2 years ago

1.) You decide to order strands of LED lights for a party. Amazon charges

Mathematics

1 answer:

Vikki [24]2 years ago

6 0

Answer:

Step-by-step explanation:

56.50-7=49.50

49.50divided by 4.50=11

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P=b+4a+c, solve for b

scoray [572]

First subtract the C to move it to the other side

c-P=b+4a

Then subtract the 4a as well

4a-c-p=b

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A baker, in 70 minutes, iced 40 cupcakes and, in 49 minutes, iced 28 cupcakes. What is the constant of proportionality?

Zinaida [17]

Answer:

$\frac{4}{7}$

Step-by-step explanation:

The constant of proportionality is the slope of the line joining the two points

(70,40) and (49,28).

Recall the slope formula:

$m = \frac{ y_2 - y_1 }{ x_2 - x_1}$

We substitute the point to get:

$m = \frac{28 - 40}{49 - 70} = \frac{ - 12}{ - 21} = \frac{4}{7}$

<u>Alternatively</u>:

A proportional relation is given by

$y = kx$

where k is the constant of proportionality.

Using any point, we substitute and solve for k.

$40 = 70k$

$k = \frac{40}{70} = \frac{4}{7}$

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The answer to the question is 42ft.

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3 years ago

Please help, I need to solve for m. a=f/m

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iogann1982 [59]

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