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WARRIOR [948]
2 years ago
10

If something cost2.99$ what is the total cost with taxes

Mathematics
1 answer:
butalik [34]2 years ago
6 0

Without a lot more information, nobody can say. Every city, state, and county
can have its own taxes.  They may be at a different rate from other cities, states,
and counties, and they may apply to different items.


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PLEASE HELP 20 POINTS<br> solve the system of equations y=-5x-7 and -4x-3y=-1 by substitution.
Ainat [17]

Answer:

Solution: x = -2; y = 3 or (-2, 3)

Step-by-step explanation:

<u>Equation 1:</u>  y = -5x - 7  

<u>Equation 2:</u> -4x - 3y = -1

Substitute the value of y in Equation 1 into the Equation 2:

-4x - 3(-5x - 7)  = -1

-4x +15x + 21 = -1

Combine like terms:

11x + 21 =  - 1

Subtract 21 from both sides:

11x + 21 - 21 =  - 1 - 21

11x = -22

Divide both sides by 11 to solve for x:

11x/11 = -22/11

x = -2

Now that we have the value for x, substitute x = 2 into Equation 2 to solve for y:

-4x - 3y = -1

-4(-2) - 3y = -1

8 - 3y = -1

Subtract 8 from both sides:

8 - 8 - 3y = -1 - 8

-3y = -9

Divide both sides by -3 to solve for y:

-3y/-3 = -9/-3

y = 3

Therefore, the solution to the given systems of linear equations is:

x = -2; y = 3 or (-2, 3)

Please mark my answers as the Brainliest if you find this helpful :)

7 0
2 years ago
Which expression is equivalent to 3x-4+2(2+4x)
adell [148]
First distribute the 2(2+4x)

3x-4+4+8x

then just combine like terms.

8+11x

therefore

3x-4+2(2+4x)=8+11x<span />
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2 years ago
A square sandbox has sides that are 10 feet long. What is the sandbox's area?
Ainat [17]

Answer:

0.0929

Step-by-step explanation:

thats the answer

4 0
2 years ago
Much appriciated if helping​
Goryan [66]

Answer:

i think it is 3

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Write as a decimal 0.068%
Goryan [66]
0.068\% =0.00068
8 0
3 years ago
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