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Vera_Pavlovna [14]
3 years ago
14

What is m∠D? Enter your answer in the box.

Mathematics
1 answer:
Alex73 [517]3 years ago
3 0

Answer:

D = 32

Step-by-step explanation:

A+ B + E = 180 since they form a triangle

14+ 45 + E = 180

E = 180 -14-45

E =121

E on either triangle is the same since they are vertical angles

C+D+E = 180 since they form a triangle

27+ D + 121 = 180

D = 180-121-27

D =32

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a bag contains 57 coins which are only quarters and dimes the total value of coins is $9.45 how many dimes are in the bag​
Digiron [165]

Answer:

There are 32 dimes and 25 quarters.

Step-by-step explanation:

q + d = 57 or q = 57 - d  

25q + 10d = 945  

substitute first equation into second equation:  

25(57 - d) + 10d = 945  

1425 - 25d + 10d = 945  

-15d = -480  

d = -480/-15 = 32  

using first equation:  

q = 57 - 32 = 25  

check using second equation:  

25(25) + 10(32) = 945 checks

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Answer:

<h2>In a quadrilateral, opposite angles are congruent.</h2>

Step-by-step explanation:

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95 points <br><br> Simplify (4^9/4^3)^5 Show your work for full credit
dexar [7]

Answer:

  • 4^{30}

Step-by-step explanation:

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Answer:

932.8

Step-by-step explanation:

Hope this helps!

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How many ways can Hannah give three of her eight T-shirts to her younger sister?
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If Hannah gives her younger sister 3 shirts, it does not matter what order she hands them to her. No matter the order, it will still be the same group of 3 shirt. Since order is not important this problem can be solved using a combination.

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3 years ago
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