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3 years ago

HelpUeowusjeven?!!! i

Mathematics

1 answer:

Oksana_A [137]3 years ago

7 0

The shapes have 3 sides

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Whats the area of a square 4 by 4

MrMuchimi

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In how many ways can 10 people be seated in 10badjacenr seats in a theater

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3,628,800 is the correct answer

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3 years ago

Simplify the expression by combining like terms.

ollegr [7]

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-22d+f

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The total weight of a rock depends on its size and is proportional to its density. In this context, density is the weight per cu

kow [346]

Answer:

$d = \frac{w}{48}$

If $\frac{1}{48} \\$ is constant, say k

Then,

$d = kw$

∴ d ∝ w

Hence, weight is proportional to the density

Step-by-step explanation:

From the question,

Let w denote the weight of the rock in pounds

s denote the size of the rock in cubic inches and

d denote the density of the rock in pounds per cubic inch.

First, we will write the equation connecting w, s, and d.

We get

$density (pounds/inch^{3} ) = \frac{weight(pounds)}{size (inch^{3}) }$

That is,

$d = \frac{w}{s}$

Now, given a 48-cubic-inch rock with weight w pounds, to show the proportional relation between the weight and the density, we will write

$d = \frac{w}{48}$

If $\frac{1}{48} \\$ is constant, say k

Then,

$d = kw$

∴ d ∝ w

Hence, density is proportional to the weight OR weight is proportional to the density

4 0

3 years ago

If q is directly proportional to p and q = 28 when p = 4 (Express q in teams of p.)

k0ka [10]

Answer:

q = 7p

Step-by-step explanation:

given q is directly proportional to p then the equation relating them is

q = kp ← k is the constant of proportion

To find k use the condition q = 28 when p = 4 , then

28 = 4k ( divide both sides by 4 )

7 = k

q = 7p ← equation of proportion

6 0

3 years ago

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