25 points for this please help with step by step

a) 20.9

    The mean is calculated by adding up the scores and dividing the total by the number of scores, it is also called the average.

    First, we can count and see there are 11 players (makes sense for a football team). Adding up the ages gives us 19 + 19 + 20 + 20 + 20 + 21 + 22 + 22 + 22 + 22 + 23 = 230. Divide by 11 and we get a mean of of about 20.9!

b) 30

To figure this out, we will set up an equation that looks like this:

[tex]\frac{19 + 19 + 20 + 20 + 20 + 21 + 22 + 22 + 22 + 22 + 23+x}{12} =22[/tex]

And now we will solve:

[multiply both sides by 12] 230 + x = 264

[subtract 130 from both sides] x = 30

So the age of the new player should be 30!

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Answer:

For A its 21

Step-by-step explanation:

add all the numbers which is 105, then divide it by 5 because thats how many numbers we have. the answer is 21

Which expression is equivalent to 4( x + 3)?

I need help with this

Why is taking a census better than taking samples in a survey?

use fraction strips to find the sum. Write your answer in simplest form.

1/3 + 1/4
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Please help! 10 POINTS 5 for answering, 5 if gotten brainliest.
Thanks!
Helpful!!

Item 4
Solve.

x2=−0.73

What is the solution to the equation?

Enter your answer as a decimal in the box.

Can someone plz help me
Reward crown , a thanks , and a 5 star rating

Create a proportion from the given set of numbers:

Example: 1, 6, 2, 3
Proportion is 1:2=3:6

25) 3, 6, 7, 14
Proportion is _________________

26) 2, 6, 5, 15
Proportion is _________________

27) 7, 2, 14, 4
Proportion is _________________

28) 2, 2, 1, 4
Proportion is _________________

29) 10, 5, 8, 4
Proportion is _________________

30) 3, 12, 8, 2
Proportion is _________________

Use each integer only once. You must have each row, column, and diagonal adding up to the magic sum.
I need help ASAP.
thank you

A chef needs to choose a pan that will allow food to cook as quickly as possible for a special recipe and has decided that he will use one of three pans. Each pan has the same dimensions and design but is made of a different type of metal. The chef will design an experiment that will test and rank the thermal conductivity of the pans by cooking a hamburger patty to an internal temperature of 170 °F in each pan on the same stove burner. The thermal conductivity is the rate of transfer of energy in the form of heat over a period of time through a material.
Describe how thermal conductivity can be measured and compared for each of the pans.

I just need the ratio and the explanation, Lin, Diego, and Elena are competing to see who can finish their book the fastest.

Lin read the first 54 pages from a 270-page book in the first 3 days.

Diego read the first 100 pages from a 320-page book in the first 4 days.

Elena read the first 160 pages from a 480-page book in the first 5 days.

If they continue to read every day at these rates, who will finish first, second, and third? Explain or show your reasoning:

In your own words, explain to me what is absolute value? Make sure to talk about the definition of it, how you find it, and how it's different from just plotting an integer on a number line. You must provide 3 sentences or more.

Which number line shows the solution set for StartAbsoluteValue 2 p minus 4 EndAbsoluteValue greater-than-or-equal-to 6?
A number line going from negative 6 to positive 6. Closed circles are at negative 5 and positive 5. Everything between the points is shaded.
A number line going from negative 1 to positive 8. Closed circles are at negative 1 and positive 5. Everything to the left of negative 1 and to the right of positive 5 is shaded.
A number line going from negative 6 to positive 6. Closed circles are at negative 5 and positive 5. Everything to the left of negative 5 and to the right of positive 5 is shaded.
A number line going from negative 1 to positive 8. Closed circles are at negative 1 and positive 5. Everything between the points is shaded.

Find x in the following (it’s not allrealnumbers, 0, no solutions by the way, i checked)

Simplify the following expression 4(x−8)−7x + 3 (in a test)

Chicago has a temperature of -10 degrees Fahrenheit (°F). It is colder in Minneapolis than in Chicago.

Select all values that could represent the temperature of Minneapolis.

12°

8°

-8°

-12°

-20°

Help plsssssssssssssss

so this is for khan academy and I would really like some help with it :)

Answer 2,4,6 please!!!

A dugout needs to reach at least 72 feet below ground level. This means it needs to be more than 4 1/2 times its current depth. This depth is represented by the inequality 4 1/2 d < -72, where d is the current depth of the dugout.

The current depth of the dugout is ________ area feet below ground level.

Greater than 16


Fewer than 16


Greater than -16


Fewer than -16

Mr. bell earns $2,840 per month. If his state income tax rate is 2.5% how much does he owe per year for state income tax?

Can y’all HELPPPP MEEEEEEE PLEASEEEEE

I need help with this pls

3/4% of 170 Please write helpful answer

Please help me I will give brainliest!

Pls help me this is so hard

extra points and brainllyest.
Solve ten and one seventh plus two and five sevenths.

eight and twelve forty ninths
eight and six forty ninths
twelve and four sevenths
twelve and six sevenths

Jessie typed the first 300 words of her essay in 12 minutes. She then got tired and typed the remaining 300 words of her essay in 15 minutes. what was the average speed of Jessie's typing?

Jazmyn uses 2 gallons of paint to paint 5 walls. He uses 4 gallons of paint to paint 10 walls. How many gallons of paint does he use per wall?

In pea plants, the gene for the color of the seed has two alleles. In the following Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.

Based on the Punnett square, what percentage of offspring would be expected to have green seeds?

Screenshot below if u don't understand and the diagram :)