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In a box of 39 buttons 25 have 4 holes 18 are red and 13 have 4 holes and are also red so how many buttons have 4 holes and are not red?
their are a total of 39 14 have no holes at all 25 have 4 holes, 18 of wich are red but only 13 of them have 4 holes so thiers 5 red without holes that leave the other 7 with 4 holes.
What is the formula for pcd dia 100 for 8 holes?
The formula to calculate the Pitch Circle Diameter (PCD) for a given number of holes is: [ \text{PCD} = \frac{d}{\sin\left(\frac{180^\circ}{n}\right)} ] where ( d ) is the distance between holes (or the diameter of the circle on which the holes are located), and ( n ) is the number of holes. For a PCD of 100 mm with 8 holes, you would use this formula to determine the spacing and arrangement of the holes around the circle.
What is the word that means to make holes through?
We can punch or perforate materials to make holes.
What is Four holes and one half as a decimal?
Assuming that you do not mean holes but wholes(!), the answer is 4.5
How many holes are there per square inch in a sieve set?
The size of the holes in a sieve depends on what is the the size of material to be allowed through the holes. A set of sieves (flour sieves, garden riddles, etc) will range from large holes to fine.
