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
Nata [24]
3 years ago
15

A box contains 6 red marbles, 4 green marbles, 3 blue marbles, and 2 yellow marbles. If one marble is chosen at random, what is

the probability that it will be blue?
0.07
O
0.20
O
0.25
0.33
O
Mathematics
1 answer:
OleMash [197]3 years ago
3 0

Answer:

0.20

Step-by-step explanation:

You might be interested in
sally is on a scavenger hunt. a clue tells her to walk 100 steps due south from the starting point and then walk west when she g
Sophie [7]

Answer:

She should take 112 steps west  

Step-by-step explanation:

* Lets explain the relation between the four directions

- North and South on the same line by in opposite directions

- East and West on the same line by in opposite directions

- East and West are perpendicular to the North and South

* Now lets study the situation i the problem

- Sally 100 steps due to South from the starting point

- Then she walk West when she gets the next clue

- The distance between her starting point and ending point is 150 steps

∵ The South is perpendicular to the West

- Lets consider her trip is a right angle triangle ABC, where AB

 her steps South and BC her steps West and AC the distance

 between her starting point and ending point

∵ AB = 100

∵ AC = 150

∵ m∠B = 90°

- By using Pythagoras theorem

∵ BC = √(AC² - AB²)

∴ BC = √(150² - 100²) = 50√5 = 111.8 steps

* She should take 112 steps west  

8 0
3 years ago
Find cos(B) A.) 7/3 B.) 3/7 C.) 3/58 D.) 7/58
Alex Ar [27]
A. 7/3
HOPE IT HELLS U!!!!
7 0
2 years ago
The formula for the circumference
Marina CMI [18]

Answer:

2πr or πd

Step-by-step explanation:

Where

π= pi

r= radius of the circle

d= diameter of the circle

4 0
2 years ago
 If a sphere has a circumference of 138.16 ​in., what is the surface area of the​ sphere?
BigorU [14]
The surface area is 6075.96 in^3
5 0
3 years ago
X-y+z=-4<br><br> 3x+2y-z=5<br><br> -2x+3y-z=15<br><br> How do I solve this?
Lera25 [3.4K]
1)\ \ \ x-y+z=-4\ \ \ \Rightarrow\ \ \ z=-4-x+y\\\\2)\ \ \ 3x+2y-z=5 \\.\ \ \ \  \Rightarrow\ \ 3x+2y-(-4-x+y)=5 \\.\ \ \ \  \Rightarrow\ \ 3x+2y+4+x-y=5 \\.\ \ \ \  \Rightarrow\ \ 4x+y=1\\\\3)\ \ \ -2x+3y-z=15\\.\ \ \ \  \Rightarrow\ \ -2x+3y-(-4-x+y)=15\\.\ \ \ \  \Rightarrow\ \ -2x+3y+4+x-y=15\\.\ \ \ \  \Rightarrow\ \ -x+2y=11\\--------------------\\

z=-4-x+y\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ and\\ \left \{ {{4x+y=1\ \ \ \ } \atop {-x+2y=11\ /\cdot4}} \right. \\\\\left \{ {{4x+y=1\ \ \ \ } \atop {-4x+8y=44}} \right. \\-------\\y+8y=1+44\\9y=45\ /:9\\y=5\\\\-x+2y=11\ \ \ \Rightarrow\ \ \ x=2y-11\ \ \ \Rightarrow\ \ \ x=2\cdot5-11=-1\\\\z=-4-x+y=-4-(-1)+5=-4+1+5=2\\\\Ans.\ x=-1\ \ \ and\ \ \ y=5\ \ \ and\ \ \ z=2
5 0
3 years ago
Other questions:
  • 43.586 to the nearest tenth
    12·2 answers
  • A bathtub can be filled in 8 min. it takes 12 min for the bathtub to drain. if the faucet is turned on but the drain is also lef
    12·1 answer
  • Which polygon has an interior angle sum of 900°
    15·2 answers
  • Please help! Will give 20 points and a brainliest!
    8·1 answer
  • (4x + 7) and (2x − 8)
    9·1 answer
  • What is the solution to 3x²+3x+5=0?
    11·2 answers
  • I need help with #6 please.
    6·1 answer
  • Which pair shows equivalent expressions?
    8·1 answer
  • I took a pic I hope that's fine​
    12·1 answer
  • HELPPPGPTPPFPPZPSKZJZ
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!