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kobusy [5.1K]
3 years ago
6

Roberto debe leer un libro que contiene 340 páginas en 4 días por lo cual planea la siguiente distribución: el primer día 1/5 de

las páginas del libro, el segundo 1/4 de lo que queda por leer y el tercero 1/6 del resto. ¿Cuántas páginas le quedan por leer a Roberto en el cuarto día?
Mathematics
1 answer:
Finger [1]3 years ago
7 0

Answer:

170 pages

Step-by-step explanation:

Roberto must read a book that contains 340 pages in 4 days for which he plans the following distribution

The number of pages he read for the first day :

The first day 1/5 of the pages of the book

This is calculated as:

1/5 × 340 pages

= 68 pages

For the second day:

The second 1/4 of what remains to be read

The number of pages remaining after the first day is calculated as:

340 - 68 = 272 pages

Hence, the number of pages read on the second day is

1/4 × 272 pages

= 68 pages

For the third day

One the third day, 1/6 of the rest was read.

The number of pages remaining after the first day is calculated as:

272 - 68 = 204 pages

Hence, the number of pages read on the third day is

1/6 × 204 pages

= 34 pages

Therefore, the number of pages Roberto has to read on the fourth day is calculated as:

340 pages - (68 + 68 + 34)pages

340 pages - 170 pages

= 170 pages

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C. The product of 12 and √17

Step-by-step explanation:

Because it gives a number that isn't a repeating or terminating decimal.

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3 years ago
You can buy 5 apples for $6.25 or 8 apples for $10.24. Which is the better deal? Explain.
balu736 [363]

Answer:

8 apples for $10.24 as your getting more apples for almost the same price.

Step-by-step explanation:

$6.25 divided by 5 is $1.25 so that would be $1.25 per apple

$10.24 divided by 8 is $1.28 so that would be $1.28 per apple

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3 years ago
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Draw three lines that are parallel to the x-axis. Read the ordered pairs for points on each line. What generalization can you ma
irina [24]

Answer:

If the line is parallel to the x-axis than only x value changes and y value remains constant.

Step-by-step explanation:

Consider the provided information.

We need to draw three lines that are parallel to the x-axis.

The required graph is shown below:

Now the ordered pairs for points on each line is:

For line y=-3 The ordered pairs are (-1,-3), (0,-3) and (1,-3)

For line y=2 The ordered pairs are (-2,2), (2,2) and (3,2)

For line y=4 The ordered pairs are (-3,4), (0,4) and (4,4)

Here we can observe the x value changes but y values remains constant.

Therefore, if the line is parallel to the x-axis than only x value changes and y value remains constant.

7 0
3 years ago
Kylie went into a grocery store and bought 3 apples and 4 bananas, costing a total of $6.50. Lily went into the same grocery sto
Katyanochek1 [597]

The system of equations that could be used to determine the price of each apple and the price of each banana is:

3x + 4y = 6.50

10x + 5y = 17.50

Where x is the price of each apple and y is the price of each banana

Step-by-step explanation:

The given is:

  • Kylie went into a grocery store and bought 3 apples and 4 bananas, costing a total of $6.50
  • Lily went into the same grocery store and bought 10 apples and 5 bananas, costing a total of $17.50

We need to write a system of equations that could be used to determine the price of each apple and the price of each banana

Assume that x represents the price per apple, and y represents the price per banana

∵ The price of each apple is $x

∵ The price of each banana is $y

∵ Kylie bought 3 apples and 4 bananas for a total $6.50

- Multiply x by 3 and y by 4, then add the products and equate

  the sum by 6.50

∴ 3x + 4y = 6.50 ⇒ (1)

∵ Lily bought 10 apples and 5 bananas for a total $17.50

- Multiply x by 10 and y by 5, then add the products and equate

  the sum by 17.50

∴ 10x + 5y = 17.50 ⇒ (2)

The system of equations that could be used to determine the price of each apple and the price of each banana is:

3x + 4y = 6.50

10x + 5y = 17.50

Where x is the price of each apple and y is the price of each banana

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

3 0
4 years ago
5 1/2 ÷3/4 write it in fraction form ​
bija089 [108]

The Answer:  

Simplified 7 1/3

Improper 22/3

4 0
3 years ago
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