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KatRina [158]
3 years ago
10

What is 2 1/5 + 1 1/5

Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer:

3.4

Step-by-step explanation:

divide it all into a calculator

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Is the square number of 32 a whole number?​
Aneli [31]
No it’s not the square root of 32 is 5.65685424949
4 0
3 years ago
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A number is chosen uniformly at random from among the positive integers less than $10^8$. Given that the sum of the digits of th
Reil [10]

Answer:

 

If the sum of the digits of a number is divisible by 9, then that number is divisible by 9. An..... sorry if this does not help :(

Step-by-step explanation:

3 0
2 years ago
Determine the written description of the complement of the given event. When 13 computers are shipped​, at least one of them is
julsineya [31]

Answer:

A. None of them are defective

True that's equivalent since none defective means 0 defective

Step-by-step explanation:

For this case we have a total of 13 computers and we define the event:

E= "At least one of them is defective"

When we say at last one means that can be 1,2,3,4,5,6,7,8,9,10,11,12 or 13

The complement for this case is E' ="None of them is defective"

Let's analyze one by one the possible options:

A. None of them are defective

True that's equivalent since none defective means 0 defective

B. None of them are free of defects

False thats note equivalent since that means all have defects and that's not the complement.

C. More than one of them are free of defects

False we are interested on the complement and on this case 1 or more defective is not the complement for this case.

D. All of them are defective

False the complement is defined as non of them defective and for this case is not the correct way.

6 0
3 years ago
Find the product of 2 1/4 × 3/5 ​
exis [7]
27/20x hope this helped
6 0
3 years ago
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Find the solution of the system of equations.<br> −5x+5y=-10<br> 6x+5y=1
pickupchik [31]

Answer:

Step-by-step explanation:

Since you have

+

5

y

in one equation and

−

5

y

in the other equation, you can add both equations to cancel out the y terms and solve for x.

−

6

x

+

5

x

=

−

x

5

y

−

5

y

=

0

1

+

10

=

11

therefore

−

x

=

11

multiplying both sides by -1:

x

=

−

11

plugging this back into the first equation:

−

6

(

−

11

)

+

5

y

=

1

66

+

5

y

=

1

subtracting 66 from both sides:

5

y

=

−

65

divide both sides by 5:

y

=

−

13

putting the x-values and y-values into one point gives:

(

−

11

,

−

13

)

as the solution

4 0
2 years ago
Read 2 more answers
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