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Lera25 [3.4K]
3 years ago
14

Ayuda con mi tarea de matemáticas , dice asi : En una biblioteca hay 5 estantes , 2/5 de uno de ellos está ocupado por libros de

historia , 7/2 por libros de matemática y 11/10 por libros de inglés. Hay espacio en la biblioteca para colocar mas libros?
Mathematics
1 answer:
laiz [17]3 years ago
4 0

There are 5 shelves in the bookcase.

2/5 of one shelve is occupied.

That would be:

2/5*1/5=2/25 of all shelves

7/2 is more than 1, so it refers to the bookcase instead of one shelve. The same with 11/10.

So the total is:

2/5+7/2+11/10 = 5

So all shelves are completely full.

So there is no room for any other book.

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Can you please help me with my math thank you
gayaneshka [121]
2•8.2•5.1=83.64 square feet.
ANSWER: 83.64 Square Feet
7 0
2 years ago
If y=20 when x=8, whats the value of x when y=-2
lisabon 2012 [21]

Answer:

x=-4/5

Step-by-step explanation:

8/20=x/-2

simplify 8/20 into 2/5

2/5=x/-2

cross product

5*x=-2*2

5x=-4

x=-4/5

8 0
3 years ago
Evaluate for x=2 and y=3: x^2y^-3/x^-1y
Artemon [7]

Answer:

8/81

Step-by-step explanation:

It's most efficient to simplify the quotient algebraically before inserting the values of the variables x and y.  

The given expression reduces to x³ / y^4.

Substituting 2 for x and 3 for y, we get:

 (2)³           8

--------- = ---------- (Agrees with first given possible answer)

 (3)^4         81

4 0
3 years ago
Please answer the question
maw [93]
The answer would be 208 if you find the area of each quadrilateral and add them together.
6 0
3 years ago
Read 2 more answers
I dont understand the circled question ....please help!
irina1246 [14]

Parallel lines NEVER intersect/meet, this is because they have the same slope and they go in the same direction.

These lines are parallel because they have the same slopes of 3/4 (because they go 3 units up and 4 units to the right. slope = rise/run)

7 0
3 years ago
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