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ElenaW [278]
2 years ago
5

Does a UPC of 0 41800 48700 3 check? Explain

Mathematics
1 answer:
Tomtit [17]2 years ago
6 0
Ctcigcfi f ivycycyxtxtdddtdtdzdzrztxtxtxgixtzrdt
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what is the perimeter of triangle PQR vertices P(-2, 9), Q(7,-3), and R(-2, -3) in the coordinate plane?
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This is a diffficult question was there a chart
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3 years ago
Solve the system of equations by elimination<br><br> 3x + 5y = 16<br> 2x - y = 2
alina1380 [7]

Answer:

the answer is 2

Step-by-step explanation:

8 0
3 years ago
Why do we use congruence?
NARA [144]

For people to comprehend the structure of their world, congruence is a crucial mathematical concept. Young children's daily interactions with congruence enable them to build innate perceptions of this geometric relationship.

Congruent:

If the size and shape of two triangles are same, they are said to be congruent. Three equal sides and identical angles are shared by two congruent triangles with regard to one another. Corresponding Parts of Congruent Triangles are Congruent is referred to by the theorem CPCTC. According to the CPCTC theorem, whenever two triangles are congruent, then each of their corresponding parts are also congruent. In other words, if two or more triangles are congruent, then their corresponding sides and angles are also congruent or equivalent in size.

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8 0
1 year ago
How do you work out this equation
Gnom [1K]

Answer:

x is equal to negative one, and y is equal to negative four.

Step-by-step explanation:

You can do this by solving one of the equations by either x or y, then substituting it into the other.  Let's solve the second one for y:

2y = 3x - 5\\y = \frac{3x - 5}{2}

Now we'll substitute that into the first equation:

9x - 2y = -1\\9x - 2(\frac{3x - 5}{2}) = -1\\9x - 3x + 5 = -1\\6x + 5 = -1\\6x = -6\\x = -1

So we now know that x is equal to -1.  We can simply substitute that into one of the original equations to find y:

2y = 3x - 5\\2y = 3(-1) - 5\\2y = -3 - 5\\2y = -8\\y = -4

We now know that x is equal to -1, and y is equal to -4.  We can also check our answer by plugging that -4 into the other equation, and see if we still get -1:

9x - 2y = -1\\9x - 2(-4) = -1\\9x + 8 = -1\\9x = -1 - 8\\9x = -9\\x = -1

So we know that our answer is correct.

3 0
3 years ago
Write two expressions to describe the total area of the figure. Then find the area
Leya [2.2K]
Hello!

We have two expressions below.

7(6+2)
2(7)+6(7)

The area is 56 units squared.

I hope this helps!
6 0
3 years ago
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