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Airida [17]
3 years ago
9

Guys help me this is hard​

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Answer:

well 126/9=14 but is the other stuff factor families or something? like whats the question asking

Step-by-step explanation:

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Explain what a positive and negative number means in this situation
jeyben [28]

Answer:

in this situation it would be to subtract

Step-by-step explanation:

7 0
2 years ago
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In triangle ABC, < A = 38° and < B = < C. Find < B.
marusya05 [52]
The answer is 76 your welcome 
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3 years ago
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Is anyone good at this? Please help me!!
enyata [817]
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4 0
3 years ago
Two lighthouses flash their lights every 20 and 30 seconds respectively. given that they flash together at 8 p.m., at what time
VikaD [51]
Do you remember when you were learning about
Least Common Multiple (LCM) ?  And you were
wondering what on Earth you would ever need it for ?

THIS IS IT !

The amount of time after 8 PM when the lights will flash
together again is the LCM of 20 seconds and 30 seconds.
Do you remember how to find it ?

... When 20 is prime-factored, you have  2 · 2 · 5 .

... When 30 is prime-factored, you have  2 · 3 · 5 .

... So the Least Common Multiple of 20 and 30 is  2 · 2 · 3 · 5  =  60 .

The lighthouses will flash together again in 60 seconds after 8 PM.
That'll be  8:01 PM.  
6 0
3 years ago
If y varies directlt with x, and y=12 when x=15, what is the value of x when y=16
djyliett [7]
Y=kx
12=15k
12/15=k
12/15=0.8
16=0.8x
16/0.8=x
16/0.8=20
to check 20*0.8=16
5 0
3 years ago
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