2 years ago

Which one doesn’t belong

Mathematics

2 answers:

Brilliant_brown [7]2 years ago

8 0

Its C my dude hope this helps

barxatty [35]2 years ago

3 0

Answer:

$A. \: does \:belongs \: because \: it's \: a \: line \: graph \:$

$B. \: does \:belongs \: because \: it's \: a \: line \: graph \:$

$C. \: does \:belongs \: because \: it's \: a \: line \: graph \:$

$D. \: does \: not \:belong \: because \: it's \: a \: Scatter \: Plot \:$

Step-by-step explanation:

I believe and Hope my answer is correct.

Hope thai helps! (:

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Simplify by combining like terms: 1.9h + 4.5h + 8

klio [65]

Answer:

14.4h

Step-by-step explanation:

I assumed you meant 8h because 8 isn't a like term.

7 0

2 years ago

Read 2 more answers

Let r3 have the euclidean inner product. let u = (-1, 1, 1) and v = (-7, 6, 15). if ||ku + v||= 7, what is k? give the exact ans

amm1812

Ma $k\mathbf u+\mathbf v=k(-1,1,1)+(-7,6,15)=(-k-7,k+6,k+15)$

Recall that for a vector $\mathbf x\in\mathbb R^n$ , we have $\|\mathbf x\|=\sqrt{\mathbf x\cdot\mathbf x}$ . So we have

$\|k\mathbf u+\mathbf v\|=\sqrt{(k\mathbf u+\mathbf v)(k\mathbf u+\mathbf v)}=7$
$\implies k^2\mathbf u\cdot\mathbf u+2k\mathbf u\cdot\mathbf v+\mathbf v\cdot\mathbf v=49$
$\implies3k^2+56k+261=0$
$\implies k=-9,-\dfrac{29}3$