Answer:
Step-by-step explanation:
to use distributive property
you have to put the 4 inside the paranthese and multiply
4a+20 is your answer
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Answer: 9
Explanation
This is because to find the area of a square you multiply base times height. In a square these lengths are the same.
The square root of 81 is 9.
Answer:
the first one, x, is (n-6)/4
Step-by-step explanation:
x+(x+1)+(x+2)+(x+3)=n
4x+6=n
4x=n-6
x=(n-6)/4
Answer: .
Step-by-step explanation:
Total amount remaining = Initial amount in the card-( Cost per cup × (Number of cups) )
Each cup of coffee costs $1.50 and after buying 4 cups of coffee, the card had a $9 remaining balance.
i.e. 9 = Initial amount in card - (1.50 × 4)
⇒ 9 = Initial amount in card - (6)
⇒ Initial amount in card = 9+-6 =15
⇒ Initial amount in card = $15
Let A be the amount money remaining on the card after buying x cups of coffee.
So, A = 15 - 4x
Hence, the required equation is .