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Vlad [161]
3 years ago
6

Please help me figure this out and pls explain to me how to do this I’m so confused

Mathematics
1 answer:
trapecia [35]3 years ago
7 0
Im doin the same stuff and can’t figure it out
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Find the circumference and the area of a circle with radius <br> 6yd.
Dima020 [189]
Circumference: 37.7 yards
Area: 113.1 yards^2
4 0
3 years ago
Prove that x 2 + y2 - 1 is irreducible in q[ x, y].
weqwewe [10]
Suppose that the polynomial x^2+y^2-1 is not irreducible. 
It means that there exists two fractions such that :
(\frac{p}{q})^2+( \frac{s}{t} )^2 -1=0\\\text{rearranging the above formula we get:}\\p^2t^2=q^2(t^2-s^2)\\\text{since q and p are primes each other, we deduce that }\\\text{q divide t meaning that we can write }t=a\times t\text{ for an integer a}\\\text{rearranging again the formula and using our finding we get:}\\q^2s^2=a^2q^2(q^2-p^2)\\\text{Same argument as above, we deduce that q divide s.}
We found that q divide t and q divide s, but s and t are supposed to be prime each other. It is a contradiction. 
The polynomial x^2+y^2-1 is then irreducible in q[x,y] 
6 0
4 years ago
I need help ASAP, find the area of the trapezoid below
Nata [24]

Answer:

28.

Step-by-step explanation:

Area = 1/2 ( 6 + 8) * 4

= 7 * 4

= 28.

3 0
3 years ago
I need to factor this equation
Trava [24]
5d^2-18d-35=5d^2-25d+7d-35=5d(d-5)+7(d-5)=(d-5)(5d+7)
5 0
3 years ago
Find the values of x for which the denominator is equal to zero for y=3x+6/x^2-5x+6
lilavasa [31]

Answer:

x = 2

and

x = 3

Step-by-step explanation:

The function given is:

y=\frac{3x+6}{x^2-5x+6}

In this fraction, the bottom part is the denominator. We need to set it equal to 0 and solve for 2 values of x.

x^2-5x+6=0\\x^2-3x-2x+6=0\\x(x-3)-2(x-3)=0\\(x-2)(x-3)=0\\x=2,3

This is middle term factorization process. Hence the 2 solutions (roots) of the denominator is:

x = 2, 3

3 0
3 years ago
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