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soldier1979 [14.2K]
4 years ago
7

8×4= (?×7)-(?×3) Can u sove the equation^

Mathematics
2 answers:
Inga [223]4 years ago
5 0
So solve for ?
we use commutative which is a(bc)=(ab)c or also =abc
remember that (? times 7)=1(? times7)=1 times ? times 7=? times 7=7?
and
-(? times 3)=-1(? times 3)=-1 times ? times 3=  -? times 3=-?3=-3?
so we have
8 times 4=7?-3?
7? means 7 times ? so therefor 7?-3?=7 times of ?  -3  times of ?=7-3=4 times of ? so 4?
8 times 4=4?
multiply divide both sides by 4
8=?
Marianna [84]4 years ago
3 0
8*4 = 32

Now, we need to solve this:-

32 = (?*7) - (?*3)
32=8*7 - 8*3
32= 56 - 24
32 = 32

So our equation is:-

8*4 = (8*7) - (8*3)



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4 years ago
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Answer:

y = -0.75x + 9.5

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Equation of a circle is given as :

(x-a)^{2} + (y-b)^2 = r^{2} \\(x-6)^{2} + (y-5)^2 = 4^{2}\\x^{2} - 12x + 36 + y^{2} -10y + 25 = 16\\x^{2} - 12x  + y^{2} -10y + 45 = 0\\

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8 0
3 years ago
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Answer:

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Let the shorter side be x

Then the longer side is x + 1

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The value of perimeter is at most 60 meters. P ≤ 60.

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3 years ago
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Answer:

It would cost <u>15600</u> to provide coffee for the whole year.

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So, we have the unit rate, and we have to find the cost of 1.5 cup by multiplying 0.40.

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So, to get the cost of coffee in 5 days of a week we multiply 5 by 60:

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Now, to get the cost for the whole year we multiply 52 by 300:

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