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
4vir4ik [10]
3 years ago
6

bag contains 15 marbles numbered from 1 to 15. Two marbles are selected from the bag at the same time. Let event E = the two num

bers do NOT differ by 10 How many outcomes are in the complement of E? A) 5 B) 10 C) 25 D) 200
Mathematics
2 answers:
lbvjy [14]3 years ago
7 0
The numbers DO differ by 10 if they are

- 1 and 11
- 2 and 12
- 3 and 13
- 4 and 14
- 5 and 15

Each outcome technically has two ways of occurring, but since we're taking two marbles at a time, that would be the same as saying, for instance, that drawing 1 and 11 is the same as drawing 11 and 1. We only count such an event once.

So the answer is (a) 5.
Kisachek [45]3 years ago
6 0

Answer:

5!

Step-by-step explanation:

The complement of E is when the numbers differ by 10,

(1, 11), (2, 12), (3, 13), (4, 14), (5, 15)

Thus, there are 5 outcomes where the numbers differ by 10.

You might be interested in
In the figure, BD is a median. If AD=6x+10 and CD=2x+12, find the length of AC. Show your work.
Valentin [98]

Answer:

26.

Step-by-step explanation:

Given, BD is a median. As it divides the AC equally, that's why it will AD=CD. Given, AD= 6x+10 and CD= 2x+12

Now, AD=  CD

or, 6x+10=2x+12

or, 6x-2x= 12-10

or, 4x= 2

or, x= 1/2

So the value of x is 1/2. As BD divided AC equally, both AD and CD will be equal and AD+CD= AC.

So, 6x+10+2x+12= AC

or, 8x+22= AC

or, 8 X (1/2) + 22= AC

or, 4+22 = AC

or, AC= 26.

 

6 0
3 years ago
I need the answer as soon a possible
elena-s [515]

Answer:

x = 0 \\ 7y = 28 \\ y = 28 \div 7 = 4 \\  \\  \\ y = 0 \\  - 4x = 28 \\ x = 28 \div ( - 4) =  - 7

8 0
3 years ago
What's the percentage of change from 20 is decreased to 11​
Reil [10]

Answer:

The percentage is 45 percent.

Step-by-step explanation:

3 0
3 years ago
Look at the box-and-whisker plot.
Marizza181 [45]

i would say B

when it says "the measure", it's refering to where the second quartile is beginning

3 0
3 years ago
Identify a reflection about the x-axis or a reflection about the y-axis of f(x) = √-x by observing the equation of the function
olga55 [171]

Answer:

B) The base graph has been reflected about the y-axis

Step-by-step explanation:

We are given the function, f(x)=\sqrt{-x}.

Now, as we know,

The new function after transformation is g(x)=f(-x)=\sqrt{x}.

<em>As, the function f(x) is changing to g(x) = f(-x)</em> and from the graph below, we see that,

The base function is reflected across y-axis.

Hence, option B is correct.

4 0
3 years ago
Other questions:
  • How do you tell if a function is linear?
    13·1 answer
  • I don’t understand can u please get help
    15·1 answer
  • Solve equation using the algebraic 7.4p-9.2= -2.6+5.3
    10·2 answers
  • Find the additive inverse of -7+5i
    6·1 answer
  • What is the area of a triangle whose vertices are (3,3), (3,-1) and (-2,-5)
    5·1 answer
  • I’m failing my math class and I need help with math because I don’t understand some stuff.
    12·2 answers
  • 1a) Qualifying Test Scores To qualify for a medical study, an applicant must have a systolic blood pressure in the 60% of the mi
    10·1 answer
  • Given STU and DEF , what is m∠E
    9·1 answer
  • Help 100 Points + brainlest math
    9·2 answers
  • Jim is on his way home in his car. He has driven 20 miles so far which is 1/2 of the way home. What is the total length of his D
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!