Answer:
7
Step-by-step explanation:
= AC × CB
= ( x + 9 ) 9
144 = 9x + 81
9x = 144 - 81
9x = 63
x = 63 ÷ 9
x = 7
A)
Let X be the food expenditure of a family.
Let the population mean of an expenditure of a family be.
Let the population standard deviation of an expenditure of a family be.
The proportion families spend more than $30 but less than $490 per month on food is,
Answer:
<u>11 feet 2 inches</u>
Step-by-step explanation:
ill add the inches first
11+5+10= 26
26inches= 2ft 2inches
now I add the feet
2+3+4+2=11 feet
<u>11 feet 2 inches</u>
Answer:
I don't know
Step-by-step explanation:
sorry
