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Flauer [41]
3 years ago
14

GiReady

Mathematics
2 answers:
vladimir2022 [97]3 years ago
7 0

Answer: Decreased by 12 students

Step-by-step explanation:

40-28=12

Nookie1986 [14]3 years ago
7 0

Answer:its 12

Step-by-step explanation:40-28 =12

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What is the solution set of these system5x-2y=17 and 4x-7=13?
MatroZZZ [7]

Answer:

x=5

y=4

Step-by-step explanation:

Step 1:

Let us solve for <em>x</em> using the 4x-7=13 equation by <u>isolating terms containing the variable</u>:

4x-7=13\\4x=20\\\fbox{x=5}

Great! <em>x</em> is 5... let's find <em>y</em>.

Step 2:

Since we know the value of <em>x</em>, we can use what we know to find <em>y</em> using the <u>other equation</u>:

5x-2y=17\\

<em>Given that x=5, we can </em><u><em>replace</em></u><em> x with 5</em>.

5*5-2y=17\\25-2y=17\\2y=8\\\\\fbox{y=4}

<em>I hope this helps! Let me know if you have any questions :)</em>

3 0
2 years ago
What is 2x+y=3 and x+y=3<br> 1.{-1.5,0}<br> 2.{0,-1.5]<br> 3.{0,3}<br> 4.{3,0}
Yakvenalex [24]
The answer would be 3. {0,3}.

Remember: {x,y}

2(0)+3=3
0+3=3

0+3=3
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2 years ago
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Tems11 [23]

  You should be able to set up a proportion between the sides something like (18+x)/x=(56+21)/56

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3 years ago
Determine how triangles WVX and YZX can be shown to be similar.
NeX [460]

Answer:

D

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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