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inn [45]
2 years ago
8

Please help me. justify your answers!​

Mathematics
2 answers:
azamat2 years ago
7 0

Answer:

g. True

h. False

i. False

Step-by-step explanation:

<em>g.</em>

\frac{1}{14} is half of \frac{1}{7}

This would be true because half of a number can be found by multiplying by \frac{1}{2}

If you multiplied \frac{1}{7} * \frac{1}{2}

The numerator is 1 * 1 which is 1

And then the denominator is 7 * 2 which is 14

That would give you \frac{1}{14}

<em>h.</em>

The products of two reciprocals is 0

This is not true

Reason being, reciprocals are just the number flipped. If you times the number by itself, you don't get 0, you get 1.

Ex: \frac{2}{8}

Its reciprocal is \frac{8}{2}

So multiply them together

\frac{2}{8}* \frac{8}{2}

2 * 8 = 16

8 * 2 = 16

\frac{16}{16} = 1

<em>i.</em>

A whole number does not have a reciprocal

This is incorrect. If you think about it, a whole number is just the number, over 1

Ex: \frac{6}{1}

This is still a whole number even though its written in fraction form because if you divide 6 by 1, your still going to get 6.

If you an write it as a fraction, it has a reciprocal.

The reciprocal in this case would be \frac{1}{6}

I hope this helps, don't be afraid to reach out with any further questions!

laila [671]2 years ago
4 0

Answer:

T, F, F

Step-by-step explanation:

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In which number does the digit 2 have a value that is ten times as great as the value of the digit 2 in the number 135,284?
Valentin [98]

Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

First and foremost, we should note that the value of the digit 2 in the number 135,284 is 200. Therefore, the value that is ten times as great as the value of the digit 2 in the number 135,284 would be:

= 10 × 200

= 2000

Therefore, the 2 must be in the thousands place. This can be seen in numbers such as:

172748.

6 0
3 years ago
In GeoTown, there are 210 teenagers that own a tablet. This is at least 4/5 of all teenagers that live in GeoTown. What is the m
hoa [83]
252, 210 divided by 5 = 42, 42 x 5 = 210 + 42= 252
7 0
3 years ago
1kg= 2.2 pounds<br> Change 44 pounds in kg
Lyrx [107]
<u><em>Answer:</em></u>
44 pounds = 20 kg

<u><em>Explanation:</em></u>
<u>We are given that:</u>
1 kg = 2.2 pounds

To convert 44 pounds into kg, all we have to do is <u>cross multiplication</u> as follows:
1 kg .................> 2.2 pounds
?? kg .................> 44 pounds

<u>Now, we solve as follows:</u>
4 kg = \frac{44*1}{2.2} = 20 pounds

Hope this helps :)
4 0
3 years ago
At the parents evening the ratio of mums to dads was 3:2. Out of 500 appointments how many were with mums?
guajiro [1.7K]

Answer:

300

Step-by-step explanation:

Sum the parts of the ratio : 3 + 2 = 5 parts

Divide the number of appointments by 5 to find the value of one part of the ratio, that is

\frac{500}{5} = 100 ← value of 1 part of the ratio

The mums consisted of 3 parts, hence

3 × 100 = 300 ← appointments with mums

3 0
3 years ago
How to solve 18 divided by 4464
DedPeter [7]

Answer:

18 \div 4464

Step-by-step explanation:

248

4 0
3 years ago
Read 2 more answers
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