Answer:
The Greatest Common Factor (GCF) for 56 and 84, notation CGF(56,84), is 28.
Step-by-step explanation:
The factors of 56 are 1,2,4,7,8,14,28,56;
The factors of 84 are 1,2,3,4,6,7,12,14,21,28,42,84.
So, as we can see, the Greatest Common Factor or Divisor is 28, because it is the greatest number that divides evenly into all of them.
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The first given equation is:
4y + 1 = x .......> equation I
The second given equation is:
2x = 5y .......> equation II
Substitute with equation I in equation II to get the value of y as follows:
2x = 5y
2(4y+1) = 5y
8y + 2 = 5y
8y - 5y = -2
3y = -2
y = -2/3
Substitute with the value of y in equation I to get the value of x as follows:
x = 4y + 1
x = 4(-2/3) + 1
x = -5/3
Based on the above calculations:
x = -5/3
y = -2/3
Namely, if 800 is the 100%, what is 160 in percentage of it?
solve for "x"
Answer:
hour hand = 7.5 x 2 for the diameter. C = 2(pi)(15) = approx. 94 centimeters. Minute hand = 9.5 x 2 = 19, C = 2(pi)(19) = approx. 119 centimeters
Step-by-step explanation:
