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
Olenka [21]
3 years ago
11

On Dan's eReader, 2/3 of the books are fiction. Of the fiction books,4/5 are mysteries. What fraction of the books on Dan's eRea

der are mysteries? What fraction the books are not mysteries? Explain
Mathematics
1 answer:
Nitella [24]3 years ago
8 0

Answer:

Step-by-step explanation:

Let's take a real situation. Suppose he has 1500 books in total

2/3 of them are fiction. Of means multiply.

them = 1500

2/3 * 1500 = 3000/3 = 1000

Now of the one thousand fiction books 4/5 of them are mysteries.

4/5 * 1000 = 4000/5 = 800.

Now let's see what happens when we just do this by answering the question directly.

2/3 * 4/5 = 8/15 This has the meaning that 8 out of every 15 books = mysteries.

Try this on the 1500 books.

8/15 * 1500 = 9000/15 = 800. So the answers are the same and the answer the computer expects should be 8/15 or 0.533333333

Just to check, does 0.5333333 * 1500 = 800? Try it.

You might be interested in
How many times greater is the value of the 3 in 230,716 than the value of the 3 in 23,716?
Mashcka [7]

Answer:

27,000

Step-by-step explanation:

PLS GIVE ME BRAINLIEST

5 0
3 years ago
Read 2 more answers
What is the relationship between 5.34x10^5 and 5.34x10^-2 MAKE SURE YOUR ANSWER IS CORRECT
blsea [12.9K]
So since the constant is the same we could divide them. If you know when you divide powers of 10 you subtract so it would be 5.34/5.34 which is 1 and 10^5- 10^-2. 5 - (-2). Which is 10^7 so it would be 1*10^7
6 0
4 years ago
Solve the quadratic equation by completing the square. What are the missing pieces to the steps? –27 = 4x2 – 24x –27 = 4(x2 – 6x
IrinaVladis [17]
We have that
4x²<span> – 24x+27=0
</span>

Group terms that contain the same variable, and move the constant to the opposite side of the equation

(4x² – 24x)=-27

Factor the leading coefficient 

4*(x² – 6x)=-27

<span>Complete the square. Remember to balance the equation by adding the same constants to each side

</span>4*(x² – 6x+9)=-27+36--------> missing pieces

Rewrite as perfect squares

4*(x-3)²=9

(x-3)²=9/4----> square root both sides----> (+/-)(x-3)=3/2----> missing pieces

+(x-3)=3/2------> x=(3/2)+3-----> x=9/2

-(x-3)=3/2-----> x=3-(3/2)-----> x=3/2

5 0
3 years ago
Read 2 more answers
Which statements accurately describe the function f(x) = 3 (squareroot 18) ^x ? Select three options. A. The domain is all real
anastassius [24]

Answer:

The domain is all real number

5 0
3 years ago
A consol paying $20 annually when the interest rate is 5 percent has a price of
allsm [11]
Answer:  $ 400 .
_________________________
Explanation:
_____________________________________
Note that a "consol" is a "perpetuity".
______________________________________________
To find the "PV" (Present Value) of a perpetuity, we use the equation:   PV = C / r  = Current value / interest rate
         
       = $20 / (5%) = $20 / (5/100) = $20 / (0.05) =  $400 .
___________________________________________________
8 0
3 years ago
Other questions:
  • What can you say about the 3's in the number 43,335
    10·1 answer
  • 15600=x (x+1)(x+2) What is x?
    11·2 answers
  • 1 CARD IS SELECTED FROM DECK.WHATS IS THE PROBABILITY OF GETTING DIAMOND IS
    8·2 answers
  • Analyzing Graphs to Determine Input Values
    8·1 answer
  • Brainers, please help me out.
    12·1 answer
  • What is the value of X?
    8·1 answer
  • Please can you guy help for this questiong
    15·1 answer
  • ANSWER THIS ASAP DONT SEND A FILE AT ALL !! I NEED THE ANSWER QUICK HELPP ONLY ANSKER IF YOY REALLY KNOW!!
    11·2 answers
  • Use the GCF to factor this expression.<br><br> 40x + 24y – 56
    14·2 answers
  • What is the value of x?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!