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nevsk [136]
3 years ago
6

t;m" t=\frac{ms}{m+n}" alt="solve for "m" t=\frac{ms}{m+n}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
dalvyx [7]3 years ago
4 0

Answer:

\boxed{\sf \ \ \ m = -\dfrac{tn}{t-s} \ \ \ }

Step-by-step explanation:

Hello,

let s assume that m+n is different from 0

we have this equation and we need to find m as a function of t, s, and n

t=\dfrac{ms}{m+n}

<=>

(m+n)*t=ms\\\\ tm+tn=sm\\ (t-s)m = -tn\\ m = -\dfrac{tn}{t-s}

for t-s different from 0, so t different from s

hope this helps

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Answer:

$3

Step-by-step explanation:

Given data

Let the cost of drinks be x

and the cost of hotdogs be y

so

3x+4y=15-------1

also

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solve 1 and 2

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-3x+y= 10.5

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divide both sides by 3

y= 4.5/3

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Put y= 1.5 in 1

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Answer:

(a) The probability of the intersection of events "man" and "yes" is 0.55.

(b) The probability of the intersection of events "no" and "man" is 0.10.

(c) The probability of the union of events "woman" or "no" is 0.45.

Step-by-step explanation:

The information provided is:

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Men       275   50     325

Women  150   25      175

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Thus, the probability of the intersection of events "man" and "yes" is 0.55.

(b)

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Thus, the probability of the intersection of events "no" and "man" is 0.10.

(c)

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P(W\cup N)=P(W)+P(N)-P(W\cap N)=\frac{175}{500}+\frac{75}{500}-\frac{25}{500}=0.45

Thus, the probability of the union of events "woman" or "no" is 0.45.

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