Mathematics Middle School

The tree diagram shows the sample space of​ two-digit numbers that can be created using the digits 9​,2 1​​, and 8. What is the probability of choosing a number from the sample space that contains both 2 and 8​?

Answers

Answer 1

Answer:

Given :  the sample space of​ two-digit numbers that can be created using the digits 9,7,1, and 8.

To Find : probability of choosing a number from the sample space that contains both 7 and 8.

Solution:

TREE DIAGRAM

       9                    7                      1                    8

       ↓                     ↓                      ↓                  ↓

-------------------      ----------------    -----------------    ---------------

↓      ↓     ↓    ↓    ↓       ↓  ↓  ↓   ↓    ↓     ↓   ↓    ↓  ↓   ↓   ↓

9     7     1     8     9    7    1     8    9   7   1    8     9   7   1    8

Total Sample space  =  16

Contains both 7 and 8

is ( 7 , 8)  or ( 8 , 7)

Hence probability of choosing a number from the sample space that contains both 7 and 8.  =  2/16

= 1/8

= 12.5 %

Step-by-step explanation: I spent lots of time typing out and working out the answer to your question so please mark Brainliest because no matter what you are always the Brainliest of them all! Have a wonderful day!

Related Questions

Please see image below

Answers

27 is your answer, hope that helps
I think 27 is your answer

Mr. Jones is planning to build a fence.

The post will be installed/buried 3/4 feet below ground level

How tall will the fence be?

Select 3 correct answers





4.25

B
17/4

C
4144\frac{1}{4}4
4
1
​


D
5.75

E
234\frac{23}{4}
4
23
​
A.4.25
B.17/4
C.4 1/4
D.5.75
E.23/4
F.5 3/4


​

Answers

Answer: It will be 1/4 feet above the ground.

Please awnser questions, no links, no I dont know

Answers

Answer:

36 inches

Step-by-step explanation:

Two 18 inch tall boxes has a height of 36 inches and three 12 inch boxes also has a height of 36 inches.

Help me with this asap please!

Answers

Answer:

D 154

Step-by-step explanation:

6x7=42 (1 wall) 42x2=84 (2 walls)

5=7=35 (1 wall) 35x2= 70 (2 walls)

70+84= 154 (all walls)

The answer is D. It’s base x width x height

hhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeellllllllllllllllllllllllllllpppppppppppppppppppppp

Answers

The answer is c hope this helps and

a tennis ball served from a racket which is 5 feet above the ground. the tennis ball reaches a maximum height and then descends a few feet and becomes stuck in the net, sketch a graph that could represent the relationship between the height of the ball and time

Answers

175. Hope it’s help_________

what are the measures for each angle for the first triangle (possible answers are in the one of the ss)

Answers

Answer:

m<G=75

m<J=45

m<H=60

m<L=60

The histogram shows the number of cars in a hospital parking garage at 10 a.m. each day for three weeks.

Which statement is true based on the data in the histogram?


A: The median number of cars is contained in the 140-149 bar.
B: There were between 150-159 cars on 7 days.
C: The range in the number of cars is 3 cars.
D: On 5 days, there were between 130-139 cars.

Answers

Answer 140-149 goodluck and keep your head up!

Evaluate the expression 3t - 8

Answers

Answer:

There are no like terms.

Step-by-step explanation:

3*t - 8
The value must be stated in order to evaluate

A storage box has a volume of 56 cubic inches, and the base of the box is 4 inches by 4 inches.

What is the height of the box?

Answers

The height of the box is 3.5in or 3 1/2in
Ok, so first we need the equation. So we know that v=b*w*h. We know that the base is 4 inches and the width is 4 inches as well. So we get the equation v=4*4*h. The volume is also given so the equation changes to 56=4*4*h. So first we multiply the numbers we have to get 56=16*h. Then we divide 16 on both sides. 56/16 is 3.5. We end up with 3.5=h. So the answer is 3.5 inches. You can also put this back in to make sure it is right. To 56=4*4*3.5 is true. So therefore, the answer is 3.5 inches.

plz I need help with this assignment for 10pts

Answers

Answer:

7 per trip

Step-by-step explanation:

1 trip=7 km

Jenny sent 640 texts in 8 days. At this rate, how many texts did she send in 3 days?

Answers

Answer:

240 texts

Step-by-step explanation:

[tex]\frac{640}{8} =\frac{x}{3} \\\\8x=1920\\x=240[/tex]

Answer:

240 texts

Step-by-step explanation:

First we need to find out how many texts in 1 day

640 divided by 8 is 80

80 times 3 is 240

Please mark brainliest :D

Write the equation of the line in slope-intercept form using y=mx+b​

Answers

Answer: y = -7x - 1

Step-by-step explanation:

y=-7-1 would be the equation

-3/8 + 1/6 i need the answer

Answers

No it’s 5/24 he’s or she is wrong

Please answer the question pls & ty

Answers

Answer:

37

Step-by-step explanation:

20 + 13 = 33

so 70 - 33 = 37 so the answer is 37

Answer+explanation

so subtract the diffference of 20 and 13 from 70

so first we find the difference and then subtract that from 70

use parenthases so

difference of 20 and 13 is equal to (20-13)

subtract that from 70

70-(20-13)

so you would do the pemdas and get 7 for the inside parethasees then do

70-7=63

60% of the students in class are girls. If there are 15 girls, how many students are in class?

59

Answers

25

If 15 is 60% of a number, it is 3/5 of the whole. Since 5 goes into 25 5 times, and 5 goes into 15 3 times, 15 is the 3/5 of 25.

The system x−6y=4, 3x−18y=4 has no solution.


Change one constant or coefficient to make a new system with one solution.


Change one constant or coefficient to make a new system with an infinite number of solutions.

Answers

Ok fist you wanna change your question into a equation so it would turn into x-6 y=4 and 4.3x - 18 y = 4 then multiple both sides and that pups give you 43x - 180 y = 40 and eliminate one variable and I don’t wanna keep explaining but the the answer is



ANSWER: (x , y ) = (- 80 over 13, and - 22 over 13

wuts the width (no links)

Answers

Answer:

84.7ft

Step-by-step explanation:

84 + 2/3

If m∠D + m∠E = 180°, then ∠D and ∠E are classified as what kind of angles?

A. Obtuse
B. Vertical
C. Complementary
D. Supplementary

Answers

The other person is literally wrong. The answer is D. Supplementary because two angles that add up to 180 are supplementary angles.

Which of the following statements best describes the data?

Answers

Im not for sure but i think its the 1/3 if students joined music

1. 7(x+2)= 2x+39 2. -3(x+10)= -x-14+2x 3. 8(x+2) =x+9 4. 3(x+2)= 2x-54-x
i need the steps

Answers

First one is 7 times x = 7x +14= 2x +39

7x -2x 5x 39-14 25

5x=25
X = 5

Answer:

7*x = 7x +14= 2x +39

7x -2x 5x 39-14 25

5x=25

X = 5

Step-by-step explanation:

The table shows the relationship between d, the amount of money Alice has at the beginning of each day, and w, the amount of money she has after riding the bus to work.
Which equation represents the relationship in the table?
A. w = 15.75d - 1.25
B. w = 14.50d + 1.25
C. w = d + 1.25
D. w = d - 1.25

Answers

The answer is D because the original value she starts with is subtracted by the amount she pays for a bus ride

PLEASE HELP ME I DON'T KNOW I GIVE BRAINLIEST

Answers

Answer:

1 million

Step-by-step explanation:

Answer:

Step-by-step explanation:

Its due at midnight please help Me Will mark brainlest

Answers

Answer:

(0,8)

Step-by-step explanation:

the Y intercrpt is where the line crosses there a point on the Y ntercpet linr

(0,8). PRETTY SURE GOODLU K BYE

Please help!!!!! giving brainlist

Answers

Answer:

A. 25 ounces B. 6.5 ounces C. 10 ounces

Step-by-step explanation:

A.

[tex]\frac{3}{5}x = 15\\\implies x = \frac{5}{3}\times{15}\\\implies x = 25[/tex]

B.

[tex]y = 15 - 8.5\\= 6.5[/tex]

C.

[tex]\frac{8}{5}z = 16\\\implies z = \frac{5}{8}\times16\\\implies z = 10[/tex]

Answer:

1. 25  2. 6.5  3. 10

Step-by-step explanation:

I want brainlyest

The graph shows the amount of money earned by an employee based on the time he spent working. Which list shows the dependent quantities in the graph?
A. 10, 20, 30, 40, 50
B. 101, 202, 303, 404, 505
C. 1, 2, 3, 4, 5
D. 11, 22, 33, 44, 55

Answers

The answer is A because the dependent quality is on the y-axis
The answer to your question is a

EXPERT HELP I'LL GIVE BRAINLIEST: EXPLAIN THE ANSWER PLEASE

Answers

Answer:

d

Step-by-step explanation:

4x4=16

15x4x0.5=30

10x10=100

110+16=146

Find mABC

A-54
B-135
C-15
D-126

Answers

It’s B



Glad I could help

Select the fraction that is equivalent to five and two tenths.

Question 2 options:

fifty two hundredths

two and five tenths

five and two hundredths

five and two tenths

Answers

Answer:

five and two tenths

Step-by-step explanation:

lol the question asks what is equivalent to five and two tenths and there is a five and two tenths in the answer so that is the obvious choice.

Answer:

Five and two tenth if the only correct answer as I see.

Step-by-step explanation:

5 1/5

Plsssss help me......

Answers

Answer:

id.........................................................................................................k

Step-by-step explanation:

Answer:

Number 4 is C

Number 5 is

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