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OlgaM077 [116]
3 years ago
13

Please answer the following

Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0
The first part of the answer is 20x+9
Second part is 4a-6b
You might be interested in
Hich expression is equivalent to 21x + 9 - 3x
tiny-mole [99]
(21x-3x)+9
Answer is 18x+9  

hope i helped if did plz mark as brainliest^-^
5 0
3 years ago
What is the value of n in the equation 1/2 (n - 4) - 3 = 3 - (2n + 3)?
Fofino [41]

Answer:

n=2

1/2n-2-3=3-2n-3

1/2n+2n=3+2+3-3

2/1/2n=5

5/2n=5

n=5 multiply 2/5

n=2

7 0
3 years ago
Carmen participated in a read-a-thon.Mr Cole pledged $4.00 per book and gave Carmen $44. How many books did Carmen read?
Morgarella [4.7K]
To do this we will divide d amount of money Mr. Cole gave her to d amount of money she gets per book. den d answer will be d amount of books Carmen read. lets do it:-

44 ÷ 4 = 11
Carmen read 11 books.

CHECK OUR WORK:-

11 × 4 = 44
We were RIGHT!!!!!

So, Carmen read 11 books!!

Hope I helped ya!!!! xD 
3 0
3 years ago
Mr. James borrows money from the bank for a new car. He borrows $10,000 at 3% for 5 years. How much will he pay in interest?
ozzi

Answer:

$1,500

Step-by-step explanation:

I = PRT

I = 10,000 × .03 x 5

I = $1,500

3 0
4 years ago
Mr.Anderson paid $19.18 for a CD cover. This amount includes a tax of 8.5%. What was the cost of the CD cover before tax ?
MrRa [10]
X * 1.085 = 19.18
solve for x

Why is this how you figure it out? well... you have the price of the CD cover and the total is the price of the CD cover with tax. 

Price of the CD cover would be: x * 1 = price of cd cover
Put that tax on there: x * 1.085 = price of cd cover with tax

why .085? move that decimal over two places to the left from the 8.5%
3 0
3 years ago
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