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Anarel [89]
3 years ago
9

A box contains 9 identical glass spheres that are used to make snow globes.

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0
Uhmmm B I pretty sure
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The circumference of Earth at the equator is about 40,074 kilometers. Find the diameter of Earth to the nearest kilometer.
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For every 1 litre of water used to make medicine, 200ml of sucrose and 300ml of saline solution are used. Express the amount of
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3 years ago
Bill and George go target shooting together. Both shoot at atarget at the same time. Suppose Bill hits the target withprobabilit
german

Answer: (a) \frac{2}{9}       (b) \frac{6}{41}

Step-by-step explanation:

(a) P( Bill hitting the target) = 0.7        P( Bill not hitting the target) = 0.3

    P( George hitting the target) = 0.4     P(George not hitting the target) = 0.6

Now the chances that exactly one shot hit the target is = 0.7 x 0.6 + 0.4 x 0.3

                                                                                            = 0.54

Chances that George hit the target is = 0.4 x 0.3 = 0.12

So given that exactly one shot hit the target, probability that it was George's shot = \frac{0.12}{0.54} = \frac{2}{9} .

(b) The numerator in the second part would be the same as of (a) part which is 0.12.

The change in the denominator will be that now we know that the target is hit so now in denominator we include the chance of both hitting the target at same time that is 0.4 x 0.7 and the rest of the equation is same as above i.e.

Given that the target is hit,probability that George hit it =                                                 \frac{0.4\times 0.3}{0.7\times 0.6 +0.4\times 0.3+0.4\times 0.7}  = = \frac{6}{41}                                                                        

                                                                                           

6 0
3 years ago
X=5 then x + 6 <br><br> Pls help
serious [3.7K]

Answer:

11

Step-by-step explanation:

5+6 11

7 0
3 years ago
Read 2 more answers
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