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2 years ago

The Truth About Antibacterial Soap

Mathematics

2 answers:

Reptile [31]2 years ago

7 0

it is organized in chronological order

Lera25 [3.4K]2 years ago

3 0

Answer:

chronlogical order

the other answer for the other question is they dont wash their hand long enough

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Solve by elimination:

Pie

Answer:

B (5, 13)

Step-by-step explanation:

9x + 4y = 97

9x + 6y = 123

To solve by elimination, we want to eliminate a variable. To do this, we must make one variable cancel out.

First, we can see that both equations have 9x. To cancel out x, we must make one of the 9x's negative. To do this, multiply each term in the equation by -1.

-1(9x + 6y = 123)

-9x - 6y = -123

This is one of your equations. Set it up with your other given equation.

9x + 4y = 97

-9x - 6y = -123

Imagine this is one equation. Since every term is negative, you will be subtracting each term.

9x + 4y = 97

-9x - 6y = -123

___________

0x -2y = -26

-2y = -26

To isolate y further, divide both sides by -2.

y = 13

Now, to find x, plug y back into one of the original equations.

9x + 4(13) = 97

Multiply.

9x + 52 = 97

Subtract.

9x = 45

Divide.

x = 5

Check your answer by plugging both variables into the equation you have not used yet.

-9(5) - 6(13) = -123

-45 - 78 = -123

-123 = -123

Your answer is correct!

(5, 13)

Hope this helps!

6 0

2 years ago

PLEASE HELP FOR BRAINLIEST

tatiyna

Answer:

It is a linear equation
The graph of the equation will show that the y values increase as the x values increase.

Step-by-step explanation:

The pay Michael gets (y) is the amount per paper ($0.40) multiplied by the number of papers (x) and that product added to the daily base pay of $5. Michael's daily pay (in dollars) can be described by ...

y = 5.00 + 0.40x

This is a linear equation with a positive slope (meaning y goes up when x goes up).

6 0

2 years ago

50 is 50% of what number? Plz show work in explanation thanks. Again im in middle school i musta misclicked high school instead

erastovalidia [21]

100

50 is half of 100 and 50% is half.

6 0

2 years ago

Clarissa sells handmade bracelets for each. The graph below shows her profits after expenses.

ser-zykov [4K]