The geometric mean of two numbers x and y is √(xy).

So, if the geometric mean of 3 and a is 9 =>

9 = √(3a)

=> 9^2 = 3a

=> a = 9^2 / 3

a = 81 / 3

a = 27

Answer: the value of a is 27.

4 0

3 years ago

Which answer choice is a solution to the equation 0.5x + 3.5 = 6?

kirill [66]

Answer:

x=5

Step-by-step explanation:

7 0

3 years ago

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There are 3 feet in each yard. Complete the table to show the number of feet in 1, 2, 3, and 4 yards.

MariettaO [177]

Answer:

1 yard = 3 feet

2 yard = 6 feet

3 yard = 9 feet

4 yard = 12 feet

7 0

2 years ago

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