James has a dog grooming service he charges a flat rate of $50 per month plus $100 per grooming Bradley does not charge a monthl
1 answer:
Answer:
The numbers of grooming visits for which James and Bradly would charge the same amount is 2
Step-by-step explanation:
Let the numbers of grooming visits be x and the charge in dollars be y
Then according to the question :
The amount (dollars) James charge for w visits is
y=10w+50 ------------------------------------------------(1)
The amount (dollars) James charge for w visits is
y=35w -------------------------------------------------------(2)
On equating (1) and (2)
35w = 10w+50
Grouping the like terms on the same side
35w-10w = 50
25w = 50
w = 2
Thus for 2 grooming visits James and Bradly would charge the same amount
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Answer:
We conclude that we must add 4² or 16 to complete the square.
Hence, option C i.e. 16 is the correct answer.
Step-by-step explanation:
We know that the perfect square formula is
<em>(a + b)² = a² + b² + 2ab</em>
Given the equation
Let us add 4² or 16 in the equation
as <em>(a + b)² = a² + b² + 2ab, </em>so
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Therefore, we conclude that we must add 4² or 16 to complete the square.
Hence, option C i.e. 16 is the correct answer.
Answer:
6 ways
Step-by-step explanation:
Given:
Books: Spanish, Maths and History textbooks (1 each)
Required
Determine the number of arrangements
In total, Nathan has 3 books.
The number of arrangements (n) is as follows:
The first book can be lined in 3 ways
The second book can be lined in 2 ways
The third book can be lined in 1 way
So,