Answer:
B) 1153000
Step-by-step explanation:
Given
See attachment
Required
Number of households without computer in 2009
From the attachment, we have:
--- survey
--- proportion without computer
So, the actual number is:




<em>Hence: (B) is correct</em>
Answer:
y = 3
Step-by-step explanation:
The 2 right triangles inside the right triangle are similar, then ratios of corresponding sides are equal, that is
=
( cross- multiply )
y² = 63 ( take the square root of both sides )
y =
= 3
900 ÷ 72 = 12.5 minutes
Thus the correct answer is option A .
Answer: The answer is 8
Step-by-step explanation: Took the test and got 100