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jek_recluse [69]
3 years ago
7

At the corner store, Nico bought 5 pencils for $0.10 each and 3 pens for $0.50 each. He used t to represent the sales tax, in do

llars, that he also paid. He paid a total of $2.12, including tax. Nico wrote this equation to represent what he paid. What errors, if any, did he make? 5(0.10) + 3(0.50) - t = 2.12
Mathematics
2 answers:
tigry1 [53]3 years ago
7 0
He subtracted the tax insted of adding it .
Lesechka [4]3 years ago
5 0

Answer:

He should have added t instead of substracting t

Step-by-step explanation:

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Find the solution of this system of equations<br> 4x - 5y = -12<br> -X + 5y = 18
Natalka [10]

4x - 5y = -12

-x + 5y = 18

Add the equations together:

4x + -x = 3x

-5y + 5y = 0

-12 + 18 = 6

So now you have:

3x = 6

Divide both sides by 3:

X = 2

Now you have the value of x, replace x with 2 in one of the equations and solve for y:

4(2) -5y = -12

8 -5y = -12

Subtract 8 from both sides:

-5y = -20

Divide both sides by -5:

Y = 4

The solution is x = 2 and y = 4 which is written as (2,4)

7 0
3 years ago
Six friends shared 79 trading cards and kept a record of how they did it. What does 13 represent? the answers are- The number of
castortr0y [4]

Answer: The number of trading cards each friend ended up with

Step-by-step explanation:

Given that:

Total Number of trading cards = 79

Number of friends = 6

Number of trading cards each friend got of shared equally :

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= 79 / 6

= 13.166

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Number left : 79 - (13 * 6) = 1

Hence, 13 represents the number of trading cards each friend ended up with

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3 years ago
I need to divide and then write in simplest form 2/5÷1/6
My name is Ann [436]

Answer:

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Step-by-step explanation:

2/5÷1/6 = 2/5 times 6/1 = 12/5, 12÷2 is 6, 5 ÷ 5 is 1, so it's 2/1.

6 0
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Simplify log(16x²) ± 2㏒(1÷×)
sp2606 [1]

Answer: just simplify condense it then your answer will be log(16)

8 0
2 years ago
Expanded form for 48,243. (
Dima020 [189]
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That is one way. You can also do this using exponential form!

Hope that helps

4 0
3 years ago
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