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givi [52]
3 years ago
10

There are______Pairs of integers satisfying a÷b = -2​

Mathematics
2 answers:
ivann1987 [24]3 years ago
6 0

Answer:

all \: positive \: integers  \: in cluding \: 1

so I dont really know how many

Step-by-step explanation:

eg

\frac{ - 2}{1}  \\  \frac{ - 4}{2}  \\  \frac{6}{ - 3}  \\  =  - 2

they are all equal to negative 2

aleksandr82 [10.1K]3 years ago
4 0

Answer:

There are only 1  

Pairs of integers satisfying a÷b = -2​

Step-by-step explanation:

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Answer: Choice B) {3, 5, sqrt(34)}

=====================================

Explanation:

We can only have a right triangle if and only if a^2+b^2 = c^2 is a true equation. The 'c' is the longest side, aka hypotenuse. The legs 'a' and 'b' can be in any order you want.

-----------

For choice A,

a = 2

b = 3

c = sqrt(10)

So,

a^2+b^2 = 2^2+3^2 = 4+9 = 13

but

c^2 = (sqrt(10))^2 = 10

which is not equal to 13 from above. Cross choice A off the list.

-----------

Checking choice B

a = 3

b = 5

c = sqrt(34)

Square each equation

a^2 = 3^2 = 9

b^2 = 5^2 = 25

c^2 = (sqrt(34))^2 = 34

We can see that

a^2+b^2 = 9+25 = 34

which is exactly equal to c^2 above. This confirms the answer.

-----------

Let's check choice C

a = 5, b = 8, c = 12

a^2 = 25, b^2 = 64, c^2 = 144

So,

a^2+b^2 = c^2

25+64 = 144

89 = 144

which is a false equation allowing us to cross choice C off the list.

7 0
3 years ago
Put the fraction in least to greatest 1/5, 5/5 ,4/5
konstantin123 [22]

Answer:

1/5, 4/5, 5/5

Step-by-step explanation:

1/5 is 20%

4/5 is 80%

5/5 is 100%

8 0
3 years ago
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Mars2501 [29]

Answer:

$43.48

Step-by-step explanation:

58.89x.30=17.68

58.89-17.68=41.21

41.21x.055=2.27

41.21+2.27= $43.48

4 0
3 years ago
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Suppose that the weights of 5400 Labrador retrievers in the US is distributed normally with a mean of 62.5lb and a standard devi
swat32
I have the same question! have you figured it out ??
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3 years ago
Solve the system using substitution:<br> y = -6x + 7<br><br> 3x – 2y = 16<br><br> helppp
bearhunter [10]

Answer:

x=-6 y=-1

Step-by-step explanation:

// Solve equation [2] for the variable  y  

 

 [2]    y = -x - 7

// Plug this in for variable  y  in equation [1]

  [1]    3x - 2•(-x -7) = -16

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// Solve equation [1] for the variable  x  

  [1]    5x = - 30  

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// By now we know this much :

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// Use the  x  value to solve for  y  

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Solution :

{x,y} = {-6,-1}

7 0
3 years ago
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