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MatroZZZ [7]
3 years ago
7

Extrageti radacina patrata a) 0,(4) b) 28,(4) c) 2,(7) urgennntt dau coroana

Mathematics
1 answer:
Brums [2.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

\sqrt{0}  = 0\\\\\sqrt{28} \\\\=\sqrt{2^2\times\:7}\\\\=\sqrt{2^2}\sqrt{7}\\=2\sqrt{7}\\\\\sqrt{4} \\\\=\sqrt{2^2} \\\\=2\\\\\sqrt{2}  =1.41421\\\\\sqrt{7} =2.64575\dots

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Someone please help me with this asap
Leokris [45]

Answer:

All of these terms are dollar amounts.

Step-by-step explanation:

Here, x + y = 10 (where these numerals represent counts)

(1/2)x + (1/4)y = 4 (where (1/2), (1/4) and 4 are dollar amounts)

Let's eliminate y.  To accomplish this, mult. the 2nd eq'n by-4, obtaining

-2x - y = -16, and then combining this with the 1st equation, as follows:

-2x - y = -16

  x + y = 10

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

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Subbing 6 for x in the first equation, we get y = 4.  This represents the number of pencils he bought.

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5 0
3 years ago
Find the distance between 0,-1 and 3,7
garri49 [273]
The answer is (2,889 mi) hope it helps and have a great day!
7 0
3 years ago
Read 2 more answers
What’s the linear equation for (1,21)(2,33)(3,45)(4,57)
nalin [4]

The linear equation representing the above said pair of points is "y=12x+9"

Step-by-step explanation:

The given set of points are  

x Y

1 21

2 33

3 45

4 57

For finding the linear equation for the given sets of value

We must know the generic form of a linear equation is y=m*x + c

m= slope of the line where y= Δy/Δx  

Δy= change in y value

Δx= change in x value

Thus slope ”m” = 33-21/2-1 = 12

we put slope “m” in the equation which becomes y=12x+c

Now we put any of the set value in the equation

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7 0
2 years ago
What is t÷5-4=9 what is t ??
Sophie [7]
Add 4 to boh sides
t/5+4-4=9+4
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t/5=13
times 5/1 both sides
5t/5=5*13
1t=65

t=65
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3 years ago
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
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