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3 years ago

Least common multiples of 18, 16,and 20

Mathematics

2 answers:

mario62 [17]3 years ago

8 0

Least common multiples of 18, 16, and 20 is 1,2

rewona [7]3 years ago

5 0

720 is the least common multiple

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suppose y varies directly with x, and y = 8 when x = -6. what direct variation equation relates x and y? what is the value of y

Kisachek [45]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=8\\
x=-6
\end{cases}\implies 8=k(-6)\implies \cfrac{8}{-6}=k
\\\\\\
-\cfrac{4}{3}=k\qquad therefore\qquad \boxed{y=-\cfrac{4}{3}x}
\\\\\\
\textit{when x = -2, what is \underline{y}?}\qquad y=-\cfrac{4}{3}(-2)$

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3 years ago

Find the circumference of the circle whose radius is 3inches.

Margarita [4]

Answer:

A 6pi inches

Step-by-step explanation:

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3 years ago

The sum of two numbers is −102. One number is 62 less than the other. Find the numbers.

Allisa [31]

Answer:

x = -20

y = -62

Step-by-step explanation:

Suppose x and y two number and such that :

their sum = -102
and y is 62 less than x

Which means :

x + y = -102

x - y = 62

then

x + y = -102

x = y + 62

then

x + y = (y+62) + y = -102

then

2y + 62 = -102

then

2y = -164

then

y = -164/2 = -82

therefore

x = y + 62 = -82 + 62 = -20

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3 years ago

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Arte-miy333 [17]

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Step-by-step explanation:

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3 years ago

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kaheart [24]

Answer:

I would say that they are similar to each other

Step-by-step explanation:

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3 years ago