Answer:
first one and second one
Step-by-step explanation:
nothing change unless it said change by scale factor or something!!!
Answer:
1.83333333333
Step-by-step explanation:
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It means different digits.
W=50 would count as one of the digits.
Now you have to figure out what “XYZ” is.
<span>251×263=66013, which is proof 66013 is not a prime.</span>
Answer:
x = -45, y = -40
Step-by-step explanation:
Based on the first clue, we find out that
x + 5 = y
5x = 6y + 15
We can re-write the first equation to x = y - 5.
Therefore, the second equation can also be written as 5(y - 5) = 6y + 15
This can be simplified to 5y - 25 = 6y + 15
We can subtract 6y from each side, and add 25 to each side;
5y - 6y = 15 + 25
Therefore, -y = 40
Therefore y = -40.
Now let's plug this back into the original equation, to get : x + 5 = -40
x=-45
