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faust18 [17]
1 year ago
11

Is there no integer that has a reciprocal that’s is an integer

Mathematics
2 answers:
choli [55]1 year ago
8 0
The answer is the opposite integers which means they are negative
IRINA_888 [86]1 year ago
3 0

Answer:

Yes! 0 is an integer with no reciprocal.

Step-by-step explanation:

A number's reciprocal is what you can multiply it by to make 1. For example, the reciprocal of 2 is 1/2. 2*1/2 is 1. However, 0 cannot multiply by anything to make 1.

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What is the value of xin the diagram?<br><br> A. 9<br> B. 8<br> C. 7<br> D. 6
RoseWind [281]

Answer:

7

Step-by-step explanation:

The ratio of the similar triangles is

14       49

---- = ------

2          x

Using cross products

14x = 2*49

14x = 98

Divide by 14

14x/14 = 98/7

x =7

7 0
3 years ago
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Allisa [31]

the answer is x=-1/3

7 0
2 years ago
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kow [346]

Answer:

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3 years ago
How many words can be formed by using the W,X,Y,Z if repetitions is not allowed?
Setler [38]

Answer:

24

Step-by-step explanation:

What you have here is a permutation, seeing as each element can only be used once.

We have 4 letters initially, so we can choose any 1 as our first letter. We have 4 choices for our first letter

However, once we choose our first letter, we can't use it anymore, so, for our second letter, we can only choose from the remaining 3 letters.

Furthermore, once we choose our second letter, we can only choose our 3rd letter from the remaining two letters we didn't choose yet.

Finally, our last letter will always be the one we didn't choose the last 3 times. So there is only one choice here.

Going off of this, we have four choices for the 1st letter, three choices for the 2nd letter, two choices for the 3rd letter, and one choice for the 4th letter

The way to calculate how many permutations we have without repetition is using factorials

N!

Where N is the number of elements you have.

In this case, it would be 4!

4! is 4 * 3 * 2 * 1

Which equals 24

If you notice, each number in 4! is the number of options we have for each choice. 4, then 3, and so on

5 0
3 years ago
.Sammie paid $249.99 for a game system and then bought two equally-priced games. If she spent a total of $339.97, what is the pr
bulgar [2K]

Answer: $44.99

Step-by-step explanation:

Let P = equal prices games

The equation would be

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Subtract 249.99 from each side

2p=339.97

Divide by two and you got the answer.

6 0
2 years ago
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