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aalyn [17]
2 years ago
13

Helppppp pleaseeee c: for brainliest

Mathematics
1 answer:
Alina [70]2 years ago
4 0

Answer:

I have no idea how to answer this... :P

<3

Sorry, I am quite a dummy.

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200 kg of brass is melted down and cast into ornamental frogs, each weight 3/20kg. How many frogs are made?
Savatey [412]

Answer:

1,333 frogs

Step-by-step explanation:

okay so we know that mass remains conserved no matter where you are.

same here ^^

if the total mass of brass is 200 kg

the total mass of the new frogs formed from it when put together will be the same :)

and if there were n such frogs formed

we have,

total mass = n × mass of each frog

200 = n × 3/ 20

n = 4000/ 3

so it becomes something like 1,333.33

that is nearly 1,333 frogs can be made out of 200 kg of brass each weighing 3/ 20kg (the last ones a bit less to make upto 200kg)

5 0
3 years ago
Why do the probability of an event and the probability of its complement add up to 1
Ad libitum [116K]
<span>the probability of an event and the probability of its complement add up to 1 because the total events are the even it self and its compliment, so its probability equal to 1 because these are all the possible events that will occur. for example a coin toss, an event head will happen 0.5, and its complement is tails which will also happens 0.5</span>
5 0
3 years ago
Solve it plz 29x &lt; 38x + 18
storchak [24]

Answer:

x= -2

Step-by-step explanation:

The first thing I did was isolate the x's on one side.  I subtracted 38x from both sides.  This gives me:

-9x=18.  

Now i divide both sides by -9.  Giving me x=-2

5 0
3 years ago
Simplify the following -1/2 + 3 1/3
ZanzabumX [31]

Answer:

59/6 =9.83333

Simplify 31/3

Step-by-step explanation:

I'm sure it's 31/3 so check just in case

4 0
3 years ago
Which point is a solution for this system of inequalities?<br> y &gt; -x<br> y &lt; 2x
Alika [10]
X  > 0 and -x < y <span>< 2x There you go, it is infinite applying to those rules.</span>
4 0
3 years ago
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