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Nezavi [6.7K]
3 years ago
6

Noon to 3:05 elapsed time

Mathematics
1 answer:
GrogVix [38]3 years ago
6 0
Noon is 12, I'm guessing you mean both of these at am, or both at pm. 12-3 is 3 hours, but there's 5 extra, so the elapsed time would be 3:05.
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Hello is it anyone up here that can help me with my question please
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7 0
3 years ago
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Leto [7]

11. brother = ???  

???- 12 = 14

14+12=26

brother is 26.

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6 0
2 years ago
Which expression has the same value as the one below?
9966 [12]

Which expression has the same value as the one below?

i dont kown cause i cant see the choices

7 0
3 years ago
Can someone please help? :)
Digiron [165]
( -3,4 ) let me know if you need an extension
7 0
3 years ago
Read 2 more answers
What is one of the solutions to the following system of equations?
Amanda [17]

Answer:

(8,-1)

Step-by-step explanation:

Given :   x^{2} +y^{2} =65

               x+y=7

To Find: solution of given system of equations.

Solution:

Equation a :   x^{2} +y^{2} =65

Equation b :  x+y=7

Substitute the value of y from equation b in equation a

y from equation b : y = 7-x

Now substitute value of y in equation a

Thus equation a becomes:

 x^{2} +(7-x)^{2} =65

x^{2} +49+x^{2}-14x =65

2x^{2} -14x =65-49

x^{2} -7x -8=0

x^{2} -8x+x -8=0

x(x-8)+1(x-8)=0

(x+1)(x-8)=0

⇒ x= -1 and x = 8

Now substitute values of x  in equation b to obtains values of y

⇒ x+y=7

for x = -1

⇒ -1+y=7

⇒ y=7+1

⇒ y=8

Thus (x,y)=(-1,8)

For x =8

⇒ 8+y=7

⇒ y=7-8

⇒ y=-1

Thus (x,y)=(8,-1)

Hence Option A is the correct solution .


6 0
3 years ago
Read 2 more answers
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