Answer: 5
List out the numbers from 1 to 50. Then go through that list and circle any numbers that have 9 in them. Those numbers are:
9, 19, 29, 39, 49
So there are 5 houses with 9s painted
Answer:
Length of other board 
metres
Step-by-step explanation:
Given: Length of board = 
metres
Length of board was divided into two.
Length of one piece = 
metres
Let 
= length of the other board
Length of the other board = Length of board - Length of one piece
So, 
Thus, length of the other board metres
Answer:
8.04672 kilometers
1 mile = 1.06 km
5 miles = 8.04 ( or 8.04672)
Answer:
f(x) and g(x) are closed under multiplication because when multiplied, the result will be a polynomial.
Step-by-step explanation:
The set of all polynomials is <em>closed</em> under addition, subtraction, and <em>multiplication</em>, because performing any of these operations on a pair of polynomials will give a polynomial result.
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<em>Comment on the question</em>
The wording is a bit strange, because f(x) and g(x) are elements of a set (of polynomials), so cannot be said to be "closed." "Closed" is a property of a set with respect to some function, it is not a property of an element of the set.
Answer: His car is slowing down .
Step-by-step explanation:
If there is a reduction in speed, it means his car is slowing down and may be running out of fuel.
