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2 years ago

The radius of a circular park is 120 m. To the nearest meter, what is the

Mathematics

1 answer:

Degger [83]2 years ago

3 0

Answer:

Step-by-step explanation:

circumference = radius*2*3.14 = 753.6

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Find the magnitude of WX for W(-2, 8, -3) and X(1, 4, -1)

zheka24 [161]

The magnitude of WX is $\sqrt{29}$ ⇒ c

Step-by-step explanation:

The magnitude of XY (its length) where,

$X=(x_{1},y_{1},z_{1})$
$Y=(x_{2},y_{2},z_{2})$

is IXYI = $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}+(z_{2}-z_{1})^{2}}$

∵ W = (-2 , 8 , -3)

∵ X = (1 , 4 , -1)

- To find the magnitude of WX use the formula above

∴ $x_{1}$ = -2 and $x_{2}$ = 1

∴ $y_{1}$ = 8 and $y_{2}$ = 4

∴ $z_{1}$ = -3 and $z_{2]$ = -1

- Substitute these values in the rule above

∵ IWXI = $\sqrt{(1--2)^{2}+(4-8)^{2}+(-1--3)^{2}}=\sqrt{9+16+4}$

∴ IWXI = $\sqrt{29}$

The magnitude of WX is $\sqrt{29}$

Learn more:

You can learn more about the position of an object in brainly.com/question/10940255

#LearnwithBrainly

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3 years ago

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P(Red|Heart) when drawing one card out of deck of cards?

Sophie [7]

13/52. There are 13 red hearts in a deck of 52 cards.

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2 years ago

Solve for x. <br><br> 6x + 2 = 14

oksian1 [2.3K]

6x + 2 - 2 = 14 - 2
6x/6 = 12/6
x = 2

8 0

3 years ago

Max has a monthly salary of $1,100 and also earns 7.5% commission on his sales. If Max had $43,000 in sales last month, what wer

gizmo_the_mogwai [7]

I believe the answer is 4325.

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2 years ago

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Can somebody help me with this plz......

adelina 88 [10]

Answer:

He must score 83 in the last test.

Step-by-step explanation:

To get a mean of 80 Terry must score a total of 4*80 = 320 over the 4 tests.

So his score for the last test must be 320 - (71 + 80 + 86)

= 320 - 237

= 83.

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2 years ago