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ehidna [41]
3 years ago
6

Please help i beg you​

Mathematics
1 answer:
Serjik [45]3 years ago
6 0

5a+(a+60)°+(2a+140)° = 360°

5a+a +60+ 2a+ 140 = 360

8a= 360-60-140

8a = 160 ( divide by a 8 on both sides)

a = 20°

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Nana76 [90]

Answer:

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8 0
3 years ago
Select ALL solutions for this equation:<br> 2 + 2 = x - 10
aalyn [17]

Answer:

x = 14

Step-by-step explanation:

4 = x - 10

-x = -10 -4

-x = -14

Therefore; x = 14

4 0
3 years ago
Pls help I've been trying all night I don't get it ​
Bad White [126]

Answer:

x^2 + 12x +36 = (x+6)^2

Step-by-step explanation:

x^{2} + 12x +36\\\\\\Step 1: Find\ factors \ of\ 36\ that \ add \ to \ +12.\\(1, 36)\ , \ ( 2, 18), \ (3, 12), \ (4, 9), \ (6, 6)\\\\Step2. \ From \ the \ pairs \  above \ (6 , 6) \ adds \ to \ +12.\\\\So \ the \ equation \ can\ be \ written \ as \\x^{2} + 6x +6x +36 = (x^{2} + 6x) + (6x + 36)

                          = x(x + 6) + 6(x+6)\\\\=(x+6)(x+6)\\\\=(x+6)^2

4 0
2 years ago
Read 2 more answers
Which graph represents the solution for x2 + x - 12 &gt; 0?
igomit [66]

Answer:it’s c on edge, sorry i’m late but for anyone else who needs help it’s c !!

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Anna has been studying a type of bacteria that triples every month. Originally, there were 4 bacterial cells. She wants to know
bija089 [108]

As per the given information;

Bacteria triples every month.

Originally, there were 4 bacterial cells.

We are suppose to find how many there will be after 15 months.

Hence we can say , the number of bacteria after n month can be given using the exponential growth function

a_n=4*3^n

So number of bacteria after 15 month will be

a_{15}=4*3^{15}

7 0
3 years ago
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