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pickupchik [31]

2 years ago

12

Lucy is knitting a blanket and needs to buy some more yarn. At her local craft store, 2 skeins of yarn cost 57 and 8 skeins of y

arn cost $28. What is the constant of
proportionality in this direct variation?
a. 7/2
b. 2/7
c. 7
d. 2

1 answer:

prisoha [69]2 years ago

5 0

Answer: it’s A 7/2 i just took this

Step-by-step explanation:

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yea I don't understand either kid, it's upside down.

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3 years ago

How can i convert 4/9 into a decimal

rosijanka [135]

Answer:

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2 years ago

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scoundrel [369]

Answer:

The remainder.

Step-by-step explanation:

I hope this helps.

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2 years ago

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Zarrin [17]

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5 0

2 years ago

Mozart's Music Store rents trombones for $34 a month. Bach's Music Store rents trombones for $30 per month plus a yearly fee of

jeka94

Answer:

Step-by-step explanation:

Let $M(x)$ be the cost of renting from Mozart's Music Store for $x$ years, and $B(x)$ be the cost of renting from Bach's Music Store for $x$ years.

From the problem statement, we can come up with the following equations:

$M(x) = 34(12x)$

$B(x) = 30(12x) + 48x$

Plugging in $x = 9$ for each equation, we can get the answer:

$M(9) = 34(12 * 9)$

$M(9) = 34(108)$

$M(9) = 3672$

$B(9) = 30(12 * 9) + 48(9)$

$B(9) = 30(108) + 432$

$B(9) = 3240 + 432$

$B(9) = 3672$

From this, we can see that the value is equal for both stores.

4 0

2 years ago