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kolezko [41]
3 years ago
12

In a single throw of two coins,find the probability of getting each of the following:-)

Mathematics
1 answer:
oee [108]3 years ago
7 0

Step-by-step explanation:

1.) two tails :

total no. of outcomes possible is TT,TH,HT,HH

no. of outcomes with TT is 1

p( tails on both) = 1/4

2.) tails at least one:

no. of outcomes with one tails atleast is 3 (TT,th,ht,)

p( atelast one tails) = 3/4

3.) tails on one

no. of outcomes with one tails at most is 2 (th,ht)

p( atmost one tails) is 2/4= 1/2

4. no tails

no. of outcomes with no tails is 1(HH)

p( no tails) = 1/4

hope it's understandable.

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8 0
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Compare the Following Ratios 7to 12 ________ 7/8<br><br> A: &gt;<br> B: &lt;<br> C: =
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3 years ago
Every month, Jim makes $49 less than his best friend Keenan.
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m+49=d ; d-49 = m

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2 years ago
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In the graph below, Point A represents Owen's house, Point B represents David's house and Point C represents the school. Who liv
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• 4 miles

Explanation:

In the graph:

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,

• David's House, B(15,13)

,

• School, C(3,18)

We determine both Owen's and David's distance from the school using the distance formula.

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

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\begin{gathered} AC=\sqrt[]{(3-11)^2+(18-3)^2} \\ =\sqrt[]{(-8)^2+(15)^2} \\ =\sqrt[]{64+225} \\ =\sqrt[]{289} \\ AC=17\text{ miles} \end{gathered}

David's distance from school (BC)

\begin{gathered} BC=\sqrt[]{(3-15)^2+(18-13)^2} \\ =\sqrt[]{(-12)^2+(5)^2} \\ =\sqrt[]{144+25} \\ =\sqrt[]{169} \\ BC=13\text{ miles} \end{gathered}

We see from the calculations that David lives closer to the school, and by 4 miles.

The graph below is attached for further understanding:

5 0
1 year ago
Solve <br><br> 9x-14-2x=5(2x-6)
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3 years ago
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