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marissa [1.9K]
3 years ago
12

What is the final sum of 3(4+9) = ?

Mathematics
2 answers:
Mandarinka [93]3 years ago
6 0

Answer:

39 is the answer

Step-by-step explanation:

12+27=39

otez555 [7]3 years ago
6 0

Answer: 39

Step-by-step explanation: You have to add what is in the parentheses first

(in this case, 4 and 9)

after you get the sum, you multiply it by whatever is outside of the parentheses

this gives you 13•3 which equals 39.

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- If MML = (11x - 5), mJK = (4x + 26)° and mZMNL = (10x – 12),<br><br><br><br> find mZMNL.
GenaCL600 [577]

Answer:

m∠ MNL = 78º

Step-by-step explanation:

<u>Arcs meassures </u>

mML = (11x - 5)º

mJK = (4x + 26)°

<u>Angle meassure</u>

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______________________

angle measure = average of arcs

m∠MNL  = (mML+ mJK)/2

Replacing

(10x – 12)º =  ((11x - 5)º + (4x + 26)° )/ 2

10x -12 =  (15x + 21 )/2

10x - 7.5x = 10.5 + 12

2.5x = 22.5

x= 9

m∠MNL = (10 x – 12)º

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             = 78º

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