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lisabon 2012 [21]
3 years ago
12

Which system of equations below has no solution?

Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0

y = 4x + 5 and y = 4x - 5

timurjin [86]3 years ago
3 0

non but third

we can solve all of them because they are parallel but third isn't.

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The sum of three consecutive odd integers is-219. What is the first number in the set?
Alex73 [517]

Answer:

-75

Step-by-step explanation:

Let us consider the first  odd number to be 'x'.

Thus:

  1. 1st odd number: x
  2. 2nd odd number: x+2
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According to the question, the sum of these three consecutive ODD numbers should be equal to -219

So,

x + x + 2 + x + 4 = -219

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3 0
3 years ago
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Sphinxa [80]

Answer:

68

Step-by-step explanation:

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160 - 92

8 0
3 years ago
What is 645/87 rounded to the nearest integer?
Vlad1618 [11]

Answer:

7

Step-by-step explanation:

Firstly, let us divide the two numbers as so-

645/87=7.41379310345\\

To round a number to the nearest integer, look at the decimal places.

Here we have .41 - The 4 is less than 5, so it cannot round the ones place to 8.

So our answer here is 7.

6 0
3 years ago
What is the value of the expression below when x=5?
snow_lady [41]

Answer:

790

Step-by-step explanation:

You put 5 instead of x and you calculat

6*5^3 +8*5= 750+40=790

6 0
3 years ago
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