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solniwko [45]
3 years ago
6

The expression 3(2x + 7) − 4(−3x + 5) is equal (=) to

Mathematics
2 answers:
Westkost [7]3 years ago
8 0

Answer:

-6x+26

Step-by-step explanation:

6x+21-12x+5

-6x+26

Anni [7]3 years ago
4 0

Answer:

3(2x+7) - 4 (-3x+5) = 18x+1

Step-by-step explanation:

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HELP PLEASE!!!!!!!!​
eimsori [14]

Answer:

8) B. 70

9)C. 6 1/4

10) D. 2,000

hope this helped

3 0
3 years ago
Find the value of x. Round to the nearest degree.<br> 13<br> *<br> 20<br> Not drawn to scale<br> to
Svetach [21]

Answer:

Hence option C is correct...hope this helps you:)

4 0
2 years ago
If Pentagon ABCDE was dilated to create Pentagon A'B'C'DE', what rule was used?
svetlana [45]

Answer:

<em>B</em> (x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)

Step-by-step explanation:

<u>Dilations</u>

Given a point A(x,y) and a scale factor k the dilated image of A, called A' is calculated as A'=(kx,ky), assuming the same scale factor is applied in both axes.

The pentagon ABCDE was dilated to create pentagon A'B'C'D'E'. To find the dilaton rule used, we must find two clear points where the coordinates of both axes can be easily read from the graph.

Point C(-2,0) maps to C'(-5,0). This gives us the scale factor for the x-axis of -5/(-2)= 5/2.

The y-coordinate of E is 2 and the y-coordinate of E' is 5. This gives us the same scale factor for the y-axis of 5/2.

Thus, the rule to dilate the pentagon is:

B \mathbf{(x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)}

5 0
3 years ago
Please help
Rudiy27
It would be C since a scale factor of 2 makes the original A coordinate of (3,3) times 2 therefore the new coordinates being (6,6)
5 0
3 years ago
What is another solution of the equation<br><br> x + y = 7?
White raven [17]
X=3, y=4
x=-2, y=9
Set x equal to anything, then isolate y to get the other number.
5 0
3 years ago
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