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3 years ago

There are 24 boys and 16 girls in a hall, each holding coins in their hand.

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

5 0

Answer:

Step-by-step explanation:

total=average ×no.

18×40=720 the no. of coins for all children

12×24=288 no. of coins for boys

720-288=432 for all girls

one girl, mean,divide 432 by 16= 27

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Answer:

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Step-by-step explanation:

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3 years ago

the members of senior class are planning a dance. they use the equation s=2r+t/x to determine the total receipts. what is r in t

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Read 2 more answers

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Mariana [72]

The point-slope form:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (-1, 6) and (3, -2). Substitute:

$m=\dfrac{-2-6}{3-(-1)}=\dfrac{-8}{4}=-2\\\\y-6=-2(x-(-1))\\\\y-6=-2(x+1)\qquad\text{use distributive property}\\\\y-6=-2x-2\qquad\text{add 6 to both sides}\\\\y=-2x+4\qquad\text{add 2x to both sides}\\\\2x+y=4$

<h3>Answer:</h3><h3>y - 6 = -2(x + 1) <em>point-slope form</em></h3><h3>y = -2x + 4 <em>slope-intercept form</em></h3><h3>2x + y = 4 <em>standard form</em></h3>

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3 years ago

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Lunna [17]

Answer:

185

Step-by-step explanation:

It seems like you're using the Pythagorean theorem, which would mean that b is equal to $\sqrt{11^2 -8^2}$ , which is equal to $\sqrt{185}$ . The number beneath the radical symbol is <u><em>185</em></u>.

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3 years ago