3 years ago

If a coin is flipped and then a twenty part spinner is spun how many possible outcomes are in the sample space for the compound

event

Mathematics

1 answer:

boyakko [2]3 years ago

6 0

$|\Omega|=2\cdot20=40$

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The medians $AD$, $BE$, and $CF$ of triangle $ABC$ intersect at the centroid $G$. The line through $G$ that is parallel to $BC$

Flauer [41]

G divides each median in the ratio of 2 to 1 (the longer side goes from G to the angle) triangle AMN is similar to triangle ABC (why?) AMN is a scaled version of ABC (by a factor of ⅔) its area should be scaled by (⅔)^2

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3 years ago

Is 0.034 1/100 of 3.4?

Sphinxa [80]

Yes 0.034 is the correct answer

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Jack and Jill start driving from the same location. Jack drives 30 miles south while Jill drives west. If Jack and Jill are 78 m

arsen [322]

Answer:

72 mles

Step-by-step explanation:

For better understanding, I'll make use of an attachment.

From the attachment,

O represents the start point

$OB = 30$ --- Jack

$AB = 78$ -- Distance between them

Required

Find OA; Jack's distance

To do this, we make use of Pythagoras theorem

$AB^2 = OA^2 + OB^2$

This gives:

$78^2 = OA^2 + 30^2$

$6084 = OA^2 + 900$

Subtract 900 from both sides

$OA^2= 6084 - 900$

$OA^2= 5184$

Take square roots

$OA = \sqrt{5184}$

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<em>Hence, Jill drove 72 miles</em>

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3 years ago

Which line is perpendicular to the line y=2x+3

svlad2 [7]

Answer:

Step-by-step explanation:

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3 years ago

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Help me please. I dont remember this and didn't see itnon my state testing yesterday. This isnt a test, just a study guide.

RideAnS [48]

Answer:

x = 25

Step-by-step explanation:

Assuming Angle A, B and C are angles in a triangle.

∠A + ∠B + ∠C = 180º

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2x - 20 + 120 + x + 5 = 180

3x + 105 = 180

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x = 25

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3 years ago