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Travka [436]
3 years ago
10

Simplify the expression 7 y + 3 x + 3 - 2y + 6

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

3x+5y+9

Step-by-step explanation:

Let's simplify step-by-step.

7y+3x+3+-2y+6

Combine like terms.

= (3x) + (7y+-2y) + (3+6)

=3x+5y+9

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A(-1,2) B(3,1) C(1,-4) To the new coordinated A'(-2,4) B'(6,2) C'(2,-8) what was the scale factor?
kicyunya [14]

Answer:

Step-by-step explanation:

A(-1, 2)  ==> A'(-2, 4)

B(3,1) ==> B'(6,2)

C(1,-4) ==> C'(2,-8)

Based on the results of each set, the scale factor is 2

A(-1*2, 2*2)=  A'(-2, 4)

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Solve for j. -1j+1&gt;2<br> Please help.
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Find the surface area Of the figure. 9 cm 1 cm Insert Answer 5 cm 5 cm 1 cm <br>​
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8 0
2 years ago
In a race in which eleven automobiles are entered and there are no ties, in how many ways can the first three finishers come in?
viva [34]

Answer:

990 ways

Step-by-step explanation:

The total number of automobiles we have is 11.

Now, what this means is that for the first position , we shall be selecting 1 out of 11 automobiles, this can be done in 11 ways( 11C1 = 11!/(11-1)!1! = 11!/10!1! = 11 ways)

For the second position, since we have the first position already, the number of ways we can select the second position is selecting 1 out of available 10 and that can be done in 10 ways(10C1 ways = 10!9!1! = 10 ways)

For the third position, we have 9 automobiles and we want to select 1, this can be done in 9 ways(9C1 ways = 9!/8!1! = 9 ways)

Thus, the total number of ways the first three finishers come in = 11 * 10 * 9 = 990 ways

8 0
3 years ago
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