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Cerrena [4.2K]
3 years ago
10

How many 4/5's are in 1

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0

Answer: 5/4

Step-by-step explanation:

To get the number of groups of 4/5 are in 1, we divide 1 by 4/5. This will give:

= 1 ÷ 4/5

= 1 × 5/4

= 5/4

<h3>There are 5/4 groups of 4/5 in 1.</h3>
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Time taken for Kristin to catch up with the truck will be found using the formula
time=(distance)/(speed)
distance=20 km
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thus
time=20/90=2/9 hours

Answer: 2/9 hours
5 0
3 years ago
What are three different ways to write 5 to the 11 power
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That is two of the three but I'm not quite sure if there is a third.
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A curious accountant at a large firm would like to know if money can buy happiness. She selects a random sample of 30 of her wea
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6 0
3 years ago
A bag contains 50 blue marbles and 66 red marbles. If 88 more red marbles are added to the bag, how many more blue marbles must
vaieri [72.5K]

Answer:

60

Step-by-step explanation:

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Let the number of blue marbles to be added be x.

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7 0
1 year ago
in the school cafeteria students chose their lunch from 3 sandwiches, 3 soups, 4 salads, and 2 drinks. how many different lunche
Vesna [10]

Answer:

Answer:

3

×

3

×

4

×

2

=

72

Explanation:

Let's look at the 3 sandwiches and 3 soups first and then expand the calculation. There are 9 ways I can have one of the sandwiches and 1 of the soups:

⎛

⎜

⎜

⎜

⎜

⎝

0

Soup 1

Soup 2

Soup 3

Sandwich 1

1

2

3

Sandwich 2

4

5

6

Sandwich 3

7

8

9

⎞

⎟

⎟

⎟

⎟

⎠

And so we can see that we multiply the number of sandwiches and the number of soups to get the total number of ways to get one of each.

The same works for more categories of choices, and so we multiply the 3 sandwiches, the 3 soups, 4 salads, and 2 drinks to get:

3

×

3

×

4

×

2

=

72


7 0
3 years ago
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