3 years ago

From place value relationships the 4s in 344 is?

Mathematics

1 answer:

stiks02 [169]3 years ago

8 0

The first 4 is forty, the second 4 is four. Both of them together are fortyfour (44)

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3 years ago

The value of y varies directly with x, and y=3 when x=9 find y when x = 21

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Step-by-step explanation:

Step 1) plug in 3 for y and 9 for x in the direct variation formula, which is y = kx

3 = k(9)

Step 2) Solve for k

3 = k(9) (Divide by 9 on both sides)

3/9 = k (Now simplify 3/9)

1/3 = k. So k = 1/3

*just FYI: “k” is the constant of variation.

Step 3) use the equation y = kx and plug in 1/3 for k

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Step 4) using the equation y = 1/3x, plug in 21 for x.

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y = 7. So that’s you’re answer! When x=21, y=7 because 7 is 1/3 of 21!

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ANSWER

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EXPLANATION

We want to find the greatest common factor of

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The prime factorizations are;

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and

$5 {x}^{4} {y}^{2} = 5 \times {x}^{4} \times {y}^{2}$

The product of the least powers of the common factors is the greatest common factor.

$= {x}^{2} y$

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