Mathematics: You have the cards numbered 1-10 in front of you.Each time you select a card,it is returned.What is the probability of selecting a 3 and then an even number

You have the cards numbered 1-10 in front of you.Each

Ответ:

kitttimothy55

13.12.2021

$Both \: the \: moon \: and \: earth \: are \: in \: \\ the \: shape \: of \: spheres. \\ Surface\: area \: of \: a \: sphere \: of \: radius \: 'r' \\$

Let d1 be the diameter of the moon and d2 and be the diameter of the earth.Let r1 be the radius of the moon and r2 be the radius of the earth.

$given \: d1 = \frac{1}{4}d2 \\ = 2r1 = \frac{1}{4} ×2r2 \\ =r1 = \frac{1}{4}×r2 \\ Now, \: ratio \: of \: \: their \: surface \: areas \: is: \\ = s1: s2 \\ = r {1}^{2}: r {2}^{2} \\ = {1}^{2 } : {4}^{2 } \\ =1:16$

hope it helps you

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Ответ:

mlyons574

07.04.2020

Mathematics

Step-by-step explanation:

The diagonal cuts the angle into 90/2 = 45 degrees.

4x + 17 = 45

4x + 17 - 17 = 45 - 17

4x = 28

(4x)/4 = 28/4

x = 7

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You have the cards numbered 1-10 in front of you.Each time you select a card,it is returned.What is the probability of selecting a 3 and then an even number

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