In 2000, there were 7689 weekly newspapers in the United States. This s about 94% of the number of weekly newspapers in the Unit
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Natalie will need 11 quarts of water to bake 22 cakes for her bakery.
Step-by-step explanation:
Step 1:
Natalie needs 16 fluid ounces to make a cake.
If she wants to bake x number of cakes, she will need 16x ounces of water.
To determine the amount of water needed to bake 22 cakes, we multiply the amount of water needed to bake a single cake by 22.
Step 2:
The water needed to bake 22 cakes in ounces
So 352 ounces of water in needed and as 32 ounces is equal to 1 quart.
352 ounces equals 11 quarts of water. So 11 quarts of water are needed to bake 22 cakes.
Solution :
We have to prove that (De-Morgan's law)
Let then
and
and so and
.
Thus, and so
Hence, .........(1)
Now we will show that
Let ⇒
Thus x is present neither in the set A nor in the set B, so by definition of the union of the sets, by definition of the complement.
and
Therefore, and we have
.............(2)
From (1) and (2),
Hence proved.