3 years ago

Find the LCM of 4 and 9 A. 9 B. 35 C. 72 D. none of the above

Mathematics

2 answers:

Vitek1552 [10]3 years ago

7 0

B is the answer becuase it’s 35 and that should be correct

Alenkinab [10]3 years ago

7 0

Answer:

neither, its 36 actually

Step-by-step explanation:

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Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.

Grace [21]

$\dfrac{n^2+n+1}{n-1}=\dfrac{(n-1)^2+3(n-1)+3}{n-1}=n-2+\dfrac3{n-1}$

The remainder term $\dfrac3{n-1}$ will never vanish, and will always be rational as long as the denominator is not 1, 3, or -3.

$n-1=1\implies n=2$
$n-1=3\implies n=4$
$n-1=-3\implies n=-2$

7 0

3 years ago

Help plzzzzzzzzzzzzzzzzz

bixtya [17]

Answer:

3 StartRoot 2 EndRoot + 2 StartRoot 5 EndRoot units

Step-by-step explanation:

we know that

The isosceles trapezoid has :

Two parallel sides not equal in length called its bases (KL and NM)

Two non-parallel sides equal in length (LM and NK)

$NK=\sqrt{5}\ units$