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Ivenika [448]
3 years ago
7

Solve for Y -2x + Y = 3 I need it broken down in steps

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
4 0
Step 1: set up equation 
-2x+y=3
Step 2: add 2x to both sides
-2x+y=3
+2x     +2x
<u>
y=3+2x</u>


Hope this helps :)
vlabodo [156]3 years ago
3 0
Remember we can do anything to an equation as long as you do it to both sides

-2x+y=3
add 2x to both sides
2x-2x+y=3+2x
0+y=2x+3
y=2x+3
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Select the correct answer. The radius of a nitrogen atom is 5. 6 × 10-11 meters, and the radius of a beryllium atom is 1. 12 × 1
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A negative exponent means the number of the exponent divide by the number. The the radius of beryllium atom is larger than the radius of a nitrogen atom by two times.

Given information-

The radius of a nitrogen atom is 5.6\times10^{-11} meters.

The radius of a beryllium atom is 1.12 \times10^{-10} meters

<h3>Negative exponents</h3>

A negative exponent means the number of the exponent divide by the number.

As the radius of the nitrogen atom is 5.6\times10^{-11} meters. Convert it in the power of negative exponent of 10.

Let the radius of the nitrogen is r mm. Thus,

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Now the base of the exponents of both the atoms are same. As the radius of the nitrogen atom is 0.56\times 10^{-10} meters and the radius of the beryllium atom is 1.12 \times10^{-10}. Thus the radius of beryllium atom is larger.

To calculate how many times, the radius of beryllium atom should be divided by the radius of a nitrogen atom. Thus,

=\dfrac{1.12\times10^{-10}}{0.56\times10^{-10}} \\&#10;=2

Thus the the radius of beryllium atom is larger than the radius of a nitrogen atom by two times.

Learn more about the negative exponents here;

https://brainly.in/question/1221452

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