3 years ago

10

Mathematics

1 answer:

Mumz [18]3 years ago

8 0

martemat 20 e7 72gsys y3823 485 u

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When x=12 y=8. find y when x=42

Ahat [919]

Answer:

$\frac{12}{8} = \frac{42}{y} \\ y = \frac{42 \times 8}{12} \\ \boxed{ y = 28}$

<h3>28 is the right answer.</h3>

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3 years ago

What is 7.3 as a fraction

Snezhnost [94]

To write 7.3 as a fraction you have to write 7.3 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
7.3 = 7.3/1 = 73/10

And finally we have:
7.3 as a fraction equals 73/10

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3 years ago

Find the circumference of a circle with diameter of 10 cm.

Olegator [25]

Answer:

Option C, $31.4\ cm$