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3 years ago

Q es pentagono. matematicas

Mathematics

2 answers:

Snezhnost [94]3 years ago

7 0

Pentagono Es Un,forma que teinie 5 lados

Alex17521 [72]3 years ago

5 0

Un pentágono es un paralelogramo cinco caras

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Solve for e<br><br>9e-7=7e-11<br><br>e=?

e-lub [12.9K]

Answer:

-2

Step-by-step explanation:

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3 years ago

In the expression 2(10x) + 15y, x represents the number of hours Nina works in a week at a clothing store and y represents the n

ale4655 [162]

Answer:

The statement which is true in the choices is the third item in the choices such as "Nina makes 20x dollars at the clothing store each week". It was clearly stated in the given that x represent the total number of hours she worked in a week. This statement made the other items in the choices wrong.

Step-by-step explanation:

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Use 1/2ab sin C formula pls

Harman [31]

Step-by-step explanation:

$area = \frac{1}{2} a.b \sin(C) \\ from \:cosine \: rule \\ {c}^{2} = {a}^{2} + {b}^{2} - 2a.b \cos(C) \\ 36 = 144 + 81 - (2 \times 12 \times 9) \cos(C) \\ 189 = 216 \cos(C) \\ \cos(C) = 0.875 \\ C = \cos {}^{ - 1} (0.875) \\ C = 28.96 \degree \\ area = \frac{1}{2} \times 144 \times 9 \times \sin(28.96 \degree) \\ area = 313.8 \: sq \: units$

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3 years ago

I'm having trouble with this problem

shepuryov [24]

Answer:

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3 years ago

Please solve 7(b+2) = 49

Inessa05 [86]

Answer: b=5

Step-by-step explanation:

7(b+2)=49

7b + 14= 49

7b = 49-14

7b= 35

b=35/7

b=5

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3 years ago

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