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seropon [69]
3 years ago
15

Please help! What’s the error in line 1 ?

Mathematics
1 answer:
sveticcg [70]3 years ago
6 0

Answer:

When you add variables with exponents, you do not add the exponents together.

The error -> y^2+2y^2=3y^4

In this case, they have added the exponent 2+2=4.

However, you do not add it. Instead, the answer should be 3y^2

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Given:<br> DBC = RST<br><br> Prove:<br> ABC &gt; RST
masya89 [10]

Answer:

<h3><ABC  >  <DBC.</h3>

Step-by-step explanation:

Given < DBC = < RST and we need to prove < ABC is greater than <RST.

First given statement:

< DBC = < RST

Reason: Given.

Second given statement :

<ABC = <DBC+  <ABD.

Reason: Angle addition theorem.

<em>Note: < ABC is the sum of angles <DBC and  <ABD and we have < DBC = < RST. So it's an obvious thing that the sum of angles <DBC and  <ABD is always greater than <RST.</em>

Also,  <ABC is greater than <DBC.

Therefore, correct option for third statement is :

<h3><ABC  >  <DBC.</h3>
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3 years ago
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Answer:

32 $

Step-by-step explanation:

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Answer:

third choice, 5(x+2y-3)

Step-by-step explanation:

multiply every item in the parentheses by 5.

8 0
2 years ago
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If a 20 in. by 30 in. window has a wooden frame 4 inches wide surrounding it, what is the total area of the window and frame?
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