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expeople1 [14]
3 years ago
15

A certain​ country's postal service currently uses 6​-digit zip codes in most areas. how many zip codes are possible if there ar

e no restrictions on the digits​ used? how many would be possible if the first number could not be 0​?
Mathematics
1 answer:
almond37 [142]3 years ago
6 0
If any digit can be 0 to 9 with no restrictions, the number of possible zip codes is ...
  10×10×10×10×10×10 = 10⁶ = 1,000,000.
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Answer:

$12s - $25

Step-by-step explanation:

Given that:

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What’s the answers?...
tia_tia [17]

Hence, the values of x, y and z are as follows:

x=10

y=5

z=2

Further explanation:

When two triangles are congruent, then their respective sides will also be congruent or equal

As it is given that

ΔABC≅ΔDFE

Which means that

EF = BC

ED=AC

FD=AB

Now,

EF=BC\\Putting\ the\ values\\x+15=2x+5\\x-2x=5-15\\-x=-10\\x=10\\AND\\FD=AB\\Putting\ the\ values\\4y=8y-20\\4y-8y=-20\\-4y=-20\\\frac{-4y}{-4}=\frac{-20}{-4}\\y=5\\AND\\ED=AC\\10z-5=3z+9\\10z-3z=9+5\\7z=14\\\frac{7z}{7}=\frac{14}{7}\\z=2

Hence, the values of x, y and z are as follows:

x=10

y=5

z=2

Keywords: Similar triangles, Congruent Triangles

Learn more about congruent triangles at:

  • brainly.com/question/4924817
  • brainly.com/question/5720422

#LearnwithBrainly

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