3 years ago

If 90 containers of candy hearts cost $2.70 what is the constant of proportionality

Mathematics

1 answer:

WINSTONCH [101]3 years ago

6 0

Answer:

33.3 hope this helps

Step-by-step explanation:

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267+21 = 288
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the answer is 32 people will ride on each bus

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A linear equation in the form of y=mx+b

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Answer:

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Step-by-step explanation:

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Mr Garland writes this expression on the board 3/4÷ 2 1/2 expression he ask his students to write a word problem that could be s

ale4655 [162]

Answer:

Answer in explanation

Step-by-step explanation:

Here, we want to write a word problem that could be solved using the expression above.

An example is below;

How many 2 1/2 kg bag of cement can be found in a total of 3/4 kg bag of cement?

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3 years ago

A) x = -2<br> B) y =2<br> C) y= -2

LenKa [72]

Answer:

Step-by-step explanation:

This is a positive parabola so it opens upwards. The equation for the directrix of this parabola is y = k - p. k is the second number in the vertex of the parabola which is (0, 0), but we need to solve for p.

The form that the parabola is currently in is

$y=a(x-h)^2+k$ so that means that $a=\frac{1}{8}$ . We can use that to solve for p in the formula

$p=\frac{1}{4a}$ so

$p=\frac{1}{4(\frac{1}{8}) }$ which simplifies to

$p=\frac{1}{\frac{1}{2} }$ which gives us that

p = 2. Now to find the directrix:

y = k - p becomes

y = 0 - 2 so

y = -2, choice A.

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3 years ago