Which expression is equivalent to Negative 28 x y + 35 y? 7 y (Negative 4 x y + 5 y) 7 x (negative 4 x + 5 y) 7 x (negative 4 y
2 answers:
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Answers is C
Step by step solution is attached
The diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.
<h3>What is of volume of cylinder?</h3>Volume of cylinder is the amount of quantity, which is obtained by it in the 3 dimensional space.
The volume of the cylinder can be given as,
Here, (r) is the radius of the base of the cylinder and (h) is the height of the cylinder.
Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the diameter of the barrel was.
She needs to know the diameter so that she can build a platform for it to sit on.
The seller told her the volume of the barrel is 6,925pi cubic in and its height is 38 in.
The diameter of the cylinder is twice the radius of it. Thus, the diameter of the cylinder is,
Thus, the diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.
Learn more about the volume of cylinder here;
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Answer:
<u>Option D. 21</u>
Step-by-step explanation:
The question is as shown in the attached figure 1
The Venn diagram representing the problem is the attached figure 2
D ⇒ Dog , C⇒ Cat and P ⇒ parakeet
Let the The families had parakeet only = X
A survey of 260 families show that:
99 had dog
76 had cat
34 had dog and cat
98 had neither a cat nor a dog nor a parakeet
8 had a cat a dog and a parakeet
So,
The families had a dog and a cat only = 34 - 8 = 26
The families had a dog only = 99 - (26 + 8 ) = 65
The families had a cat only = 76 - (26 + 8) = 42
∴ X = 260 - ( 98 + 8 + 26 + 65 + 42 ) = 260 - 239 = 21
So, The families had a parakeet only = 21
<u>The answer is option D</u>
