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zaharov [31]
3 years ago
12

3. If the sum of interior angle measures of polygon is 3420 degrees, how many sides does it have

Mathematics
1 answer:
tester [92]3 years ago
3 0

Answer:

Step-by-step explanation:

4

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How do I figure this out?
Lelechka [254]

Answer:

shoulda woulda coulda been B

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Guys help me please.<br> How to solve it?
pentagon [3]
I don’t have a calculator right now but a triangle always adds up to 180 degrees so yeah
7 0
3 years ago
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Select the correct answer from the drop-down menu.
lidiya [134]

Answer:

6y² - 20y + 6

Step-by-step explanation:

Use FOIL method

(3y - 1)(y-3) = 3y*y + 3y*(-3) + (-1)*y + (-1)*(-3)

                 = 3y²- 9y - y + 3    {add the like terms}

                = 3y² - 10y + 3

2(3y - 1)(y - 3) = 2 ( 3y² - 10y + 3)

                      = 2*3y² - 2*10y + 2*3

                      = 6y² - 20y + 6

6 0
3 years ago
Your brother is 1313 your age. Your sister is 6 years older than your brother. Your sister is 10 years old. Write and solve an e
il63 [147K]

There seems to be a typo. You wrote 1313, but I'm assuming you meant to say the fraction 1/3. If this assumption is correct, then continue with the rest of the solution. If the assumption is not correct, then ignore what I wrote below and please provide clarification of what the "1313" should represent. Thank you.

----------------

B = your brother's age

S = your sister's age

Y = your age

All of these ages are current present day ages.

---------------

"your brother is 1/3 your age" so B = (1/3)Y or B = Y/3.

"Your sister is 6 years older than your brother" so S = B+6

"Your sister is 10 years old" so S = 10.

---------------

S = B+6

B+6 = S

B+6 = 10 ... plug in S = 10

B+6-6 = 10-6 ... subtract 6 from both sides

B = 4

Your brother is 4 years old.

---------------

B = Y/3

Y/3 = B

Y/3 = 4 .... plug in B = 4

3(Y/3) = 3*4 ... multiply both sides by 3

Y = 12

<h3>Answer: Your age is 12 years old.</h3>

note: This answer hinges on assumption that the "1313" should be "1/3".

6 0
3 years ago
Please Help ASAP!!!
Kay [80]
My answer is D rotation
4 0
2 years ago
Read 2 more answers
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