3 years ago

What is the distance between points (-3, -1) and (2, 3)?

Mathematics

2 answers:

OverLord2011 [107]3 years ago

8 0

Answer:

Step-by-step explanation:

decimal form 5.09901951

Tju [1.3M]3 years ago

5 0

Answeer is 6.40
Thanks for the brainliest ;)

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He bought 3 pounds of tomatoes

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klio [65]

Answer:

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Step-by-step explanation:

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[20points][Precal] Find the cross product of -(3/4)V and (1/2)w if v = <-2, 12, -3> and w = <-7, 4, -6>

Lana71 [14]

$\mathbf v=\langle-2,12,-3\rangle=-2\,\vec i+12\,\vec j-3\,\vec k$
$-\dfrac34\mathbf v=\dfrac32\,\vec i-9\,\vec j+\dfrac94\,\vec k$

$\mathbf w=\langle-7,4,-6\rangle=-7\,\vec i+4\,\vec j-6\,\vec k$
$\dfrac12\mathbf w=-\dfrac72\,\vec i+2\,\vec j-3\,\vec k$

$-\dfrac34\mathbf v\times\dfrac12\mathbf w=\begin{vmatrix}\vec i&\vec j&\vec k\\\frac32&-9&\frac94\\-\frac72&2&-3\end{vmatrix}$
$=\left((-9)\times(-3)-\dfrac94\times2\right)\,\vec i-\left(\dfrac32\times(-3)-\dfrac94\times\left(-\dfrac72\right)\right)\,\vec j+\left(\dfrac32\times2-(-9)\times\left(-\dfrac72\right)\right)\,\vec k$
$=\dfrac{45}2\,\vec i-\dfrac{27}8\,\vec j-\dfrac{57}2\,\vec k=\left\langle\dfrac{45}2,-\dfrac{27}8,-\dfrac{57}2\right\rangle$

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3 years ago

The width of a soccer goal is 7 m. how wide is the goal in centimeters ?

Ratling [72]

We know, 1 m = 100 cm
Multiply both sides by 7,
7 m = 100 * 7 = 700 cm

In short, Your Answer would be 700 cm

Hope this helps!

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Convert the fraction to a decimal.

kirza4 [7]

53/100
163/20
5 3/100
8 3/20

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3 years ago

Read 2 more answers