1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
elena-14-01-66 [18.8K]
3 years ago
12

Can someone answer this question quickly? thanks

Mathematics
1 answer:
kirill115 [55]3 years ago
5 0

Step-by-step explanation:

Let the sample space be S

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

\therefore n(S) = 10

Let A be the event of getting 6.

A = {6}

\therefore n(A) = 1\\P(A) = \frac{n(A)}{n(S)} = \frac{1}{10}

Let B be the event of getting a number greater than 3.

B = {4, 5, 6, 7, 8, 9, 10}

\therefore n(B) = 7\\P(B) = \frac{n(B)}{n(S)} = \frac{7}{10}

You might be interested in
Need answer ASAP ASAP please ASAP ASAP thank you:)
Paha777 [63]

Answer:

42°

Step-by-step explanation:

3x + 54° = 180° [Supplementary angles]

=> 3x = 180 - 54

=> 3x = 126

=  > x =  \frac{126}{3}

=> <u>x = 42</u><u>°</u><u> </u><u>(Ans)</u>

5 0
2 years ago
Read 2 more answers
Police Chase: A speeder traveling 40 miles per hour (in a 25 mph zone) passes a stopped police car which immediately takes off a
zubka84 [21]

Answer:

a. 18.34 s b. 327.92 m

Step-by-step explanation:

a. How long before the police car catches the speeder who continued traveling at 40 miles/hour

The acceleration of the car a in 10 s from 0 to 55 mi/h is a = (v - u)/t where u = initial velocity = 0 m/s, v = final velocity = 55 mi/h = 55 × 1609 m/3600 s = 24.58 m/s and t = time = 10 s.

So, a =  (v - u)/t =  (24.58 m/s - 0 m/s)/10 s = 24.58 m/s ÷ 10 s = 2.458 m/s².

The distance moved by the police car in 10 s is gotten from

s = ut + 1/2at² where u = initial velocity of police car = 0 m/s, a = acceleration = 2.458 m/s² and t = time = 10 s.

s = 0 m/s × 10 s + 1/2 × 2.458 m/s² (10)²

s = 0 m + 1/2 × 2.458 m/s² × 100 s²

s = 122.9 m

The distance moved when the police car is driving at 55 mi/h is s' = 24.58 t where t = driving time after attaining 55 mi/h

The total distance moved by the police car is thus S = s + s' = 122.9 + 24.58t

The total distance moved by the speeder is S' = 40t' mi = (40 × 1609 m/3600 s)t' =  17.88t' m where t' = time taken for police to catch up with speeder.

Since both distances are the same,

S' = S

17.88t' = 122.9 + 24.58t

Also, the time  taken for the police car to catch up with the speeder, t' = time taken for car to accelerate to 55 mi/h + rest of time taken for police car to catch up with speed, t

t' = 10 + t

So, substituting t' into the equation, we have

17.88t' = 122.9 + 24.58t

17.88(10 + t) = 122.9 + 24.58t

178.8 + 17.88t = 122.9 + 24.58t

17.88t - 24.58t = 122.9 - 178.8

-6.7t = -55.9

t = -55.9/-6.7

t = 8.34 s

So, t' = 10 + t

t' = 10 + 8.34

t' = 18.34 s

So, it will take 18.34 s before the police car catches the speeder who continued traveling at 40 miles/hour

b. how far before the police car catches the speeder who continued traveling at 40 miles/hour

Since the distance moved by the police car also equals the distance moved by the speeder, how far the police car will move before he catches the speeder is given by S' = 17.88t' = 17.88 × 18.34 s = 327.92 m

4 0
2 years ago
Anyone know this geometry question?
viva [34]
I believe that the answer is B. 62°
5 0
2 years ago
Read 2 more answers
The tree in Pablo‘s backyard is 9.8 m high. how high is it in centimeters?
Verdich [7]
If it’s 9.8 meters then it would be 980 centimeters.
4 0
3 years ago
Read 2 more answers
Lewis needed to find the difference in lengths between the hypotenuse and the longest leg of this triangle. His work is shown be
dimaraw [331]

Answer:

The answer is first and last

Step-by-step explanation:

Edge2020

im not gonna explain cuz some    other guy got it wrong and  im just answering for anyone  who needs it

7 0
2 years ago
Read 2 more answers
Other questions:
  • Solve and show steps. 3 divided by 4.236
    6·1 answer
  • Prove ΔPAB is isosceles.
    9·1 answer
  • What is the answer of cscx/secx
    11·1 answer
  • 4n3 + 5n2 + 6n + 15 factors to (3n2 + 2) (3n + 5) true or false?
    9·2 answers
  • Given the system of equations, what is the solution? <br><br> x + 2y = 11 <br> x - 2y = -1
    14·1 answer
  • Quadrilateral EFGH has coordinates E(2b, 2b), F(3b, b), G(b, o), and H(0, 0). Find the midpoint of HE. Help me!
    5·2 answers
  • The ratio of the numerator to the denominator of a certain fraction is three to five. If two is added to the numerator and
    6·1 answer
  • you are putting grass down in your backyard. the total area is 51 feet squared. the length of your yard is 10.2 feet. how wide i
    14·1 answer
  • Janice is thinking of two numbers. She says that two times the first number plus the second number is 47. In​ addition, the firs
    13·1 answer
  • Pls help me with this question thanks:)
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!