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Ludmilka [50]
3 years ago
11

Antoinette solves the linear equation 3(x-3)+2x+9=2x+2(x-1)

Mathematics
1 answer:
xeze [42]3 years ago
8 0
Hope this worked :3

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Write an expression for the difference of p and 4
const2013 [10]

Answer:

p - 4

Step-by-step explanation:

It is like saying 7 - 4, but with a variable.

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3 years ago
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Solve step by step.<br> 7x+4(4x-14)=59
ziro4ka [17]

Answer:

x = 5

Step-by-step explanation:

7x+16x-56=59

23x -56 = 5 9

2 3 x - 5 6 + 5 6 = 5 9 + 5 6

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0.6 (n+10)=3.6<br> What's the answer
Anika [276]

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4 years ago
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Prove that the quadrilateral with vertices (2,5) (4,8) (7,6) and (5,3) is a rectangel
alina1380 [7]

Answer: Line slopes:

m1= 3/2 defined by points (5,3) and (7,6)

m2= -2/3 defined by points (7,6) and (4,8)

m3 = 3/2 defined by points (4,8) and (2,5)

m4 = -2/3 defined by points (2,5) and (5,3)

All comply the orthogonal slopes rule (90º)

Step-by-step explanation:

As those 4 point define a polygon, to check is that polygon is a rectangle, you need to compare the slopes of the lines defined by the 4 points and check that accomplish the following rule:

m1 = -(1/m2). this shows that the slopes are intersected in 90º angle.

5 0
4 years ago
Which doubles fact helps you solve 5+6=11? Circle the number sentence.
Iteru [2.4K]

Answer:

5 + 5 = 10

Step-by-step explanation:

If you know that 5 + 5 = 10, you can solve 5 + 6 = 11.  You are adding one more to the addends (adding 6 instead of adding 5), so you add one more to the sum (11 instead of 10).

6 0
3 years ago
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