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Alexus [3.1K]
3 years ago
9

Three hundred new ones cost $2100. what would be the cost of 120 new ones​

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
5 0

Answer:

840

Step-by-step explanation:

120 is 40% of 300, and 840 is 40% of 2100 is 840.

Lynna [10]3 years ago
4 0

Answer:

840

Step-by-step explanation:

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How does reflecting or rotating a figure change the interior angles of the figure?
Vadim26 [7]

Answer:

The interior angles will remain the same.


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Arun’s restaurant bill is $58, and he wants to leave the waiter an 18 percent tip. What will Arun’s total bill be?
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Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.
Artyom0805 [142]

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C

Step-by-step explanation:

Y = K*X

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8 0
3 years ago
How many solutions are there to the following system of equations? 3x-9y=0 -x+3y=-3 A. 0 B. 1 C. Infinitely many
Fed [463]
A signle system of linear equations has infinitely many solutions.
Two identical systems of linear equations have infinitely many solutions.
Two systems of linear equations has just one solution.
Two systems of <em>parallel</em> linear equations will has no solutions.

We have two systems of linear equations.

Let's see if they are parallel.
Parallel lines have the same slope.
We'll see if they do by converting to slope-intercept form.
(this will also let us know if they are identical)

1st Eqn.
3x - 9y = 0
Keep y on the left, x and the constant on the right...
-9y = -3x + 0
Divide by the y coefficient.
y = 1/3x + 0

2nd Eqn.
-x + 3y = -3
Keep y on the left, x and the constant on the right...
3y = x - 3
Divide by the y coefficient.
y = 1/3x - 3

As you can see, the two equations have the same slope! (1/3)
Because of this, they are parallel.
And they are not identical because the y-intercepts are different.

There are no solutions to this system of equations.

7 0
3 years ago
Read 2 more answers
Please help asap thanks
QveST [7]

Answer:

All functions are relations

Step-by-step explanation:

4 0
3 years ago
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