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3 years ago

Find n. 24/48= 3/n n=_____

Mathematics

1 answer:

castortr0y [4]3 years ago

3 0

24/48=3/n
cross multiply
24*n=24n
48*3=144
then divide 24 by 144 to get n=6

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A dartboard has a diameter of 4 inches. What are its radius and circumference? Round to

arlik [135]

Answer: The radius is 2 inches.

The circumference is approximately 12.56 inches.

Step-by-step explanation:

Given : The diameter of a dartboard = 4 inches

Since , radius is half of the diameter.

Therefore, radius of dartboard = (diameter) ÷ 2

= (4 inches ) ÷ 2 = 2 inches

Also, Formula for circumference : $C=2\pi r$ , where r is radius.

Now , Circumference of dartboard = $2(3.14)(2)=12.56\text{ inches}$

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The circumference is approximately 12.56 inches.

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3 years ago

[(2/3+1/9)•1/8+1/4]:(5/16)

Cloud [144]

= (4/9 .1/8 + 1/4): 5/16

= (4/72 + 1/4) : 5/16

= (1/18 + 1/4) : 5/16

= 11/36 : 5/16

= LCM of 16 and 36 is 144 so we have

44/144 : 45/144

= 44:45 Answer

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4 years ago

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irina [24]

Answer:

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3 years ago

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VLD [36.1K]

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Step-by-step explanation:

photo explains?!?

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2 years ago

I’m not sure how to do this

seraphim [82]

$\bf \cfrac{\frac{x+4}{3}+\frac{1}{x}}{5+\frac{15}{x}}\qquad \cfrac{\impliedby \frac{LCD}{3x}}{\impliedby \stackrel{LCD}{x}}\implies \cfrac{\quad \frac{x(x+4)+3(1)}{3x}\quad }{\frac{x(5)+(1)15}{x}}\implies \cfrac{\quad \frac{x^2+4x+3}{3x}\quad }{\frac{5x+15}{x}}$

$\bf \cfrac{x^2+4x+3}{3\underline{x}}\cdot \cfrac{\underline{x}}{5x+15}\implies \cfrac{x^2+4x+3}{3(5x+15)}\implies \cfrac{x^2+4x+3}{15x+45}
\\\\\\
\cfrac{(x+3)(x+1)}{15x+45}\implies \cfrac{\underline{(x+3)}(x+1)}{15\underline{(x+3)}}\implies \cfrac{x+1}{15}$

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3 years ago