right triangle.

Equation

a = 7

b = 7

c = x

Solution

x^2 = 7^2 + 7^2

x^2 = 49 + 49

x^2 = 98

x^2 = 7 * 7 *2

sqrt(x^2) = sqrt(7 * 7 * 2)

The rule about square roots is for every pair of factors you can take one out of the square root sign and throw the other one away.

x = 7 sqrt(2)

Find the volume of the rectangular prism below.

Answers

Answer: 540 cm cubed

Step-by-step explanation:

Formula = L*W*H

18 * 7.5 * 4 = 72 * 7.5 = 540

Angle α is acute such that cos α = 53
Angle β is obtuse such that sin β = 12
(a) Find the exact value of
(i) tan α
(ii) tan β
(b) Hence show that
tan(α + β) = (m rt3 − n) / (n rt3 + m)
where m and n are positive integers whose values are to be found.

Answers

Answer:

Do You have a picture?

Step-by-step explanation:

PLS HELP!!
Find the length of AB.

Answers

Answer:

About 9.4 units

Step-by-step explanation:

3. Desde un punto del suelo se ve un pararrayos bajo un ángulo de 60°, si nos alejamos 3m, vemos el pararrayos con un ángulo de 45°. Calcule la altura del pararrayos.

Answers

45 ructions fav is a great deal on my iPad so I can get a new update and I can do more to make more than I was making

Ali writes the expression "half of the sum of $9$ and a number." Write an algebraic expression that is equivalent to Ali's expression. Write a second algebraic expression that is different from, but equivalent to, your first expression.

Answers

Answer:

1 ÷ 2(9 + x)

4.5 + 0.5x

Step-by-step explanation:

Given that

We write the expression i.e. half of the sum of $9 and a number

Here we need to write the two expression that is different from each other

So,

Let us assume the number be x.

Now The first equation depend on the information given will be:

= 1 ÷ 2(9 + x)

And, The second equation is

= (9 + x) ÷ 2

= 4.5 + 0.5x


Someone answer this please

Answers

Answer:

y = - 27/5

Step-by-step explanation:

4(3) - 5y = 39

12 - 5y = 39

-5y = 39 - 12 = 27

y = - 27/5

821% of what number is 821?


(I'll mark brainliest if you give a valid answer)​

Answers

Answer:

100

Step-by-step explanation:

100×821/100= 821

so the answer is 100

i need help with question 2!!!! please help soon this is graded and i will give u brainliest!!!

Answers

Answer:

12.

Step-by-step explanation:

Area = base * perpendicular height

= 6 * 2 = 12.

Answer:

12 square units

Step-by-step explanation:

6 x 2 = 12

The ends of the parallelogram are triangles, so you can just multiply the base times height.

A sequence is defined by the rule a= -3(2) n-1 . What is the 5th term of the sequence

Answers

Answer: -48

an=-3(2)^n-1
= -3(2^n)(2^-1)
= -0.5(2^n)
= -0.5(2^5)= -48

i need help with this plsss

Answers

The answer to it is
X=-42

which value for s will make this equation true? s(11-s)=24

answer choices:
8
4
6
5

Answers

8 cause 88-64=24(you have to distribute)

hiii please help i’ll give brainliest:)

Answers

Answer:

A. Mountains and water divided the land.

Step-by-step explanation:

The box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale.



Which measure of variability can be compared using the box plots?



interquartile range



standard deviation



mean



median

Answers

Answer:

Interquartile age

Step-by-step explanation:

The box plots that is being referred to are missing, however, we can still answer this without the box plots.

The appropriate measure of variability that can be easily determined by a box plot is the interquartile range. Which is the difference between the 3rd quartile and the 1st quartile.

On a box plot, the first quartile is the data value ta the beginning of the edge of the rectangular box while the third quartile is at the end of the edge of the rectangle box. So, this makes is easy for use interquartile range as a measure of variability when comparing both.

Answer:

Interquartile range (IQR)

explanation:

Mean and median are both measures of center so it can't be those two, and the standard deviation is a measure of variability but only when the graph, box plot or any other type of graph is symmetric

Hope it helps!

Find two numbers that up to 158. The greater number is 40 more than the lesser number.

Answer:
A. 70 and 110
B. 99 and 59
C. 80 and 78
D. 98 and 60
E. 100 and 68

Answers

99 and 59

X=big number
X-40 = small

X+ x-40 =158
2X -40=158
2X =198
X=99. Big number is 99
99-40 =59

99+59=158

A sphere with a diameter of 14 inches.
What is the appoximate surface area of the sphere? Use 22/7
for π. in²

Answers

Answer:

615.752

Step-by-step explanation:

please mark as brainliest if correct

thank you

Answer:

$ 15. 752 is the answer.

David drove 36 mph and reached camp in 1.5 hours. How long will it take him to drive home if he takes the same route and drives 45 mph?

Answers

Answer:

1.2 hours, or 72 minutes

Step-by-step explanation:

If David drove for 1.5 hours at 36 mph, that means that he traveled a distance of (36*1.5) = 54 miles.

If he takes the same route at a speed of 45 mph instead, he will reach his destination in (54/45) = 1.2 hours, which is equivalent to 72 minutes.

Answer:

1.2 hours

Step-by-step explanation:

to find distance for 36 mph

0.5 hour is 18 miles

so 36m+18m

= 54 miles for 1.5 hours

and to find time for 45 mph

[tex]54 \div 45 = \frac{6}{5} \\ = 1.2[/tex]


Graph the line that represents the equation y=-2/3x + 1​

Answers

Answer:

Use desmos graphic calculator

Step-by-step explanation:

Find 2.1 x 32
Find 2.3 x 5.8
Find 7.5 x 23.4

Answers

Answer:

69

Step-by-step explanation:

trust me

Answer:

1. 67.2

2.13.34

3. 175.5

Step-by-step explanation:

i just want friends.. LOL but hi im from the U.S. Im friendless.. PAIN but ill tell you about me, I like math and biology. my first language is Spanish, I know American sign language. i love helping others. my favorite movie is matilda and coco:) and I like the number 8, lets be friends:)

Answers

Hi nice to meet u ! U seem like such a sweet cool person-----------------------------------------------------------i need friends too :)

Answer:

hi same im from the us and my fist language is Spanish also i hate math but like history and i like anime favorite anime is AOT favorite manga is berserk and favorite game to play is terraria

Step-by-step explanation:

Now that you’ve made the cake, it’s time to go shopping for a present. You have $30
to spend and you decide you want to buy your friend a book and an iTunes gift card.
The book you want is $15.99 regular price, but is on sale for 25% off. After you buy
the book, how much will you have left for the gift card (round up to the nearest
dollar)?

Answers

Answer:

18.0075

Step-by-step explanation:

Find the volume of the figure below. Round your answer to the nearest hundredth if necessary,
8 mi
6 mi
8 mi
4.3 mi
11 mi
97.3 mi?
Ob
177.8 mi?
255.5 mi?
Od
189.2 mi?

Answers

Answer:

d.   V = 189.2 mi³

Step-by-step explanation:

V = Bh

V = (11 mi)(4.3 mi)/2 × 8 mi

V = 189.2 mi³

ahorita comento la foto de mi procedimkentl

50 POINTS pleaseee help its URGENT!!!! Ill give brainlist and if there all right i might send u 20 dollars!!! Pleasee help me!!

Answers

Answer:

A. 22°

E. 15

I. 39°

F. 71°

C. 25.6

H.12.9

K.55°

Step by Step Explanation:

1. [tex]cos^{-1}(52/56)=21.7867893 or 22[/tex] degrees

2. 22sin43=15

3. [tex]tan^{-1}(34/42) or 38.990999404 or 39 degrees[/tex]

4. [tex]sin^{-1}(51/54)=70.81186355 or 71 degrees[/tex]

5. 20/(tan38)=25.58883264 or 25.6

6. 20sin40=12.85575219 or 12.9

7. [tex]cos^{-1}(26/45)=54.70560532 or55 degrees[/tex]

Hope that helps!:)

Write the equation of the line graphed at the right.

Answers

Answer:

x = -3

Step-by-step explanation:

You can see on the graph, it’s going straight vertically. The x value will always be -3 while the y value is infinite.

Answer:

x = -3

Step-by-step explanation:

Find the distance between points.

Answers

Answer:

4 Units

Step-by-step explanation:

Here, The distance between two points is 4 units

-TheUnknownScientist

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