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stepan [7]
3 years ago
15

In a complete sentence, write down a method you could use to determine if an equation is written in the correct way.

Mathematics
1 answer:
Sergio039 [100]3 years ago
3 0

An equation is written in a correct way if the equation is balanced. If you want to find out if the equation is balanced, you have to count how many molecules of each element is present and then just balance the equation on the left side and the right side.

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2 years ago
XYZ has coordinates X(2, 3), Y(1,4), and Z(8,9). A translation maps X to X'(4,7). What are the coordinates for Y' and Z' for thi
Rashid [163]

Answer:

The coordinates are Y'(x,y) = (3, 8) and Z'(x,y) = (10, 13).

Step-by-step explanation:

First, we have to derive an expression for translation under the assumption that each point of XYZ experiments the same translation. Vectorially speaking, translation from X to X' is defined by:

X'(x,y) = X(x,y) + T(x,y) (1)

Where T(x,y) is the vector translation.

If we know that X(x,y) = (2,3) and X'(x,y) = (4,7), then the vector translation is:

T(x,y) = X'(x,y)-X(x,y)

T(x,y) = (4,7) - (2,3)

T(x,y) = (2, 4)

Then, we determine the coordinates for Y' and Z':

Y'(x,y) = Y(x,y) + T(x,y)

Y'(x,y) = (1,4) + (2,4)

Y'(x,y) = (3, 8)

Z'(x,y) = Z(x,y) + T(x,y)

Z'(x,y) =(8,9) + (2,4)

Z'(x,y) = (10, 13)

The coordinates are Y'(x,y) = (3, 8) and Z'(x,y) = (10, 13).

7 0
2 years ago
Simplify<br> (X+4)+(2x+3)
vfiekz [6]

Answer:

3x + 7

Step-by-step explanation:

<u>Step 1:  Distribute the plus</u>

(x + 4) + (2x + 3)

x + 4 + 2x + 3

<u>Step 2:  Combine like terms</u>

x <u>+ 4</u> + 2x <u>+ 3</u>

<em>3x + 7</em>

<em />

Answer:  3x + 7

<u>If needed solve</u>

3x + 7 - 7 = 0 - 7

3x / 3 = -7 / 3

<em>x = -7/3</em>

8 0
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In this problem, how would I find the value of Z ?
BabaBlast [244]

Answer:

z = 30

Step-by-step explanation:

WX and VU are congruent

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subtract z from both sides (z + 10 = 45)

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the answer is z = 30

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How much do you think i bench press
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Answer:

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