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trapecia [35]
3 years ago
9

HELP PLZ I’m struggling with this

Mathematics
1 answer:
Mars2501 [29]3 years ago
8 0

Answer:

270 per year so 6 years is 1620 and add that with 6000=7620

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Se considera numerele naturale x=4 si y=6. scrieti raportul numerelor x si y
dimaraw [331]

Answer:

x/y = 4/6 = 2/3

Step-by-step explanation:

4 0
2 years ago
Urgent!! Math help!!
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29

Step-by-step explanation:

20^2+21^2=841

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Select all the statements that are correct rational approximation of irrational numbers?
eimsori [14]

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Find the vertex of this parabola: y=-4x^2+8x-12
tatiyna
<span>The vertex of the parabola is the highest or lowest point of the graph. 

</span><span>y=-4x^2+8x-12 = -4 (x^2 -2x +3) 

Lets work with this now: </span>x^2 -2x +3

x^2 -2x +3 -> what is the closeset perfect square? 
x^2 -2x +1 = (x-1)^2
So
x^2 -2x +3 = (x-1)^2 +2

Replacing to original 
y=-4x^2+8x-12 = -4 (x^2 -2x +3) = -4 ((x-1)^2 +2) = -4 (x-1)^2 - 8

The min or max point is where the squared part = 0
So when x=1 , y= -4*0-8=-8

This will be the max of the parabola as there is - for the highest factor (-4x^2)

The max: x=1, y= -8
4 0
3 years ago
Read 2 more answers
If a coin is tossed and a number cube is rolled what is the probability of getting heads and the number cube shows 3?
Maurinko [17]

Answer:

1/12

Step-by-step explanation:

Since the probability of getting heads is 1/2 and the probability of the number cube getting three is 1/6, we multiply.

For every coin flip, there is a 1/6 chance of getting a three. But since there is another condition, we have to multiply. Multiplying both fractions make 1/12.

4 0
3 years ago
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