Stillwater junior high divide students into teams top by group of teachers the table shows the number of students in each team The principal uses a computer to randomly select the name of students from all the students in the school with the computer program it is possible to draw the name of the same student twice if the principal select the name of a student from the acres on the first try what is the probability that she will draw the name of another student from the acres on the second try

Answers

Answer 1

Using the probability concept, it is found that there is a $\frac{39}{200}$ probability that she will draw the name of another student from the acres on the second try.

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, researching the full question in the internet:

In total, there are 400 students.Of those, 78 are acers.

As it is possible to draw the name of the same student twice, trials are independent, that is, the poll will have 400 students, of which 78 are acers, hence:

$p = \frac{78}{400} = \frac{39}{200}$

$\frac{39}{200}$ probability that she will draw the name of another student from the acres on the second try.

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Answer 2

A. The probability is the same on every draw, since no names are removed when drawing: 80/400=1/5

Related Questions

if 4/7 of students prefer cereal for breakfest how many pefer ceareal out of 147 students

Answers

Answer:

Step-by-step explanation:

4/7 of 147 = 4/7 x 147/1

Find each sum. Write in simplest form. 2/5+2/5=

Answers

2/5 as a decimal would be 0.4 so you would do 0.4 + 0.4 which equals 0.8

Answer:

4/5

Step-by-step explanation:

4/5

2+2=4

denominator stays same

let me know if it helped

Work out the length of AG in the cuboid below.

Answers

The length of the AG in the cuboid is 7.56 cm.

Finding the length diagonal of the cuboid:

To find the Length of the diagonal AG, we need to find the length of AC. Use the Pythagorean formula to find the length of AC. Now use the trigonometric ratios formulas to find the length of AG.

Here we have a cuboid

Where AD = 23 cm, DC = 18 cm and ∠GAC = 75°

From the right angle triangle, ADC

=> AC² = AD² + DC² [ Using the Pythagorean formula ]

=> AC² = (23)² + (18)²

=> AC² = 529 + 324

=> AC = √853 = 29.20

Hence, the length of AC = 29.20

From the right angle triangle, AGC

=> Cos B = AC/AG

=> Cos 75° = 29.20/AG

=> AG = Cos 75° (29.20)

=> AG = (0.26)(29.20)

=> AG = 7.56

Therefore

The length of the AG in the cuboid is 7.56 cm.

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Hey! I’m doing a test and I’m really stuck on this problem

3 (y + 6) + 10 = -8
What is y?

Answers

Answer:

y= -12

Step-by-step explanation:

3y+18+10=-8

Basically just used the distributive property

Combine like terms:

3y+28=-8

-28. -28

3y=-36

y=-12

Answer:

y = -11

Step-by-step explanation:

3(y+6) + 10 = -8

3y + 18 + 10 = -8

3y = -8 - 18 - 10

/3 /3

y = -12

Simplify the square root. Assume all variables represent positive numbers. If the square root is already simplified, so state.

Answers

ANSWER:

$7\sqrt[]{2}$

STEP-BY-STEP EXPLANATION:

We have the following square root:

$\sqrt[]{98}_{}$

We check if we can simplify:

$\begin{gathered} 98=49\cdot2=7^2\cdot2 \\ \sqrt[]{7^2\cdot2}=7\sqrt[]{2} \end{gathered}$

Given the graph, find the initial value of the domain [ ___, 2].

Answers

According to the graph given, and using it's concept, it is found that the initial value of the domain is of 0.

The domain of a function is the set that contains all possible input values.

In a graph, it is represented by the values of x, which is the horizontal axis.

In the graph given in this problem, the function is defined for x between 0 and 2, that is, the domain is [0,2], hence, the initial value of the domain is of 0.

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Jason is buying wings and hot dogs for a party. One package of wings costs $7. Hot dogs cost $5 per package. He must spend no more than $40. Write and inequality to represent the cost of Jason’s food for the party. Jason knows that he will be buying at least 5 packages of hot dogs. Write an inequality to represent this situation. Graph both inequalities. Give two options for Jason when buying wings and hot dogs.

Answers

An inequality to represent the cost of Jason’s food for the party is

An inequality to represent this situation "Jason knows that he will be buying at least 5 packages of hot dogs" is

The two options for buying wings and hot dogs include the following:

One (1) package of wings and five (5) packages of hot dogs.Two (2) packages of wings and five (5) packages of hot dogs.

How to write the required system of linear inequalities?

In order to write a system of linear inequalities to describe this situation, we would assign variables to the number of packages of hot dogs and number of packages of wings respectively, and then translate the word problem into algebraic equation as follows:

Let the variable x represent the number of packages of wings.Let the variable y represent the number of packages of hot dogs.

Since one package of wings costs $7 and Hot dogs cost $5 per package, and he must spend no more than $40, a linear inequality which represents this situation is given by;

7x + 5y ≤ 40

Additionally, since Jason knew he would buy at least 5 packages of hot dogs, a linear inequality which represents this situation is given by;

y ≥ 5

Next, we would use an online graphing calculator to plot the above system of linear inequalities as shown in the graph attached below.

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Jason is buying wings and hot dogs for a party. One package of wings costs $7. Hot dogs cost $5 per package.

SOMEONE HELP 45 POINTS!!!!!! WILL GIVE BRAINLIEST!!!!!! PLEASE
RIGHT ANSWER ONLY

If f(x) = 2x + 1 and g(x) = x − 2, find the quantity f divided by g of 7.

3
10
15
75

Answers

Answer:

Step-by-step explanation:

Step 1: First, we must plug in 7 for x in f(x) and g(x):

f(7) = 2(7) + 1

f(7) = 14 + 1

f(7) = 15

g(7) = 7-2

g(7) = 5

Now, we can divide f(7) by g(7)

f(7) / g(7) = 15 / 5

f(7) / g(7) = 3

Thus, the quantity of f divided by g of 7 is 3

Mrs. Sampson bought 8
packages of clay for a total of $32
for an upcoming art project. At
this rate, how much would 14
packages cost?

Answers

Answer:

$56

Step-by-step explanation:

cost of 8 packages of clay = $ 32

cost of 1 package of clay = 32 / 8 = $4

cost of 14 packages = 14*4 = $ 56

Jane earns £11 400 per year.90169 brs anottoB
After her pay rise she earns £12 198 per year.
What was her percentage pay rise?

Answers

The percentage rise of Jane= 7%.

What is percentage ?

In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.

Percentage Increase/ Rise and Decrease/ Fall

The percentage increase is equal to the subtraction of the original number from a new number, divided by the original number and multiplied by 100.

% increase = [(New number – Original number)/Original number] x 100

where,

increase in number = New number – original number

Similarly, a percentage decrease is equal to the subtraction of a new number from the original number, divided by the original number and multiplied by 100.

% decrease = [(Original number – New number)/Original number] x 100

Where decrease in number = Original number – New number

So basically if the answer is negative then there is a percentage decrease.

In the given question , Jane earns initially = £11 400 per year

After rise Jane earns = £12 198 per year.

Percentage rise = [(New number – Original number)/Original number] x 100

Percentage rise = [( 12198 – 11400)/11400] x 100

= [( 798)/11400] x 100= 0.07 × 100 = 7%

So the percentage rise of Jane= 7%.

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find the exact value of Sin A

Answers

Step-by-step explanation:

sin A = opposite/ Hypotenuse

Sin A = 5/7

Hello !

sin(A) = opposite/hypotenuse = 5/7

arcsin(5/7) ≈ 45,58°

sin(A) = 5/7

the angle A ≈ 45,58°

Arrange the steps in order to simplify the expression

Answers

Answer:

Step-by-step explanation:

For step explanation:

1. write the problem

2. distinguishing the neg sign

3. distributing 3

4. moving like terms next to each other through commutative property

5. Combining like terms

6. getting rid of parentheses

what is 5% of $26.50

Answers

Answer:1.325

Step-by-step explanation:

Given A(-3,2), B(-1,4), and C(-6,3) *
Rotate 180 degrees around the origin. Name the coordinates of B'.

Answers

Answer:

2,6 are the coordinates of B

Step-by-step explanation:

Would y^10/y^10 become 1?

Answers

Answer:

yes

Step-by-step explanation:

If you are dividing it will become 1 because 10 minus 10 equals 0. Anything to the power of 0 is 1 then you keep the base which is y so the answer is y

If you are multipling the answer will be y^10 because 10 plus 10 is 20 and you keep the base which is y

HELP ASAP PIC IS BELOW!!!

Answers

Answer:

55°

Step-by-step explanation:

Vertical angles are similar

Answered by GAUTHMATH

How do you solve 3n-4=14! I need it explained

Answers

Here you go!
3n-4=14
+4 +4
3n=18
(Divide both sides by 3)
n=6

Answer:

n=6

Step-by-step explanation:

3n-4=14

Add 4 to both sides;

3n-4+4=14+4

Simplify;

3n=18

Divide both sides by 3

3n/3=18/3

Simplify;

n=6

List the sample space for rolling a fair 12-sided die.

S = {1, 2, 3, 4, 5, 6}
S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
S = {1}
S = {12}

Answers

The sample space for rolling a fair 12-sided die is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.

What is sample space?

Sample space is a set of all possible outcomes of an experiment or random event. It is the collection of all possible results or outcomes that can occur when a particular event is performed.

In the given question,

The sample space is the set of all possible outcomes of an experiment. In this case, the experiment is rolling a fair 12-sided die. The sample space would include all possible values that the die can land on when rolled.

Since a 12-sided die has 12 equally likely outcomes, the sample space would consist of the numbers 1 through 12. However, only one of the options presented in the question includes all 12 numbers in the sample space, which is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.

Option S = {1, 2, 3, 4, 5, 6} represents the sample space of a regular 6-sided die, while options S = {1} and S = {12} only include one possible outcome, which is not applicable for a 12-sided die.

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P(5, 3) is reflected across the line y = -x. What are the coordinates of P'?

Answers

Answer:

Do you want to know the quardinants if so its in the 1st.

Step-by-step explanation:

How come the tutors don't work??

Answers

Answer:

What do you mean? If you are talking about the Community not always answering Questions well that means your they don't know the right Answer

the Mods are Annoying and very skeptic of the Guidelines of Brainly.

the sum of two numbers is 90. their difference is 28. what are the numbers?

Answers

Hey there! ☺

$Answer:\boxed{59\text{ and }31}$

$Explanation:$

The first number can be written as x. The two numbers have a difference of 28, so the other number can be written as x-28. The total sum of the two numbers is 90. This can be written as an equation:

$x+x-28=90$

Add 28 to both sides to leave the variable by itself:

$x+x-28+28=90+28\\x+x=118$

Add the two x's:

$x+x=118\\2x=118$

Divide both sides by 2:

$\frac{2x}{2} =\frac{118}{2} \\x=59$

The first number is 59. The other number can be found by subtracting 28 from 59, since the difference between the two numbers is 28.

$59-28=31$

To make sure the answer is correct, you can try adding the two numbers to check if they equal 90.

$59+31=90\ \checkmark$

The answer is 59 and 31.

Hope this helps! ☺

$\text{-TestedHyperr}$

PLEASE ANSWER THIS
FOR POINTS

Answers

It's a kite or a rhombus.

pleaseee help, it’s two part as well

Answers

Step-by-step explanation:

please mark me as brainlest

Anthony works as a salesperson at an electronics store and sells phones and phone accessories. Anthony earns a $8 commission for every phone he sells and a $4 commission for every accessory he sells. On a given day, Anthony made a total of $80 in commission and sold 5 more accessories than phones. Graphically solve a system of equations in order to determine the number of phones sold, x,x, and the number of accessories sold, yy.

Answers

Answer:

There were 5 phones sold and 10 accessories sold.

Step-by-step explanation:

Cynthia Besch wants to buy a rug for a room that is 20 ft wide and 26 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 432 square feet of carpeting. What dimensions should the rug have?

Answers

Answer:

18 ft. wide by 24 ft. long

Step-by-step explanation:

this would leave a uniform strip of 2 ft around the rug and stay in her price range for 432 square feet of carpeting.

and 18 times 24 = 432 square feet

Pls hurry and help Solve.
Find the perimeter of a park that measures 7 miles by 9/10 miles.

A. 15 4/5 miles^2
B. 6 3/10 miles^2
C. 6 3/10 miles
D. 15 4/5 miles

Answers

Answer:

Find the perimeter of a park that measures 7 miles by 910 miles. Get the answers you need, now! ... Advertisement tasha005111 is waiting for your help. Add your answer and earn points. kaylapoo34 kaylapoo34 Answer: the answer is 130. Step-by-step explanation: ... 15 Niles and Bob sailed at the same time for the same length of time.

Step-by-step explanation:

Answer:B

Step-by-step explanation:

4.
Andrew wants to buy a pair of jeans costing $60. Sales tax on his
purchase is 13%.
a)
How much tax will Andrew be charged?

Answers

Answer:

$7.80

Step-by-step explanation:

Find how much tax he will be charged by multiplying 60 by 0.13:

60(0.13)

= 7.8

So, he will be charged $7.80 in tax

Answer:

$7.80

Step-by-step explanation:

13% of 60 = 7.8

so in total 7.80 would be Andrew's TAX

[ Correct me if I'm wrong!! ]

Make a frequency table using five classes.
class 31-38 39-46 47-54 55-62 63-70
f
11
24
15
7
3

Then estimate the mean and sample standard deviation using the frequency table. (Round s to two decimal places.)

Answers

Answer: C

Step-by-step explanation:

What is the sin B?
/21
B
5
2
sin (B) =
[?]

Answers

Answer:

Step-by-step explanation:

sin (B) = $\frac{2}{5}$

A sandwich shop has 40 stores and 90% of the stores are in California. The rest of the stores are in Nevada.
How many stores are in California and how many are in Nevada?

Answers

Answer:

36 stores are in california

Step-by-step explanation:

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