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3 years ago

Kwan said that the product of 5/6 × 2 1/3 is 10/3. how can you tell that his answer is wrong?

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

7 0

Answer:

He is wrong because the correct answer is $\frac{35}{18}$ which is not equal to $\frac{10}{3}$

Step-by-step explanation:

Given expression,

$\frac{5}{6}\times 2\frac{1}{3}$

$=\frac{5}{6}\times \frac{7}{3}$

$=\frac{35}{18}$

Since,

$\frac{35}{18}\neq \frac{10}{3}$

Thus, Kwan's answer is incorrect because he multiply incorrectly.

seropon [69]3 years ago

6 0

5/6 of a number cannot be greater than the number

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What is the common factor to 42 and 70

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Under his cell phone plan, Nathaniel pays a flat cost of $41 per month and $4 per gigabyte. He wants to keep his bill at $45.80

ladessa [460]

Answer:

equation: 41+4x=45.80

answer: x=1.20

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2 years ago

If 100 people drink 1.5 cups of coffee a day and the cost per cup is .40 how much would it cost to provide coffee for the whole

N76 [4]

Answer:

It would cost 15600 to provide coffee for the whole year.

Step-by-step explanation:

Given:

If 100 people drink 1.5 cups of coffee a day and the cost per cup is .40

Now, to find the cost to provide coffee for the whole year if you're place is open 5 days a week.

So, we have the unit rate, and we have to find the cost of 1.5 cup by multiplying 0.40.

1.5 cup of coffee cost $1.5\times 0.40=0.60.$

Thus, 1.5 cup cost 0.60.

If, 100 people drink 1.5 cups.

Then, total cost of 100 people drinking 1.5 cups of coffee = $100\times 0.60=60$

As, place is open 5 days a week.

So, to get the cost of coffee in 5 days of a week we multiply 5 by 60:

$5\times 60\\\\=300.$

Hence, the cost of coffee in a week is 300.

In 1 year there are 52 weeks.

Now, to get the cost for the whole year we multiply 52 by 300:

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Therefore, it would cost 15600 to provide coffee for the whole year.

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3 years ago

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Which of the following expressions is equivalent to 4(m – 16)?

Masteriza [31]

Answer:

4m - 64

Step-by-step explanation:

Solve 4(m - 16)

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3 years ago

Kurt says factors and multiples are

maxonik [38]

Step-by-step Explanation:

Before heading towards the solution, you need to make sure how multiple and factors are related to each other.

The multiple of a number could be obtained by multiply it with another number.

For example, the first five multiples of 12 are 12, 24, 36, 48 and 60

1 X 12 = 12
2 X 12 = 24
3 X 12 = 36
4 X 12 = 48
5 X 12 = 60

Factors are the numbers that are multiplied to get a given number.

For example,

1 X 12 = 12
2 X 12 = 24
3 X 12 = 36

The factors of 12 are 1, 2, 3, 4, 6 and 12.

As division and multiplication can be used to find factors and multiples.

For example a whole number is a multiple of its factors.

Let w = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} be the set of even wholes numbers from 2 to 20.

As 2 is a factor of 20 because 20 ÷ 2 = 4

20 is a multiple of 2 because 2 X 10 = 20

So, in the same way, the equation 8 X 5 = 40 can be used to determine how factors and multiples are related.

Let the equation be

8 X 5 = 40

8 is a factor of 40 because 8 X 5 = 40

40 is a multiple of 8 because 40 ÷ 5 = 8

So, this is how factors and multiples are related to each other.

Keywords: factors, multiples, division, multiplication

Learn more about factors and multiples from brainly.com/question/596356

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2 years ago