Mathematics Middle School

On a math test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probability that all three got an A on the test?

Answers

Answer 1

Answer:

5

Step-by-step explanation:

Related Questions

I need an explanation on how to do this and an answer, please.

I need an explanation on how to do this and an answer, please.

Answers

Answer:

111°

Step-by-step explanation:

the angle is question is an alternate-interior angle with the one labeled as 111° and alt-int angles are congruent

When looking at both images you can see they are the same angle, so when it gives you 111degree you can take that and flip it, to see th top angle, or x is also 111

Plz help me with my math work

Plz help me with my math work

Answers

Answer:

-1/2-5/655/3-1/4-23/4-5/34-3/5
Yo I know u already got answer but u should use this website tiger algebra it works 100% I always get them right

the table below shows claude's assets and liabilities. what is the total value of his assets
PLSSS NOO LINKS, ITS A WASTE OF TIME

the table below shows claude's assets and liabilities. what is the total value of his assetsPLSSS NOO

Answers

Answer:

24,950

Step-by-step explanation

i found this by adding together all of the things he owned

his car, his cash, his savings, and his artwork since these are things that belong to him

10,800+750+11,900+1,500=24,950

hope this helped and is correct have a great day, also can i get brainliest ty :3

The total value of his assets is $24, 950.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

We have Claude's assets and liabilities.

Now, to find the total value of assets we have to add all the things he owned

= car + cash + savings + artwork

= 10,800 + 750 + 11,900 + 1, 500

= 24, 950

Learn more about Unitary Method here:

https://brainly.com/question/22056199

#SPJ2

What’s j+12=25 tape diagram

Answers

well you would take 25 and take 12 away. like this: 25-12=? so 25-12 would be 13. therefore j=13!
What is an Equation?

An equation is a mathematical statement that shows two mathematical expressions equal.

An equation consists a variable that does not have a fixed value to it.


Given,

j+12=25

Here ‘j’ is the variable.

To find ‘j’ we just need to 12 from 25.

So, 25 - 12 = 13

Hence, now we know that ‘j’ is equal to 13.


Proof :

13 + 12 = 25



Learn more about Equations here

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Hope my answer helps you✌️

Mark BRAINLIEST

-3 + 6x. Which expression shows the correct factorization?
Here are the ones to pick from
1. -2 + -2 +6 +x
2. 6(-2 +x)
3. 6(-2 +x)
4. -3 (1 - 2x)

Answers

Answer:

Option #4

Step-by-step explanation:

Expand option #4

=-3(1-2x)

=-3 -2x*-3

=-3+6x which is what your original equation was.

becoz it is a multiple choice, we can go by elimination, hence when we expand #4, we will get -3+6x

who is correct chris or sam

who is correct chris or sam

Answers

lacey, because you have to do the opposite when you want to get rid of a number. She subtracted 20 because it was originally positive 20. Chris messed up and did not do the opposite, subtraction, and instead he added 20
the answer is Lacey :)

Do this problem
- 2 1/4 - (- 3/4)

Answers

-2 1/4 + 3/4

- 9/4 + 3/4

3/4 - 9/4

- 6/4

- 3/2

Please help me with this ITS TIMED

Please help me with this ITS TIMED

Answers

Answer:

39?

Step-by-step explanation:

180-102=78

78/2=39

To determine to measure the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

Hope this helps you understand angles in a triangle

The radius of a circle is 3 meters. What is the circle's circumference?

Answers

The circles circumference is C = 18.85m

Answer:

18.84

Step-by-step explanation:

R = D/2

D = 6

6 x 3.14 =

18.84

Look at picture, answer CORRECT, and get brainliest

Look at picture, answer CORRECT, and get brainliest

Answers

Answer:

The first one is correct.

Step-by-step explanation:

I know a thing or two about a thing or two about powers of 10.

Answer: I think it's the one to the left at the bottom, I am sorry if I am wrong- because if you did 3 x 1,000 you'd get 3,000 so you'd move the 3 4 spots over putting it in the front like, 3,000 0,300 0,030 0,003 3,000.

Step-by-step explanation:

Please help asap! I was winging it but then I lost it! Please explain so I can get back on track ty!♡♡

Please help asap! I was winging it but then I lost it! Please explain so I can get back on track ty!

Answers

To solve for the value of "a", we'll need to use the Pythagorean Theorem.

Pythagorean Theorem: a^2 + b^2 = c^2

---a and b are the legs of the triangle and c is the hypotenuse

Plug in known values and simplify:

a^2 + (9)^2 = (12)^2

a^2 + 81 = 144

a^2 = 63

a = sqrt(63)

The number that should go beneath the radical symbol is 63.

Hope this helps!

i believe the answer is 63

Timothy went to a baseball game. After the game, he wanted to ride the bus home. The red line and the blue line buses both stop at the stadium.

• A red line and a blue line bus both left the stadium at 4:004:00 p.m.

• Red line buses were scheduled to leave the stadium every 66 minutes.

• Blue line buses were scheduled to leave the stadium every 88 minutes.

​​If the buses run on schedule, when is the next time a red line and a ​blue line bus will leave together?

Answers

Answer:4:24

Step-by-step explanation:

The answer to your question is 4:24

These two right cylinders have the same height, 25 centimeters. The radius of the smaller cylinder is 5 centimeters and the radius of the larger cylinder is 3 times greater than that of the smaller cylinder. What is the ratio of the volume of the larger cylinder to the volume of the smaller cylinder?
(20POINTS)

These two right cylinders have the same height, 25 centimeters. The radius of the smaller cylinder is
These two right cylinders have the same height, 25 centimeters. The radius of the smaller cylinder is

Answers

first cylender

Step-by-step explanation:

I'LL GIVE BRAINLIEST:

I'LL GIVE BRAINLIEST:

Answers

Answer:

B

Step-by-step explanation:

Multiply the pairs of numbers and match them with their products. Tiles (-5)(4.2) (-7)(-3) (4) (5) (2.5)(-9) Pairs 22.5 21 -22.5 -21 111

Answers

Here are the pairs matched with their products:

- (-5)(4.2) matches with -21

- (-7)(-3) matches with 21

- (2.5)(-9) matches with -22.5

Pairs (4) and (5) do not have corresponding products in the given options.

The products of the given pairs of numbers are:

(-5)(4.2) = -21

(-7)(-3) = 21

(4)(5) = 20

(2.5)(-9) = -22.5

So, the pairs of numbers and their products are as follows:

(-5)(4.2) = -21 matches with -21.

(-7)(-3) = 21 matches with 21.

(4)(5) = 20 matches with 20.

(2.5)(-9) = -22.5 matches with -22.5.

I hope this helps!

I N E E D HELPPPPPPPPP its math 30 points pls help!

I N E E D HELPPPPPPPPP its math 30 points pls help!
I N E E D HELPPPPPPPPP its math 30 points pls help!
I N E E D HELPPPPPPPPP its math 30 points pls help!

Answers

Answer: in order of question boxes presented

3 = weekly rainfall in seattle = 1200 cm

1 = weekly rainfall in portland and how much = week 3 and 800

2 = flavor ice cream girls prefer over boys = chocolate, strawberry and cookies and cream

edited to correct #1

i apologize its hard to see the graphs on iphone

Step-by-step explanation:

identified answer from graphs given

Question 3: Week #3 rain is 1200
Question 1: Week 3, and it’s 800
Question 2: Strawberry, Chocolate, Cookies and Cream.

Gilbert earns $7.50 per hour washing cars.

70 - Graph the relationship between the
67.5 - number of hour Gibert works and the
60 - total amount of money he earns.
45 - Horizonally: Time worked
37.5- Vertically: Money earne $
30 -
22.5-
15-
7.5- >
0 1 2 3 4 5 6 7 8 9 10

Answers

What’s uppp How u doinnn I don’t know the answers I just need points because rn I have a map test byee

Answer:

You can put the dollars on the y axis and the hours on the x axis. Whenever the hours increase by 1, move over 1 on the x axis and 7.50 up on the y axis.

The first point should be (1, $7.50).

                                        ↑      ↑

                                    hours, money earned

The second point then will be (2, $15.00), the third will be (3, $22.50), and so on.

Step-by-step explanation:

Simplify the fraction below.

35/4

Simplify the fraction below.35/4

Answers

Answer:

8 3/4

Step-by-step explanation:

find the greatest common factor of 35 and 4, which is 1.  Then divide both 35 and 4 by the greatest common factor to get the following simplified fraction: 35/4

If the numerator is greater than or equal to the denominator of a fraction, then it is called an improper fraction. You could convert it into a whole number or mixed number fraction. Which would now be 8 3/4

(If its not right let me know so I can rethink my answer)

8.75 as a decimal
8 3/4 as a fraction

The hot air balloon descends 40 inches each 1/2 hour.

What number represents the balloon's flight after 3 hours?

Answers

-240 inches because 1/2 hour-40. 80 in one hour.
1 hour = -80
3 hours = -240
The balloon will descend 240 inches in 3 hours

Points O, A, B lie on the same line. OA = 12 cm, OB = 9 cm. Find the distance between the midpoints of segments OA and OB if point O lies on the segment AB?

Answers

Answer: 1.5cm

Step-by-step explanation:

12-9=3 because it is midpoint 3/2=1.5

A car is moving at 45mph. Once the care starts to break, its speed(s) is related to the number of seconds(t) it spends breaking according to the formula below.
S = -10t +45

Determine how many second it takes for the car to stop.

Answers

Step-by-step explanation:

When the car stops, the speed is zero.

When S = 0, -10t + 45 = 0, t = 4.5.

Hence it will take 4.5 seconds for the car to stop.

Answer:

35=-10t +45, i think sorry if im wrong

Step-by-step explanation:

After how many minutes of long distance calling do the phone companies charge an equal amount?

After how many minutes of long distance calling do the phone companies charge an equal amount?

Answers

200 mins is the answer

Which function has a greater slope? Function 1 Function 2 or both

Which function has a greater slope? Function 1 Function 2 or both

Answers

Function 1, because the slope is 2 while Function 2 has a slope of 1.
Function 1 is your answer

You pick a card at random. 6 7 8 9 What is P(divisor of 70)? Write your answer as a percentage. %

Answers

Answer:

Step-by-step explanation:

6.789x10 3 esta es la solución

Evaluate the expression

7x, if x = 11.

Answers

Answer:

77

Step-by-step explanation:

Answer:

77

Step-by-step explanation:

7 x 11

you replace x with 11 due to substitution rule

HELP ME PLEASE FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DUE IN 4 MIN!!!!!!!!!!!!!!!!!!!!!!!!!!

HELP ME PLEASE FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DUE IN 4 MIN!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: 66

Step-by-step explanation: Basically you want to find the area of the whole shape and the white shape, which the whole shape is 96 and the white shape is 30, and subtract 96-30=66

We’re looking for the area of the shaded region (blue rectangle)

First we’ll start by finding the area of the whole shape: 10+2 =12 and 5+3 = 8.

Now that we have that we will multiply 12x8, getting 96.

Now we want to find the area of the white rectangle.
So, 3 x 10 = 30.

Now that we have our two areas, we’ll need to subtract 96-30 = 66. Getting the area of the shaded region.

I hope this helps!

Please help! I cannot figure this out.

Please help! I cannot figure this out.

Answers

X=60°

[ACCORDING TO THE PICTURE]

Please help! I cannot figure this out.
It’s 120 because one of the right angles is 150, and then you mirror it to the other side so 150 - 30 = 120
X=120

Sarah is walking hope from school. She decides to buy a candy bar and a soda from the convenience store. The soda costs 2.39 and the candy bar costs 1.69. What was the total cost of her snacks?

(I made this question up for fun so u dont have to answere it)

Answers

Answer:

$4.08

Step-by-step explanation:

Answer:

I think... $4.08 maybe... I may be wrong lol actually that's it..

Sarah is walking hope from school. She decides to buy a candy bar and a soda from the convenience store.

What does X represent

What does X represent

Answers

the change in numbers
Change in numbers would be correct

what is 6 divided by 31, 3 divided by 18. 4 divided by 75. 9 divided by 37 and 8 divided by 69. i need whole explainations for all of them!

Answers

0.19
0.16
0.005
0.24
0.11
0.19
0.16
0.005
0.24
0.11
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