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RUDIKE [14]
3 years ago
11

In how many ways can a teacher seat 5 girls and 5 boys in a row of 10 seats if a boy is seated

Mathematics
1 answer:
sertanlavr [38]3 years ago
3 0

Answer:

3

Step-by-step explanation:

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Yesssssss according to my sister who studies medicine lol
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Rearrange this to make a the subject
stellarik [79]

Answer:

a =  \frac{w + 4 - 3b}{6}

Step-by-step explanation:

w = 3(2a + b) - 4 \\ w  + 4 = 6a + 3b \\ w + 4 - 3b = 6a \\  \frac{w + 4 - 3b}{6}  =  \frac{6a}{6}  \\ a =  \frac{w + 4 - 3b}{6}

Thanks

hope this helps!!

I'd appreciate if you rate my answer and give a thanks.

5 0
4 years ago
Which is Bigger?
igomit [66]
A)
43\%=\frac{43}{100} \\ \\
\frac{24}{60}=\frac{4}{10}=\frac{40}{100} \\ \\
43>40 \Rightarrow \frac{43}{100} > \frac{40}{100} \Rightarrow 43\% > \frac{24}{60}

43% is bigger.

b)
\frac{18}{30}=\frac{6}{10}=\frac{60}{100} \\ \\
0.51=\frac{51}{100} \\ \\
60>51 \Rightarrow \frac{60}{100} > \frac{51}{100} \Rightarrow \frac{18}{30} >0.51

18/30 is bigger.
3 0
4 years ago
Find the first, fourth, and eighth terms of the sequence.<br><br> A(n) = −2 ∙ 2x − 1
Nutka1998 [239]

A(n)=-2\cdot2^{n-1}\\\\\text{Find the first, fourth, and eighth terms}\\\text{It means}\ A(1),\ A(4)\ \text{and}\ A(8).\\\\\text{Substitute}\ n=1,\ n=4\ \text{and}\ n=8\ \text{in}\ A(n):\\\\A(1)=-2\cdot2^{1-1}=-2\cdot2^0=-2\cdot1=-2\\\\A(4)=-2\cdot2^{4-1}=-2\cdot2^3=-2\cdot8=-16\\\\A(8)=-2\cdot2^{8-1}=-2\cdot2^7=-2\cdot128=-256\\\\\boxed{Answer:\ -2,\ -16,\ -256}

5 0
3 years ago
Evaluate -6-(-6) +7+(-4) + (-1).​
frutty [35]

<em>solution</em><em> </em><em>:</em><em>-</em><em>-</em>

  • = -6 + 6 + 7 - 4 - 1

  • = 6 + 7 - 6 - 4 - 1

  • = 13 - 11

  • = 2
3 0
3 years ago
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