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Nikolay [14]
3 years ago
13

Why are mathematical proofs important?

Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0
One reason is so the teacher can actually see that your working the problem out

ser-zykov [4K]3 years ago
3 0
To know what we are doing is right i guess i hope tat helps

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กิน
-BARSIC- [3]
It’s A because the hundreds place is 5 the tens is 8 which is one less then 9 and the ones is 9 which is more then 8
5 0
3 years ago
6.24 x 10-5 - 4.091 x 103 =
castortr0y [4]
Is the 10 taking away 5 or was it meant to me 10.5 ?
6 0
3 years ago
Read 2 more answers
What is 2x(x+5)=4 using the quadratic formula
antoniya [11.8K]
X= \frac{-5(+/=) \sqrt{33} }{2}
Or it would be approximately: x≈ 0.37228132, -5.37228132
Hope this helped! ;P
4 0
2 years ago
What is the circumference of a circle with weight of 3 1/8 inches?
MrRissso [65]
A circle can’t weigh any inches just gonna say that now. Assuming you meant “height” of 3.125 inches, then the circumference is C=2(pi)r, where r is 1/2 the height (radius is half of the diameter, this situation the diameter being 3.125 inches.

Circumference would be approximately 9.8174770424681 inches—
Or shortened to 2 decimals it’s approximately
9.82 inches
Or approximately
9.8 inches
Or approximately
10 inches
6 0
3 years ago
Which shows the correct substitution of the values a b and c from the equation -2 equals negative X Plus x squared minus 4 into
kondor19780726 [428]
-2=-x+x square-4
firstly regroup the equation
x square-2x+x-2=0
x square-x-2=0
multiply the first term by the last term.(I.e x square multiply by -2=-2x square)
product of factor = -2x 1
sum of factor= -2x+1(x)= -1
x square -2x+x-2=0
open the bracket:
x(x-2)+1(x-2)=0
x=1 or x=-2
Therefore; x=-1 or x=2


5 0
3 years ago
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