this is the third time and i a really annoyed as i am having my time wasted and points
plz help me

This Is The Third Time And I A Really Annoyed As I Am Having My Time Wasted And Pointsplz Help Me

Answers

Answer 1

Answer: A) 20.9 ; B) 34years

Step-by-step explanation:

Given the following :

AGE (X) - - - - - - - 19 - -20 - - - 21 - - - 22 - - - 23

FREQUENCY (F) - 2 - - 3 - - - - 1 - - - - 4 - - - - 1

A)

MEAN(X) = [AGE(X) × FREQUENCY (F)] ÷ SUM OF FREQUENCY

F*X = [(19 * 2) + (20 * 3) + ( 21 * 1)+(22 * 4)+(23 * 1)]

= 38 + 60 +21 + 88 + 23 = 230

SUM OF FREQUENCY = 2 + 3 + 1 + 4 + 1= 11

MEAN(X) = 230 / 11

X = 20.9

B)

WHEN A NEW PLAYER WAS ADDED :

MEAN (X) = 22

Let age of new player = y

Sum of Ages = 19 + 19 +20 + 20 + 20 + 21 + 22 + 22 + 22 + 22 + 23 + y

Number of players = 11 + 1 = 12

Mean(x) = sum of ages / number of players

New mean (x) = 22

x = (230 + y) / 12

22 = (230 + y) / 12

Cross multiply

264 = 230 + y

y = 264 - 230

y = 34 years


Related Questions

What is the greatest common factor of 40, 8, and 24?

Answers

the greatest common factor is 8!!

Halle el valor de "h" del punto centro de la ecuación de la circunferencia cuyo diámetro es el segmento de la recta que une los puntos A(2,3) y B(4,−1):

Answers

Answer:

El punto es (3, 1)

Step-by-step explanation:

Sabemos que la ecuación de un circulo centrado en el punto (a, b), con radio R, se escribe como:

(x - a)^2 + (y - b)^2 = R^2

En este caso, sabemos que el diametro de nuestro circulo es igual al segmento que uno los puntos A(2, 3) y B(4, -1) (y el diametro es el doble del radio)

Entonces el centro del punto es exactamente el punto medio en el segmento dado.

Para encontrar el punto medio en el segmento dado, tenemos que encontrar el punto medio entre los valors en x, y el punto medio entre los valores en y.

Donde el punto medio entre dos valores a y b se calcula como:

punto medio = (a + b)/2  

El punto medio en x es:

x = (2 + 4)/2 = 3

El punto medio en y es:

y = (-1 + 3)/2 = 2/2 = 1

Entonces el punto medio en el segmento es:

C(x, y) = C(3, 1)

Esto quiere decir que el centro de la circunferencia va a ser el punto (3, 1)

Use the distributive property to multiply combine like tems & find the equation
6x(6x+3)-3(6x+3)

Answers

Answer:

Solution: 36x2−9

Step-by-step explanation:

So, you always have to start with distrubuting which is basically dividing.

Heres the equation that I started with. You can do it differently of course.

36x2+18x-3(6x+3)

combine like terms.

36x2-9

, your solution will be

36x2-9


Find the sum of the first six terms of the geometric sequence.

an = 8(3)n-1
2,952
8,774
2,910
2,912

Answers

Answer:

yegegeggg

Step-by-step explanation:

hehehheeuue

Answer:

the answer is 2,912

Step-by-step explanation:

i just took the test

Can someone please help me with math.

Answers

I think that the correct answers are a,d,c

Question 2 (1 point)

What is the length of a day-night cycle? Is it the same everywhere on Earth?

12 hours - yes; because the sun rises and sets in the exact same place every day

relative to Earth.

12 hours - no; because depending on where you are on Earth, you have a

different amount of sunlight.

24 hours - yes; because the sun rises and sets in the exact same place every day

relative to Earth

24 hours - no; because depending on where you are on Earth, you have a

different amount of sunlight.

Answers

Answer: 24 hours - no; because depending on where you are on Earth, you have a  different amount of sunlight.

Step-by-step explanation:

The day-night cycle is a complete day or a complete rotation of the earth around its axis. This takes 24 hours which is why 24 hours is the length of a full day.

People around the world however, do not get the same amount of sunlight or darkness and this is because of where they are on Earth. Due to the way the planet is tilted on its axis, some areas see sunlight more than other in a period and others see more darkness.

The area of a trapezoid is (1/2)h(b1 + b2). A trapezoid has an area of 50 in2. If the bases are 12 and 8 inches, what is the height?

Answers

Answer:

5 in.

Step-by-step explanation:

Given that

b1 = 12

b2 = 8

A = 50

Formula is (1/2)h(b1 + b2), on substituting

50 = 1/2 * h(12 + 8)

50 = 1/2 * h(20)

100 = 20h

h = 100/20

h = 5

The height is 5 in

In 2007, the population of Tallahassee, Florida was 168,979. Some researchers believe that the population of Tallahassee will increase at a rate of 1% each year. If this is correct, how many years will it take for Tallahassee to reach a population of 180000. Round appropriately and write units. ​

Answers

Answer:

Number of year in which population will be 180,000 = 6 year (Approx.)

Step-by-step explanation:

Given:

Population in 2007 = 168,979

Rate of increase in population = 1% = 0.01

Future population = 180,000

Find:

Number of year in which population will be 180,000

Computation:

A = P[1+r]ⁿ

Future population = Population in 2007[1+Rate of increase in population]ⁿ

180,000 = 168,979[1+0.01]ⁿ

180,000 = 168,979[1.01]ⁿ

1.06522 = [1.01]ⁿ

n = 6 (Approx.)

Number of year in which population will be 180,000 = 6 year (Approx.)

The table below shows the distribution of students in a sixth grade drama
club What is the ratio of the number of girls to the number of boys? 18 boys 28 girls

Answers

Step-by-step explanation:

9:14

Hope this helps xxx

What is the mean? If the answer is a decimal, round it to the nearest tenth.
-2, 0, -3 ,0, -3, 0, -5,6,0

Answers

add up all the numbers together, then divide by the amount of numbers in the sequence
you would get -0.8

Colton sold a total of 28 tee shirts and sweatshirts as a fundraiser for his football team. If tee shirts cost 12 dollars each and sweatshirts cost 20 dollars each and he raised a total of 424 dollars how many tee shirts did he sell?

Answers

Answer:

17

Step-by-step explanation:

Create a system of equations where t is the number of t shirts he sold, and s is the number of sweatshirts he sold

t + s = 28

12t + 20s = 424

Solve by elimination by multiplying the top equation by -20, then adding them together

-20t - 20s = -560

12t + 20s = 424

-8t = -136

Solve for t:

t = 17

So, Colton sold 17 t shirts

Help with math please

Answers

a=1, b=-2, c=5
the axis of symmetry is 2/2 which equals 1.
the vertex would be (1,4)

Type the correct answer in each box The three interior angle measures of this triangle are
x = __ °
y = __ °
z = __ °​

Answers

Answer:

x=30

y=70

z=80

step by step explanation:

Find the discriminant.
4w 2 + 8W + 4 = 0
How many real solutions does the equation have?
no real
solutions
one real
solution
two real
solutions

Answers

Answer:

one real solution being only -1

Step-by-step explanation:

Solve for w over the real numbers:

4 w^2 + 8 w + 4 = 0

Divide both sides by 4:

w^2 + 2 w + 1 = 0

Write the left hand side as a square:

(w + 1)^2 = 0

Take the square root of both sides:

w + 1 = 0

Subtract 1 from both sides:

Answer: |

| w = -1

Answer:

[tex]Discriminant=0\\b)\ One\ Real\ Solution[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that:\\4w^2+8w+4=0\\We\ know\ every\ quadratic\ equation\ can\ be\ represented\ in\ the\ form\ of:\\ax^2+bx+c=0,\ where\ x \neq 0\\Hence,\\Lets\ first\ recognize\ the\ co-efficients\ of\ the\ algebraic\ terms( x^2,\ x,\ x^0),\\ which\ are\ a,b\ and\ c\ respectively.[/tex]

[tex]Hence,\\4w^2+8w+4=0\\4(w^2)+8(w)+4(w^0)=0\\Hence,\\a=4,\ b=8,\ and\ c=4.[/tex]

[tex]Now,\\We\ can\ decide\ the\ nature\ of\ roots\ the\ quadratic\ equation\ has,\ by\ looking\\ at\ its\ Discriminant.\\Hence,\\Lets\ first\ find\ the\ Discriminant\ for\ our\ equation:\\[/tex]

[tex]We\ know\ that,\\Discriminant=b^2-4ac\\\\Substituting\ a=4, b=8, c=4\ in\ the\ Discriminant\ Formula,\ we\ get:\\8^2-4*4*4\\=64-64\\=0\\Hence,\\Discriminant=0[/tex]

[tex]We\ also\ know\ that\ if,\\D>0, The\ equation\ forms\ 2\ distinct\ real\ roots.\\D=0,The\ equation\ forms\ only\ one\ real\ root\ exactly\ at\ the\ x-axis.\\D<0,\ The\ equation\ forms\ Imaginary/Complex\ Roots\ or\ basically\ no\ real\ roots.[/tex][tex]Here,\\As\ D=0,\\The\ equation\ forms\ only\ one\ Real\ root\ or\ has\ only\ one\ solution.[/tex]

Four people have measured the height of a wall using different methods. Their results are shown in the table. Order their measurements from least to greatest

Answers

Answer:

5/2, 2.6, 1 + sqrt(3), sqrt(8)

Step-by-step explanation:

Use a calculator:

sqrt(8) = 2.83

5/2 = 2.5

2.6 = 2.6

1 + sqrt(3) = 2.73

Answer:

5/2, 2.6, 1 + sqrt(3), sqrt(8)

Pls answer and no bs link or I’ll report

Answers

Answer:

No solution

Step-by-step explanation:

One solution is when two lines intercept

Infinite solutions is when two lines are on top of each other

No solution is when two lines are parallel

If a triangle has a right angle and a 30 degree angle, what is the measure of the third angle?

Answers

Answer:

60

Step-by-step explanation:

All triangles have a total measurement of 180 degrees. So to find the last angle measure subtract 90 and 30 from 180, 180-(90+30). This equals 60 degrees. Additionally, a triangle with a 90 and 30 degree angle is known as a 30-60-90 special right triangle. All of these triangles will have 60 as their third measurement.

I think the answer is 60 I’m not sure but good luck

Solve by using elimination.
2x+3y=12
-4x-6y=-24

Answers

Answer:

Hi! The answer to your question is (x,4-[tex]\frac{2x}{3}[/tex])

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆*: .。..。.:*☆☆*: .。..。.:*☆☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

☁️ Answer ☁️

2x+3y=12, -4x-6y=-24

I got:

x=x, y=4 - 2x/3

(Im not sure if I solved it correctly)

Hope it helps.

Have a nice day noona/hyung

the answer is D.
explain how to get the answer??

Answers

Answer:

[tex] - 5 \leqslant x - 2 < 4[/tex]

[tex] - 5 + 2 \leqslant x < 4 + 2[/tex]

[tex]3 \leqslant x < 6[/tex]

Step-by-step explanation:

add +2 for both sides

to make x as a subject

helppppppppppppppppppppppppppppppp

Answers

Answer:

that link is a scam do not click on it

Step-by-step explanation:

there are people going around typing this link it guves your phone a virus

Find the volume of the prism as pictured below with base area 10 cm2 and
h = 32 cm. Do not include units in your answer.

Answers

Answer: 320
Explanation: Volume= Bh, where B is the base area and h is the height. So to find the volume you need to multiply B (10 cm) by h (32) to get your answer, which is 320.

A store is offering a discount of 15% on fishing rods what is the amount a customer will pay for a rod regularly priced at $25.00

Answers

Answer:

$21.25

Step-by-step explanation:

$25 x 0.85 = $21.25

When I have walked 20% of the way to school, I have 1200 metres more to walk than when I have 20% of the walk remaining.

How far, in metres, is it from my home to my school?

Answers

Answer:

The house is 2000 meters from the school.

Step-by-step explanation:

Given that, when I have walked 20% of the way to school, I have 1200 meters more to walk than when I have 20% of the walk remaining, to determine how far, in meters, is it from my home to my school the following calculation has to be done:

100 - 20 = 80

80 = 20 + 1200

80 - 20 = 1200

60 = 1200

1200/60 = 20

20 x 100 = 2000

Therefore, the house is 2000 meters from the school.

(answer to get BRAINLYLIST)algorithm to find fehrenhit where clcius is 99

Answers

Answer:

210.2

Step-by-step explanation:

Formula

(99°C × 9/5) + 32 = 210.2°F

A number cube with the numbers 1 through 6 is rolled. Find the given probability

Answers

Answer:

1/6

Step-by-step explanation:

because there is six sides

option 2, [tex]\frac{2}{6}[/tex]

Apply distributive property: 5(2 + x) *
10 points
10 + x
10 + 5x

Answers

Answer:

10 + 5x

Step-by-step explanation:

Answer:

The answer is 10 + 5x.

Step-by-step explanation:

Expand by distributing term.

[tex]5 \times 2 + 5x[/tex]

Simplify 5 × 2 to 10.

[tex]10 + 5x[/tex]

Therefor, the answer is 10 + 5x.

Adele ate lunch at a restaurant. The bill came to $90. If she left a 15% tip, how much was the
tip?

Answers

Answer:

$13.50

Step-by-step explanation:

The total is $103.50.

the answer is 13.50 so the first guy was right

How many degrees are measured in the interior angles
of a triangle?

Answers

Answer:

180 degrees

Step-by-step explanation:

Answer:

180 °

Step-by-step explanation:

Help me with this I don’t really understand it

Answers

Answer:

Could you please help me with the two most recent questions of mine on my page? I will give u brainliest and 20 points! :))) X

Step-by-step explanation:

Hey, if you can help me with this then please. I really need this done. :)

Answers

Answer:

97 oz.

Step-by-step explanation:

1 lb.=16oz

3+2 lbs = 5 lb's which equals to 80 oz.

then add the extra ounces 7+10 = 17

80 + 17 = 97 oz.

Answer:

D.

Step-by-step explanation:

There are 16 ounces in one pound.

3 X 16 = 48 + 7 = 55 ounces for the first book.

2 X 16 = 32 + 10 = 42 ounces for the second book.

55 + 42 =  97 ounces.

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